diff --git a/BUILD b/BUILD
deleted file mode 100644
index e69de29..0000000
--- a/BUILD
+++ /dev/null
diff --git a/BUILD.bazel b/BUILD.bazel
new file mode 100644
index 0000000..28e0699
--- /dev/null
+++ b/BUILD.bazel
@@ -0,0 +1,16 @@
+#
+# Licensed to the Apache Software Foundation (ASF) under one or more
+# contributor license agreements.  See the NOTICE file distributed with
+# this work for additional information regarding copyright ownership.
+# The ASF licenses this file to You under the Apache License, Version 2.0
+# (the "License"); you may not use this file except in compliance with
+# the License.  You may obtain a copy of the License at
+# 
+#     http://www.apache.org/licenses/LICENSE-2.0
+# 
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+#
diff --git a/api/BUILD.bazel b/api/BUILD.bazel
index 8693427..b7eb594 100644
--- a/api/BUILD.bazel
+++ b/api/BUILD.bazel
@@ -1,3 +1,19 @@
+#
+# Licensed to the Apache Software Foundation (ASF) under one or more
+# contributor license agreements.  See the NOTICE file distributed with
+# this work for additional information regarding copyright ownership.
+# The ASF licenses this file to You under the Apache License, Version 2.0
+# (the "License"); you may not use this file except in compliance with
+# the License.  You may obtain a copy of the License at
+# 
+#     http://www.apache.org/licenses/LICENSE-2.0
+# 
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+#
 load("@rules_cc//cc:defs.bzl", "cc_library")
 
 cc_library(
diff --git a/api/rocketmq/AdminServer.h b/api/rocketmq/AdminServer.h
index afd5dee..11b9259 100644
--- a/api/rocketmq/AdminServer.h
+++ b/api/rocketmq/AdminServer.h
@@ -1,3 +1,19 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements.  See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You under the Apache License, Version 2.0
+ * (the "License"); you may not use this file except in compliance with
+ * the License.  You may obtain a copy of the License at
+ * 
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ * 
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
 #pragma once
 
 #include "State.h"
diff --git a/api/rocketmq/AsyncCallback.h b/api/rocketmq/AsyncCallback.h
index 782b90c..0e7add7 100644
--- a/api/rocketmq/AsyncCallback.h
+++ b/api/rocketmq/AsyncCallback.h
@@ -1,3 +1,19 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements.  See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You under the Apache License, Version 2.0
+ * (the "License"); you may not use this file except in compliance with
+ * the License.  You may obtain a copy of the License at
+ * 
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ * 
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
 #pragma once
 
 #include <system_error>
diff --git a/api/rocketmq/ConsumeType.h b/api/rocketmq/ConsumeType.h
index d0337dc..9c11a14 100644
--- a/api/rocketmq/ConsumeType.h
+++ b/api/rocketmq/ConsumeType.h
@@ -1,3 +1,19 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements.  See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You under the Apache License, Version 2.0
+ * (the "License"); you may not use this file except in compliance with
+ * the License.  You may obtain a copy of the License at
+ * 
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ * 
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
 #pragma once
 
 #include <chrono>
diff --git a/api/rocketmq/Credentials.h b/api/rocketmq/Credentials.h
index aba5fc7..27c895d 100644
--- a/api/rocketmq/Credentials.h
+++ b/api/rocketmq/Credentials.h
@@ -1,3 +1,19 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements.  See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You under the Apache License, Version 2.0
+ * (the "License"); you may not use this file except in compliance with
+ * the License.  You may obtain a copy of the License at
+ * 
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ * 
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
 #pragma once
 
 #include <chrono>
diff --git a/api/rocketmq/CredentialsProvider.h b/api/rocketmq/CredentialsProvider.h
index 0a61126..ffed508 100644
--- a/api/rocketmq/CredentialsProvider.h
+++ b/api/rocketmq/CredentialsProvider.h
@@ -1,3 +1,19 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements.  See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You under the Apache License, Version 2.0
+ * (the "License"); you may not use this file except in compliance with
+ * the License.  You may obtain a copy of the License at
+ * 
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ * 
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
 #pragma once
 
 #include <chrono>
diff --git a/api/rocketmq/DefaultMQProducer.h b/api/rocketmq/DefaultMQProducer.h
index 4110fd2..8c80f92 100644
--- a/api/rocketmq/DefaultMQProducer.h
+++ b/api/rocketmq/DefaultMQProducer.h
@@ -1,3 +1,19 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements.  See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You under the Apache License, Version 2.0
+ * (the "License"); you may not use this file except in compliance with
+ * the License.  You may obtain a copy of the License at
+ * 
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ * 
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
 #pragma once
 
 #include <chrono>
diff --git a/api/rocketmq/DefaultMQPullConsumer.h b/api/rocketmq/DefaultMQPullConsumer.h
index 9b7d3ef..959acd0 100644
--- a/api/rocketmq/DefaultMQPullConsumer.h
+++ b/api/rocketmq/DefaultMQPullConsumer.h
@@ -1,3 +1,19 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements.  See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You under the Apache License, Version 2.0
+ * (the "License"); you may not use this file except in compliance with
+ * the License.  You may obtain a copy of the License at
+ * 
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ * 
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
 #pragma once
 
 #include <chrono>
diff --git a/api/rocketmq/DefaultMQPushConsumer.h b/api/rocketmq/DefaultMQPushConsumer.h
index 28a4798..ced50bc 100644
--- a/api/rocketmq/DefaultMQPushConsumer.h
+++ b/api/rocketmq/DefaultMQPushConsumer.h
@@ -1,3 +1,19 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements.  See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You under the Apache License, Version 2.0
+ * (the "License"); you may not use this file except in compliance with
+ * the License.  You may obtain a copy of the License at
+ * 
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ * 
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
 #pragma once
 
 #include <memory>
diff --git a/api/rocketmq/ErrorCategory.h b/api/rocketmq/ErrorCategory.h
index fe92816..432e660 100644
--- a/api/rocketmq/ErrorCategory.h
+++ b/api/rocketmq/ErrorCategory.h
@@ -1,3 +1,19 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements.  See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You under the Apache License, Version 2.0
+ * (the "License"); you may not use this file except in compliance with
+ * the License.  You may obtain a copy of the License at
+ * 
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ * 
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
 #pragma once
 
 #include "ErrorCode.h"
diff --git a/api/rocketmq/ErrorCode.h b/api/rocketmq/ErrorCode.h
index af30780..1e0e261 100644
--- a/api/rocketmq/ErrorCode.h
+++ b/api/rocketmq/ErrorCode.h
@@ -1,3 +1,19 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements.  See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You under the Apache License, Version 2.0
+ * (the "License"); you may not use this file except in compliance with
+ * the License.  You may obtain a copy of the License at
+ * 
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ * 
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
 #pragma once
 
 #include "RocketMQ.h"
diff --git a/api/rocketmq/Executor.h b/api/rocketmq/Executor.h
index ccd4e0f..a7321b5 100644
--- a/api/rocketmq/Executor.h
+++ b/api/rocketmq/Executor.h
@@ -1,3 +1,19 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements.  See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You under the Apache License, Version 2.0
+ * (the "License"); you may not use this file except in compliance with
+ * the License.  You may obtain a copy of the License at
+ * 
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ * 
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
 #pragma once
 
 #include <functional>
diff --git a/api/rocketmq/ExpressionType.h b/api/rocketmq/ExpressionType.h
index fbf99ac..9418fea 100644
--- a/api/rocketmq/ExpressionType.h
+++ b/api/rocketmq/ExpressionType.h
@@ -1,3 +1,19 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements.  See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You under the Apache License, Version 2.0
+ * (the "License"); you may not use this file except in compliance with
+ * the License.  You may obtain a copy of the License at
+ * 
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ * 
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
 #pragma once
 
 #include <cstdint>
diff --git a/api/rocketmq/LocalTransactionStateChecker.h b/api/rocketmq/LocalTransactionStateChecker.h
index 0badebe..78110bc 100644
--- a/api/rocketmq/LocalTransactionStateChecker.h
+++ b/api/rocketmq/LocalTransactionStateChecker.h
@@ -1,3 +1,19 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements.  See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You under the Apache License, Version 2.0
+ * (the "License"); you may not use this file except in compliance with
+ * the License.  You may obtain a copy of the License at
+ * 
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ * 
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
 #pragma once
 
 #include <memory>
diff --git a/api/rocketmq/Logger.h b/api/rocketmq/Logger.h
index 5866199..86e20d7 100644
--- a/api/rocketmq/Logger.h
+++ b/api/rocketmq/Logger.h
@@ -1,3 +1,19 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements.  See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You under the Apache License, Version 2.0
+ * (the "License"); you may not use this file except in compliance with
+ * the License.  You may obtain a copy of the License at
+ * 
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ * 
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
 #pragma once
 
 #include <cstddef>
diff --git a/api/rocketmq/MQClientException.h b/api/rocketmq/MQClientException.h
index 9e77bf7..115f5ab 100644
--- a/api/rocketmq/MQClientException.h
+++ b/api/rocketmq/MQClientException.h
@@ -1,3 +1,19 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements.  See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You under the Apache License, Version 2.0
+ * (the "License"); you may not use this file except in compliance with
+ * the License.  You may obtain a copy of the License at
+ * 
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ * 
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
 #pragma once
 
 #include <exception>
diff --git a/api/rocketmq/MQMessage.h b/api/rocketmq/MQMessage.h
index 46c479c..da9b66f 100644
--- a/api/rocketmq/MQMessage.h
+++ b/api/rocketmq/MQMessage.h
@@ -1,3 +1,19 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements.  See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You under the Apache License, Version 2.0
+ * (the "License"); you may not use this file except in compliance with
+ * the License.  You may obtain a copy of the License at
+ * 
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ * 
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
 #pragma once
 
 #include <chrono>
diff --git a/api/rocketmq/MQMessageExt.h b/api/rocketmq/MQMessageExt.h
index ad5942e..688ef25 100644
--- a/api/rocketmq/MQMessageExt.h
+++ b/api/rocketmq/MQMessageExt.h
@@ -1,3 +1,19 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements.  See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You under the Apache License, Version 2.0
+ * (the "License"); you may not use this file except in compliance with
+ * the License.  You may obtain a copy of the License at
+ * 
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ * 
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
 #pragma once
 
 #include <chrono>
diff --git a/api/rocketmq/MQMessageQueue.h b/api/rocketmq/MQMessageQueue.h
index 6e84fa8..9e701b7 100644
--- a/api/rocketmq/MQMessageQueue.h
+++ b/api/rocketmq/MQMessageQueue.h
@@ -1,3 +1,19 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements.  See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You under the Apache License, Version 2.0
+ * (the "License"); you may not use this file except in compliance with
+ * the License.  You may obtain a copy of the License at
+ * 
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ * 
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
 #pragma once
 
 #include <functional>
diff --git a/api/rocketmq/MQSelector.h b/api/rocketmq/MQSelector.h
index 029c6f8..edf5b7c 100644
--- a/api/rocketmq/MQSelector.h
+++ b/api/rocketmq/MQSelector.h
@@ -1,3 +1,19 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements.  See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You under the Apache License, Version 2.0
+ * (the "License"); you may not use this file except in compliance with
+ * the License.  You may obtain a copy of the License at
+ * 
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ * 
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
 #pragma once
 
 #include <vector>
diff --git a/api/rocketmq/MessageListener.h b/api/rocketmq/MessageListener.h
index fbe6a19..03a963d 100644
--- a/api/rocketmq/MessageListener.h
+++ b/api/rocketmq/MessageListener.h
@@ -1,3 +1,19 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements.  See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You under the Apache License, Version 2.0
+ * (the "License"); you may not use this file except in compliance with
+ * the License.  You may obtain a copy of the License at
+ * 
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ * 
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
 #pragma once
 
 #include "MQMessageExt.h"
diff --git a/api/rocketmq/MessageModel.h b/api/rocketmq/MessageModel.h
index 7227f52..74cdfa3 100644
--- a/api/rocketmq/MessageModel.h
+++ b/api/rocketmq/MessageModel.h
@@ -1,3 +1,19 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements.  See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You under the Apache License, Version 2.0
+ * (the "License"); you may not use this file except in compliance with
+ * the License.  You may obtain a copy of the License at
+ * 
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ * 
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
 #pragma once
 
 #include "RocketMQ.h"
diff --git a/api/rocketmq/MessageType.h b/api/rocketmq/MessageType.h
index 3e04f3e..e4cc462 100644
--- a/api/rocketmq/MessageType.h
+++ b/api/rocketmq/MessageType.h
@@ -1,3 +1,19 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements.  See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You under the Apache License, Version 2.0
+ * (the "License"); you may not use this file except in compliance with
+ * the License.  You may obtain a copy of the License at
+ * 
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ * 
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
 #pragma once
 
 #include <cstdint>
diff --git a/api/rocketmq/OffsetStore.h b/api/rocketmq/OffsetStore.h
index 309bc02..514d5da 100644
--- a/api/rocketmq/OffsetStore.h
+++ b/api/rocketmq/OffsetStore.h
@@ -1,3 +1,19 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements.  See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You under the Apache License, Version 2.0
+ * (the "License"); you may not use this file except in compliance with
+ * the License.  You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
 #pragma once
 
 #include "MQMessageQueue.h"
diff --git a/api/rocketmq/PullResult.h b/api/rocketmq/PullResult.h
index 57e9890..ebc5448 100644
--- a/api/rocketmq/PullResult.h
+++ b/api/rocketmq/PullResult.h
@@ -1,3 +1,19 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements.  See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You under the Apache License, Version 2.0
+ * (the "License"); you may not use this file except in compliance with
+ * the License.  You may obtain a copy of the License at
+ * 
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ * 
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
 #pragma once
 
 #include <cstdlib>
diff --git a/api/rocketmq/RocketMQ.h b/api/rocketmq/RocketMQ.h
index 6c1f4d1..3b114e6 100644
--- a/api/rocketmq/RocketMQ.h
+++ b/api/rocketmq/RocketMQ.h
@@ -1,3 +1,19 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements.  See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You under the Apache License, Version 2.0
+ * (the "License"); you may not use this file except in compliance with
+ * the License.  You may obtain a copy of the License at
+ * 
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ * 
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
 #pragma once
 
 #ifndef ROCKETMQ_NAMESPACE
diff --git a/api/rocketmq/SendResult.h b/api/rocketmq/SendResult.h
index 7765141..c7d4307 100644
--- a/api/rocketmq/SendResult.h
+++ b/api/rocketmq/SendResult.h
@@ -1,3 +1,19 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements.  See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You under the Apache License, Version 2.0
+ * (the "License"); you may not use this file except in compliance with
+ * the License.  You may obtain a copy of the License at
+ * 
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ * 
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
 #pragma once
 
 #include <utility>
diff --git a/api/rocketmq/State.h b/api/rocketmq/State.h
index ec3c0a6..93a5061 100644
--- a/api/rocketmq/State.h
+++ b/api/rocketmq/State.h
@@ -1,3 +1,19 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements.  See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You under the Apache License, Version 2.0
+ * (the "License"); you may not use this file except in compliance with
+ * the License.  You may obtain a copy of the License at
+ * 
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ * 
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
 #pragma once
 
 #include <cstdint>
diff --git a/api/rocketmq/Transaction.h b/api/rocketmq/Transaction.h
index 352fdad..867a210 100644
--- a/api/rocketmq/Transaction.h
+++ b/api/rocketmq/Transaction.h
@@ -1,3 +1,19 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements.  See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You under the Apache License, Version 2.0
+ * (the "License"); you may not use this file except in compliance with
+ * the License.  You may obtain a copy of the License at
+ * 
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ * 
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
 #pragma once
 
 #include <cstdint>
diff --git a/bazel/BUILD b/bazel/BUILD
deleted file mode 100644
index e69de29..0000000
--- a/bazel/BUILD
+++ /dev/null
diff --git a/bazel/BUILD.bazel b/bazel/BUILD.bazel
new file mode 100644
index 0000000..28e0699
--- /dev/null
+++ b/bazel/BUILD.bazel
@@ -0,0 +1,16 @@
+#
+# Licensed to the Apache Software Foundation (ASF) under one or more
+# contributor license agreements.  See the NOTICE file distributed with
+# this work for additional information regarding copyright ownership.
+# The ASF licenses this file to You under the Apache License, Version 2.0
+# (the "License"); you may not use this file except in compliance with
+# the License.  You may obtain a copy of the License at
+# 
+#     http://www.apache.org/licenses/LICENSE-2.0
+# 
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+#
diff --git a/example/rocketmq/BUILD.bazel b/example/rocketmq/BUILD.bazel
index f0853ba..a2b2dd3 100644
--- a/example/rocketmq/BUILD.bazel
+++ b/example/rocketmq/BUILD.bazel
@@ -1,3 +1,19 @@
+#
+# Licensed to the Apache Software Foundation (ASF) under one or more
+# contributor license agreements.  See the NOTICE file distributed with
+# this work for additional information regarding copyright ownership.
+# The ASF licenses this file to You under the Apache License, Version 2.0
+# (the "License"); you may not use this file except in compliance with
+# the License.  You may obtain a copy of the License at
+# 
+#     http://www.apache.org/licenses/LICENSE-2.0
+# 
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+#
 load("@rules_cc//cc:defs.bzl", "cc_binary")
 
 cc_binary(
diff --git a/example/rocketmq/BenchmarkPushConsumer.cpp b/example/rocketmq/BenchmarkPushConsumer.cpp
index 3585b4e..ab74e09 100644
--- a/example/rocketmq/BenchmarkPushConsumer.cpp
+++ b/example/rocketmq/BenchmarkPushConsumer.cpp
@@ -1,4 +1,19 @@
-#include "rocketmq/DefaultMQPushConsumer.h"
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements.  See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You under the Apache License, Version 2.0
+ * (the "License"); you may not use this file except in compliance with
+ * the License.  You may obtain a copy of the License at
+ * 
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ * 
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */#include "rocketmq/DefaultMQPushConsumer.h"
 
 #include <atomic>
 #include <chrono>
diff --git a/example/rocketmq/ExampleAsyncProducer.cpp b/example/rocketmq/ExampleAsyncProducer.cpp
index 3bf3801..1c624cd 100644
--- a/example/rocketmq/ExampleAsyncProducer.cpp
+++ b/example/rocketmq/ExampleAsyncProducer.cpp
@@ -1,4 +1,19 @@
-#include "rocketmq/DefaultMQProducer.h"
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements.  See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You under the Apache License, Version 2.0
+ * (the "License"); you may not use this file except in compliance with
+ * the License.  You may obtain a copy of the License at
+ * 
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ * 
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */#include "rocketmq/DefaultMQProducer.h"
 #include "rocketmq/ErrorCode.h"
 #include <algorithm>
 #include <array>
diff --git a/example/rocketmq/ExampleBroadcastPushConsumer.cpp b/example/rocketmq/ExampleBroadcastPushConsumer.cpp
index 64b527a..2afda66 100644
--- a/example/rocketmq/ExampleBroadcastPushConsumer.cpp
+++ b/example/rocketmq/ExampleBroadcastPushConsumer.cpp
@@ -1,4 +1,19 @@
-#include "rocketmq/DefaultMQPushConsumer.h"
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements.  See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You under the Apache License, Version 2.0
+ * (the "License"); you may not use this file except in compliance with
+ * the License.  You may obtain a copy of the License at
+ * 
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ * 
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */#include "rocketmq/DefaultMQPushConsumer.h"
 
 #include "rocketmq/Logger.h"
 #include "spdlog/spdlog.h"
diff --git a/example/rocketmq/ExampleProducer.cpp b/example/rocketmq/ExampleProducer.cpp
index 6452509..7e15364 100644
--- a/example/rocketmq/ExampleProducer.cpp
+++ b/example/rocketmq/ExampleProducer.cpp
@@ -1,4 +1,19 @@
-#include "rocketmq/DefaultMQProducer.h"
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements.  See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You under the Apache License, Version 2.0
+ * (the "License"); you may not use this file except in compliance with
+ * the License.  You may obtain a copy of the License at
+ * 
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ * 
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */#include "rocketmq/DefaultMQProducer.h"
 #include <algorithm>
 #include <atomic>
 #include <iostream>
diff --git a/example/rocketmq/ExamplePullConsumer.cpp b/example/rocketmq/ExamplePullConsumer.cpp
index cd745ff..2b87b10 100644
--- a/example/rocketmq/ExamplePullConsumer.cpp
+++ b/example/rocketmq/ExamplePullConsumer.cpp
@@ -1,4 +1,19 @@
-#include <cstdlib>
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements.  See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You under the Apache License, Version 2.0
+ * (the "License"); you may not use this file except in compliance with
+ * the License.  You may obtain a copy of the License at
+ * 
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ * 
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */#include <cstdlib>
 #include <iostream>
 
 #include "rocketmq/CredentialsProvider.h"
diff --git a/example/rocketmq/ExamplePushConsumer.cpp b/example/rocketmq/ExamplePushConsumer.cpp
index c792c9c..5dc0df3 100644
--- a/example/rocketmq/ExamplePushConsumer.cpp
+++ b/example/rocketmq/ExamplePushConsumer.cpp
@@ -1,4 +1,19 @@
-#include <chrono>
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements.  See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You under the Apache License, Version 2.0
+ * (the "License"); you may not use this file except in compliance with
+ * the License.  You may obtain a copy of the License at
+ * 
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ * 
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */#include <chrono>
 #include <iostream>
 #include <mutex>
 #include <thread>
diff --git a/example/rocketmq/ExampleTransactionProducer.cpp b/example/rocketmq/ExampleTransactionProducer.cpp
index 04646cf..bc125ae 100644
--- a/example/rocketmq/ExampleTransactionProducer.cpp
+++ b/example/rocketmq/ExampleTransactionProducer.cpp
@@ -1,4 +1,19 @@
-#include "rocketmq/DefaultMQProducer.h"
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements.  See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You under the Apache License, Version 2.0
+ * (the "License"); you may not use this file except in compliance with
+ * the License.  You may obtain a copy of the License at
+ * 
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ * 
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */#include "rocketmq/DefaultMQProducer.h"
 #include <cstdlib>
 
 using namespace ROCKETMQ_NAMESPACE;
diff --git a/example/rocketmq/PushConsumerWithCustomExecutor.cpp b/example/rocketmq/PushConsumerWithCustomExecutor.cpp
index 000d889..9d6e8a9 100644
--- a/example/rocketmq/PushConsumerWithCustomExecutor.cpp
+++ b/example/rocketmq/PushConsumerWithCustomExecutor.cpp
@@ -1,4 +1,19 @@
-#include "rocketmq/DefaultMQPushConsumer.h"
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements.  See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You under the Apache License, Version 2.0
+ * (the "License"); you may not use this file except in compliance with
+ * the License.  You may obtain a copy of the License at
+ * 
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ * 
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */#include "rocketmq/DefaultMQPushConsumer.h"
 #include "rocketmq/State.h"
 #include <atomic>
 #include <chrono>
diff --git a/example/rocketmq/PushConsumerWithThrottle.cpp b/example/rocketmq/PushConsumerWithThrottle.cpp
index e8969cf..d7b24cd 100644
--- a/example/rocketmq/PushConsumerWithThrottle.cpp
+++ b/example/rocketmq/PushConsumerWithThrottle.cpp
@@ -1,4 +1,19 @@
-#include "rocketmq/DefaultMQPushConsumer.h"
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements.  See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You under the Apache License, Version 2.0
+ * (the "License"); you may not use this file except in compliance with
+ * the License.  You may obtain a copy of the License at
+ * 
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ * 
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */#include "rocketmq/DefaultMQPushConsumer.h"
 
 #include <atomic>
 #include <chrono>
diff --git a/example/rocketmq/SqlConsumer.cpp b/example/rocketmq/SqlConsumer.cpp
index 82b54df..a4a739d 100644
--- a/example/rocketmq/SqlConsumer.cpp
+++ b/example/rocketmq/SqlConsumer.cpp
@@ -1,4 +1,19 @@
-#include "rocketmq/DefaultMQPushConsumer.h"
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements.  See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You under the Apache License, Version 2.0
+ * (the "License"); you may not use this file except in compliance with
+ * the License.  You may obtain a copy of the License at
+ * 
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ * 
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */#include "rocketmq/DefaultMQPushConsumer.h"
 
 #include <chrono>
 #include <iostream>
diff --git a/example/rocketmq/SqlProducer.cpp b/example/rocketmq/SqlProducer.cpp
index f9bbe1c..02a0209 100644
--- a/example/rocketmq/SqlProducer.cpp
+++ b/example/rocketmq/SqlProducer.cpp
@@ -1,4 +1,19 @@
-#include "rocketmq/DefaultMQProducer.h"
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements.  See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You under the Apache License, Version 2.0
+ * (the "License"); you may not use this file except in compliance with
+ * the License.  You may obtain a copy of the License at
+ * 
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ * 
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */#include "rocketmq/DefaultMQProducer.h"
 #include <iostream>
 
 using namespace rocketmq;
diff --git a/proto/BUILD.bazel b/proto/BUILD.bazel
index 0863bd8..3416bf4 100644
--- a/proto/BUILD.bazel
+++ b/proto/BUILD.bazel
@@ -1,3 +1,19 @@
+#
+# Licensed to the Apache Software Foundation (ASF) under one or more
+# contributor license agreements.  See the NOTICE file distributed with
+# this work for additional information regarding copyright ownership.
+# The ASF licenses this file to You under the Apache License, Version 2.0
+# (the "License"); you may not use this file except in compliance with
+# the License.  You may obtain a copy of the License at
+# 
+#     http://www.apache.org/licenses/LICENSE-2.0
+# 
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+#
 load("@rules_proto//proto:defs.bzl", "proto_library")
 load("@rules_cc//cc:defs.bzl", "cc_proto_library")
 load("@rules_proto_grpc//cpp:defs.bzl", "cpp_grpc_library", "cpp_grpc_compile")
diff --git a/src/main/cpp/admin/AdminClient.cpp b/src/main/cpp/admin/AdminClient.cpp
index 2900d69..e7f260c 100644
--- a/src/main/cpp/admin/AdminClient.cpp
+++ b/src/main/cpp/admin/AdminClient.cpp
@@ -1,3 +1,19 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements.  See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You under the Apache License, Version 2.0
+ * (the "License"); you may not use this file except in compliance with
+ * the License.  You may obtain a copy of the License at
+ * 
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ * 
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
 #include "AdminClient.h"
 #include "rocketmq/RocketMQ.h"
 
diff --git a/src/main/cpp/admin/AdminFacade.cpp b/src/main/cpp/admin/AdminFacade.cpp
index 314b59b..a17479c 100644
--- a/src/main/cpp/admin/AdminFacade.cpp
+++ b/src/main/cpp/admin/AdminFacade.cpp
@@ -1,3 +1,19 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements.  See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You under the Apache License, Version 2.0
+ * (the "License"); you may not use this file except in compliance with
+ * the License.  You may obtain a copy of the License at
+ * 
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ * 
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
 #include "AdminServerImpl.h"
 
 using namespace ROCKETMQ_NAMESPACE::admin;
diff --git a/src/main/cpp/admin/AdminServerImpl.cpp b/src/main/cpp/admin/AdminServerImpl.cpp
index d77b4fb..a41c520 100644
--- a/src/main/cpp/admin/AdminServerImpl.cpp
+++ b/src/main/cpp/admin/AdminServerImpl.cpp
@@ -1,3 +1,19 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements.  See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You under the Apache License, Version 2.0
+ * (the "License"); you may not use this file except in compliance with
+ * the License.  You may obtain a copy of the License at
+ * 
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ * 
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
 #include "AdminServerImpl.h"
 
 #include "AdminServiceImpl.h"
diff --git a/src/main/cpp/admin/AdminServiceImpl.cpp b/src/main/cpp/admin/AdminServiceImpl.cpp
index 283ef53..f7ab19f 100644
--- a/src/main/cpp/admin/AdminServiceImpl.cpp
+++ b/src/main/cpp/admin/AdminServiceImpl.cpp
@@ -1,3 +1,19 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements.  See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You under the Apache License, Version 2.0
+ * (the "License"); you may not use this file except in compliance with
+ * the License.  You may obtain a copy of the License at
+ * 
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ * 
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
 #include "AdminServiceImpl.h"
 #include "spdlog/spdlog.h"
 
diff --git a/src/main/cpp/admin/BUILD.bazel b/src/main/cpp/admin/BUILD.bazel
index 1e18e46..1e8efe9 100644
--- a/src/main/cpp/admin/BUILD.bazel
+++ b/src/main/cpp/admin/BUILD.bazel
@@ -1,3 +1,19 @@
+#
+# Licensed to the Apache Software Foundation (ASF) under one or more
+# contributor license agreements.  See the NOTICE file distributed with
+# this work for additional information regarding copyright ownership.
+# The ASF licenses this file to You under the Apache License, Version 2.0
+# (the "License"); you may not use this file except in compliance with
+# the License.  You may obtain a copy of the License at
+# 
+#     http://www.apache.org/licenses/LICENSE-2.0
+# 
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+#
 load("@rules_cc//cc:defs.bzl", "cc_library", "cc_binary")
 cc_library(
     name = "admin_server_library",
diff --git a/src/main/cpp/admin/include/AdminClient.h b/src/main/cpp/admin/include/AdminClient.h
index 9878f33..da99e58 100644
--- a/src/main/cpp/admin/include/AdminClient.h
+++ b/src/main/cpp/admin/include/AdminClient.h
@@ -1,3 +1,19 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements.  See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You under the Apache License, Version 2.0
+ * (the "License"); you may not use this file except in compliance with
+ * the License.  You may obtain a copy of the License at
+ * 
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ * 
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
 #pragma once
 #include "apache/rocketmq/v1/admin.grpc.pb.h"
 #include "rocketmq/RocketMQ.h"
diff --git a/src/main/cpp/admin/include/AdminServerImpl.h b/src/main/cpp/admin/include/AdminServerImpl.h
index ea4b941..c396a13 100644
--- a/src/main/cpp/admin/include/AdminServerImpl.h
+++ b/src/main/cpp/admin/include/AdminServerImpl.h
@@ -1,3 +1,19 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements.  See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You under the Apache License, Version 2.0
+ * (the "License"); you may not use this file except in compliance with
+ * the License.  You may obtain a copy of the License at
+ * 
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ * 
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
 #pragma once
 
 #include "AdminServiceImpl.h"
diff --git a/src/main/cpp/admin/include/AdminServiceImpl.h b/src/main/cpp/admin/include/AdminServiceImpl.h
index 2fa865a..78c3980 100644
--- a/src/main/cpp/admin/include/AdminServiceImpl.h
+++ b/src/main/cpp/admin/include/AdminServiceImpl.h
@@ -1,3 +1,19 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements.  See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You under the Apache License, Version 2.0
+ * (the "License"); you may not use this file except in compliance with
+ * the License.  You may obtain a copy of the License at
+ * 
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ * 
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
 #pragma once
 #include "apache/rocketmq/v1/admin.grpc.pb.h"
 #include "rocketmq/RocketMQ.h"
diff --git a/src/main/cpp/admin/include/ServerCall.h b/src/main/cpp/admin/include/ServerCall.h
index 297b6f1..0c20ca7 100644
--- a/src/main/cpp/admin/include/ServerCall.h
+++ b/src/main/cpp/admin/include/ServerCall.h
@@ -1,3 +1,19 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements.  See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You under the Apache License, Version 2.0
+ * (the "License"); you may not use this file except in compliance with
+ * the License.  You may obtain a copy of the License at
+ * 
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ * 
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
 #pragma once
 
 #include <cassert>
diff --git a/src/main/cpp/base/BUILD.bazel b/src/main/cpp/base/BUILD.bazel
index 1d99854..5c7ab81 100644
--- a/src/main/cpp/base/BUILD.bazel
+++ b/src/main/cpp/base/BUILD.bazel
@@ -1,3 +1,19 @@
+#
+# Licensed to the Apache Software Foundation (ASF) under one or more
+# contributor license agreements.  See the NOTICE file distributed with
+# this work for additional information regarding copyright ownership.
+# The ASF licenses this file to You under the Apache License, Version 2.0
+# (the "License"); you may not use this file except in compliance with
+# the License.  You may obtain a copy of the License at
+# 
+#     http://www.apache.org/licenses/LICENSE-2.0
+# 
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+#
 load("@rules_cc//cc:defs.bzl", "cc_library")
 
 package(default_visibility = ["//visibility:public"])
diff --git a/src/main/cpp/base/ErrorCategory.cpp b/src/main/cpp/base/ErrorCategory.cpp
index dec6772..9110f59 100644
--- a/src/main/cpp/base/ErrorCategory.cpp
+++ b/src/main/cpp/base/ErrorCategory.cpp
@@ -1,3 +1,19 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements.  See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You under the Apache License, Version 2.0
+ * (the "License"); you may not use this file except in compliance with
+ * the License.  You may obtain a copy of the License at
+ * 
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ * 
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
 #include "rocketmq/ErrorCategory.h"
 
 ROCKETMQ_NAMESPACE_BEGIN
diff --git a/src/main/cpp/base/ErrorCode.cpp b/src/main/cpp/base/ErrorCode.cpp
index b6e44dc..7d8be7d 100644
--- a/src/main/cpp/base/ErrorCode.cpp
+++ b/src/main/cpp/base/ErrorCode.cpp
@@ -1,3 +1,19 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements.  See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You under the Apache License, Version 2.0
+ * (the "License"); you may not use this file except in compliance with
+ * the License.  You may obtain a copy of the License at
+ * 
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ * 
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
 #include "rocketmq/ErrorCategory.h"
 
 ROCKETMQ_NAMESPACE_BEGIN
diff --git a/src/main/cpp/base/HostInfo.cpp b/src/main/cpp/base/HostInfo.cpp
index 89c9a52..160e0b0 100644
--- a/src/main/cpp/base/HostInfo.cpp
+++ b/src/main/cpp/base/HostInfo.cpp
@@ -1,3 +1,19 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements.  See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You under the Apache License, Version 2.0
+ * (the "License"); you may not use this file except in compliance with
+ * the License.  You may obtain a copy of the License at
+ * 
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ * 
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
 #include "HostInfo.h"
 #include "absl/strings/match.h"
 #include "rocketmq/RocketMQ.h"
diff --git a/src/main/cpp/base/HttpClientImpl.cpp b/src/main/cpp/base/HttpClientImpl.cpp
index d4b4843..2bf8a5f 100644
--- a/src/main/cpp/base/HttpClientImpl.cpp
+++ b/src/main/cpp/base/HttpClientImpl.cpp
@@ -1,3 +1,19 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements.  See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You under the Apache License, Version 2.0
+ * (the "License"); you may not use this file except in compliance with
+ * the License.  You may obtain a copy of the License at
+ * 
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ * 
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
 #include "HttpClientImpl.h"
 
 #include <memory>
diff --git a/src/main/cpp/base/MQMessage.cpp b/src/main/cpp/base/MQMessage.cpp
index 3dd4ca5..9af46ec 100644
--- a/src/main/cpp/base/MQMessage.cpp
+++ b/src/main/cpp/base/MQMessage.cpp
@@ -1,3 +1,19 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements.  See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You under the Apache License, Version 2.0
+ * (the "License"); you may not use this file except in compliance with
+ * the License.  You may obtain a copy of the License at
+ * 
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ * 
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
 #include "rocketmq/MQMessage.h"
 #include "MessageAccessor.h"
 #include "MessageImpl.h"
diff --git a/src/main/cpp/base/MQMessageExt.cpp b/src/main/cpp/base/MQMessageExt.cpp
index af51271..ed9009c 100644
--- a/src/main/cpp/base/MQMessageExt.cpp
+++ b/src/main/cpp/base/MQMessageExt.cpp
@@ -1,3 +1,19 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements.  See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You under the Apache License, Version 2.0
+ * (the "License"); you may not use this file except in compliance with
+ * the License.  You may obtain a copy of the License at
+ * 
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ * 
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
 #include "rocketmq/MQMessageExt.h"
 #include "MessageImpl.h"
 
diff --git a/src/main/cpp/base/MessageAccessor.cpp b/src/main/cpp/base/MessageAccessor.cpp
index 5ed5878..1a2e0c0 100644
--- a/src/main/cpp/base/MessageAccessor.cpp
+++ b/src/main/cpp/base/MessageAccessor.cpp
@@ -1,3 +1,19 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements.  See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You under the Apache License, Version 2.0
+ * (the "License"); you may not use this file except in compliance with
+ * the License.  You may obtain a copy of the License at
+ * 
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ * 
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
 #include "MessageAccessor.h"
 #include "MessageImpl.h"
 #include "rocketmq/MQMessage.h"
diff --git a/src/main/cpp/base/MetadataConstants.cpp b/src/main/cpp/base/MetadataConstants.cpp
index 4277724..39022d9 100644
--- a/src/main/cpp/base/MetadataConstants.cpp
+++ b/src/main/cpp/base/MetadataConstants.cpp
@@ -1,3 +1,19 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements.  See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You under the Apache License, Version 2.0
+ * (the "License"); you may not use this file except in compliance with
+ * the License.  You may obtain a copy of the License at
+ * 
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ * 
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
 #include "MetadataConstants.h"
 
 ROCKETMQ_NAMESPACE_BEGIN
diff --git a/src/main/cpp/base/MixAll.cpp b/src/main/cpp/base/MixAll.cpp
index b643203..b69c566 100644
--- a/src/main/cpp/base/MixAll.cpp
+++ b/src/main/cpp/base/MixAll.cpp
@@ -1,3 +1,19 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements.  See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You under the Apache License, Version 2.0
+ * (the "License"); you may not use this file except in compliance with
+ * the License.  You may obtain a copy of the License at
+ * 
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ * 
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
 #include "MixAll.h"
 
 #include <chrono>
diff --git a/src/main/cpp/base/Protocol.cpp b/src/main/cpp/base/Protocol.cpp
index 563ef3e..d82ebba 100644
--- a/src/main/cpp/base/Protocol.cpp
+++ b/src/main/cpp/base/Protocol.cpp
@@ -1,3 +1,19 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements.  See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You under the Apache License, Version 2.0
+ * (the "License"); you may not use this file except in compliance with
+ * the License.  You may obtain a copy of the License at
+ * 
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ * 
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
 #include "Protocol.h"
 
 ROCKETMQ_NAMESPACE_BEGIN
diff --git a/src/main/cpp/base/RateLimiter.cpp b/src/main/cpp/base/RateLimiter.cpp
index e53bfb8..a0b48fb 100644
--- a/src/main/cpp/base/RateLimiter.cpp
+++ b/src/main/cpp/base/RateLimiter.cpp
@@ -1,3 +1,19 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements.  See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You under the Apache License, Version 2.0
+ * (the "License"); you may not use this file except in compliance with
+ * the License.  You may obtain a copy of the License at
+ * 
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ * 
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
 #include "RateLimiter.h"
 
 ROCKETMQ_NAMESPACE_BEGIN
diff --git a/src/main/cpp/base/ThreadPoolImpl.cpp b/src/main/cpp/base/ThreadPoolImpl.cpp
index ab2b8f3..4ab1c29 100644
--- a/src/main/cpp/base/ThreadPoolImpl.cpp
+++ b/src/main/cpp/base/ThreadPoolImpl.cpp
@@ -1,3 +1,19 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements.  See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You under the Apache License, Version 2.0
+ * (the "License"); you may not use this file except in compliance with
+ * the License.  You may obtain a copy of the License at
+ * 
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ * 
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
 #include "ThreadPoolImpl.h"
 #include "absl/memory/memory.h"
 #include "asio/executor_work_guard.hpp"
diff --git a/src/main/cpp/base/TopAddressing.cpp b/src/main/cpp/base/TopAddressing.cpp
index af6cbab..6d2bcf5 100644
--- a/src/main/cpp/base/TopAddressing.cpp
+++ b/src/main/cpp/base/TopAddressing.cpp
@@ -1,3 +1,19 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements.  See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You under the Apache License, Version 2.0
+ * (the "License"); you may not use this file except in compliance with
+ * the License.  You may obtain a copy of the License at
+ * 
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ * 
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
 #include "TopAddressing.h"
 
 #include "HttpClientImpl.h"
diff --git a/src/main/cpp/base/UniqueIdGenerator.cpp b/src/main/cpp/base/UniqueIdGenerator.cpp
index 05f8a5d..afc5daa 100644
--- a/src/main/cpp/base/UniqueIdGenerator.cpp
+++ b/src/main/cpp/base/UniqueIdGenerator.cpp
@@ -1,3 +1,19 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements.  See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You under the Apache License, Version 2.0
+ * (the "License"); you may not use this file except in compliance with
+ * the License.  You may obtain a copy of the License at
+ * 
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ * 
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
 #include "UniqueIdGenerator.h"
 #include "LoggerImpl.h"
 #include "MixAll.h"
diff --git a/src/main/cpp/base/UtilAll.cpp b/src/main/cpp/base/UtilAll.cpp
index 5753edc..bd15377 100644
--- a/src/main/cpp/base/UtilAll.cpp
+++ b/src/main/cpp/base/UtilAll.cpp
@@ -1,3 +1,19 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements.  See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You under the Apache License, Version 2.0
+ * (the "License"); you may not use this file except in compliance with
+ * the License.  You may obtain a copy of the License at
+ * 
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ * 
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
 #include "UtilAll.h"
 
 #include "LoggerImpl.h"
diff --git a/src/main/cpp/base/include/DigestType.h b/src/main/cpp/base/include/DigestType.h
index 5416ffb..12ba38c 100644
--- a/src/main/cpp/base/include/DigestType.h
+++ b/src/main/cpp/base/include/DigestType.h
@@ -1,3 +1,19 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements.  See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You under the Apache License, Version 2.0
+ * (the "License"); you may not use this file except in compliance with
+ * the License.  You may obtain a copy of the License at
+ * 
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ * 
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
 #pragma once
 
 #include <cstdint>
diff --git a/src/main/cpp/base/include/Encoding.h b/src/main/cpp/base/include/Encoding.h
index a4a0efa..16e7ac5 100644
--- a/src/main/cpp/base/include/Encoding.h
+++ b/src/main/cpp/base/include/Encoding.h
@@ -1,3 +1,19 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements.  See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You under the Apache License, Version 2.0
+ * (the "License"); you may not use this file except in compliance with
+ * the License.  You may obtain a copy of the License at
+ * 
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ * 
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
 #pragma once
 
 #include <cstdint>
diff --git a/src/main/cpp/base/include/Histogram.h b/src/main/cpp/base/include/Histogram.h
index 6254d76..50084d7 100644
--- a/src/main/cpp/base/include/Histogram.h
+++ b/src/main/cpp/base/include/Histogram.h
@@ -1,3 +1,19 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements.  See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You under the Apache License, Version 2.0
+ * (the "License"); you may not use this file except in compliance with
+ * the License.  You may obtain a copy of the License at
+ * 
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ * 
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
 #pragma once
 
 #include <atomic>
diff --git a/src/main/cpp/base/include/HostInfo.h b/src/main/cpp/base/include/HostInfo.h
index 301970f..4516a17 100644
--- a/src/main/cpp/base/include/HostInfo.h
+++ b/src/main/cpp/base/include/HostInfo.h
@@ -1,3 +1,19 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements.  See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You under the Apache License, Version 2.0
+ * (the "License"); you may not use this file except in compliance with
+ * the License.  You may obtain a copy of the License at
+ * 
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ * 
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
 #pragma once
 
 #include <string>
diff --git a/src/main/cpp/base/include/HttpClient.h b/src/main/cpp/base/include/HttpClient.h
index 6f4cfee..94a3166 100644
--- a/src/main/cpp/base/include/HttpClient.h
+++ b/src/main/cpp/base/include/HttpClient.h
@@ -1,3 +1,19 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements.  See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You under the Apache License, Version 2.0
+ * (the "License"); you may not use this file except in compliance with
+ * the License.  You may obtain a copy of the License at
+ * 
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ * 
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
 #pragma once
 
 #include <cstdint>
diff --git a/src/main/cpp/base/include/HttpClientImpl.h b/src/main/cpp/base/include/HttpClientImpl.h
index bf93b0c..d7035d1 100644
--- a/src/main/cpp/base/include/HttpClientImpl.h
+++ b/src/main/cpp/base/include/HttpClientImpl.h
@@ -1,3 +1,19 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements.  See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You under the Apache License, Version 2.0
+ * (the "License"); you may not use this file except in compliance with
+ * the License.  You may obtain a copy of the License at
+ * 
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ * 
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
 #pragma once
 
 #include "absl/base/thread_annotations.h"
diff --git a/src/main/cpp/base/include/InvocationContext.h b/src/main/cpp/base/include/InvocationContext.h
index bf6788c..4cb7e88 100644
--- a/src/main/cpp/base/include/InvocationContext.h
+++ b/src/main/cpp/base/include/InvocationContext.h
@@ -1,3 +1,19 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements.  See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You under the Apache License, Version 2.0
+ * (the "License"); you may not use this file except in compliance with
+ * the License.  You may obtain a copy of the License at
+ * 
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ * 
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
 #pragma once
 
 #include <atomic>
diff --git a/src/main/cpp/base/include/MessageAccessor.h b/src/main/cpp/base/include/MessageAccessor.h
index 9e1b3b8..f45f36d 100644
--- a/src/main/cpp/base/include/MessageAccessor.h
+++ b/src/main/cpp/base/include/MessageAccessor.h
@@ -1,3 +1,19 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements.  See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You under the Apache License, Version 2.0
+ * (the "License"); you may not use this file except in compliance with
+ * the License.  You may obtain a copy of the License at
+ * 
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ * 
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
 #pragma once
 
 #include "rocketmq/MQMessageExt.h"
diff --git a/src/main/cpp/base/include/MessageImpl.h b/src/main/cpp/base/include/MessageImpl.h
index 8572a07..f03186f 100644
--- a/src/main/cpp/base/include/MessageImpl.h
+++ b/src/main/cpp/base/include/MessageImpl.h
@@ -1,3 +1,19 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements.  See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You under the Apache License, Version 2.0
+ * (the "License"); you may not use this file except in compliance with
+ * the License.  You may obtain a copy of the License at
+ * 
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ * 
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
 #pragma once
 
 #include <map>
diff --git a/src/main/cpp/base/include/MetadataConstants.h b/src/main/cpp/base/include/MetadataConstants.h
index a9dde76..199c072 100644
--- a/src/main/cpp/base/include/MetadataConstants.h
+++ b/src/main/cpp/base/include/MetadataConstants.h
@@ -1,3 +1,19 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements.  See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You under the Apache License, Version 2.0
+ * (the "License"); you may not use this file except in compliance with
+ * the License.  You may obtain a copy of the License at
+ * 
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ * 
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
 #pragma once
 
 #include "rocketmq/RocketMQ.h"
diff --git a/src/main/cpp/base/include/MixAll.h b/src/main/cpp/base/include/MixAll.h
index f201fb5..02b8e63 100644
--- a/src/main/cpp/base/include/MixAll.h
+++ b/src/main/cpp/base/include/MixAll.h
@@ -1,3 +1,19 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements.  See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You under the Apache License, Version 2.0
+ * (the "License"); you may not use this file except in compliance with
+ * the License.  You may obtain a copy of the License at
+ * 
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ * 
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
 #pragma once
 
 #include <chrono>
diff --git a/src/main/cpp/base/include/Protocol.h b/src/main/cpp/base/include/Protocol.h
index 8ab32ab..44a9c9d 100644
--- a/src/main/cpp/base/include/Protocol.h
+++ b/src/main/cpp/base/include/Protocol.h
@@ -1,3 +1,19 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements.  See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You under the Apache License, Version 2.0
+ * (the "License"); you may not use this file except in compliance with
+ * the License.  You may obtain a copy of the License at
+ * 
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ * 
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
 #pragma once
 
 #include <chrono>
diff --git a/src/main/cpp/base/include/RateLimiter.h b/src/main/cpp/base/include/RateLimiter.h
index a3026a6..05c2ed6 100644
--- a/src/main/cpp/base/include/RateLimiter.h
+++ b/src/main/cpp/base/include/RateLimiter.h
@@ -1,3 +1,19 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements.  See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You under the Apache License, Version 2.0
+ * (the "License"); you may not use this file except in compliance with
+ * the License.  You may obtain a copy of the License at
+ * 
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ * 
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
 #pragma once
 
 #include <array>
diff --git a/src/main/cpp/base/include/ThreadPool.h b/src/main/cpp/base/include/ThreadPool.h
index 967ad26..0dc75b5 100644
--- a/src/main/cpp/base/include/ThreadPool.h
+++ b/src/main/cpp/base/include/ThreadPool.h
@@ -1,3 +1,19 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements.  See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You under the Apache License, Version 2.0
+ * (the "License"); you may not use this file except in compliance with
+ * the License.  You may obtain a copy of the License at
+ * 
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ * 
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
 #pragma once
 
 #include <functional>
diff --git a/src/main/cpp/base/include/ThreadPoolImpl.h b/src/main/cpp/base/include/ThreadPoolImpl.h
index fad9204..2039239 100644
--- a/src/main/cpp/base/include/ThreadPoolImpl.h
+++ b/src/main/cpp/base/include/ThreadPoolImpl.h
@@ -1,3 +1,19 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements.  See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You under the Apache License, Version 2.0
+ * (the "License"); you may not use this file except in compliance with
+ * the License.  You may obtain a copy of the License at
+ * 
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ * 
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
 #pragma once
 
 #include <atomic>
diff --git a/src/main/cpp/base/include/TopAddressing.h b/src/main/cpp/base/include/TopAddressing.h
index c013e7a..52400e6 100644
--- a/src/main/cpp/base/include/TopAddressing.h
+++ b/src/main/cpp/base/include/TopAddressing.h
@@ -1,3 +1,19 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements.  See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You under the Apache License, Version 2.0
+ * (the "License"); you may not use this file except in compliance with
+ * the License.  You may obtain a copy of the License at
+ * 
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ * 
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
 #pragma once
 
 #include <cassert>
diff --git a/src/main/cpp/base/include/UniqueIdGenerator.h b/src/main/cpp/base/include/UniqueIdGenerator.h
index ec6cf50..1313b85 100644
--- a/src/main/cpp/base/include/UniqueIdGenerator.h
+++ b/src/main/cpp/base/include/UniqueIdGenerator.h
@@ -1,3 +1,19 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements.  See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You under the Apache License, Version 2.0
+ * (the "License"); you may not use this file except in compliance with
+ * the License.  You may obtain a copy of the License at
+ * 
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ * 
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
 #pragma once
 
 #include <chrono>
diff --git a/src/main/cpp/base/include/UtilAll.h b/src/main/cpp/base/include/UtilAll.h
index 83c2b8b..6c840bb 100644
--- a/src/main/cpp/base/include/UtilAll.h
+++ b/src/main/cpp/base/include/UtilAll.h
@@ -1,3 +1,19 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements.  See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You under the Apache License, Version 2.0
+ * (the "License"); you may not use this file except in compliance with
+ * the License.  You may obtain a copy of the License at
+ * 
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ * 
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
 #pragma once
 
 #include <string>
diff --git a/src/main/cpp/base/mocks/BUILD.bazel b/src/main/cpp/base/mocks/BUILD.bazel
index b50f88c..be924e7 100644
--- a/src/main/cpp/base/mocks/BUILD.bazel
+++ b/src/main/cpp/base/mocks/BUILD.bazel
@@ -1,3 +1,19 @@
+#
+# Licensed to the Apache Software Foundation (ASF) under one or more
+# contributor license agreements.  See the NOTICE file distributed with
+# this work for additional information regarding copyright ownership.
+# The ASF licenses this file to You under the Apache License, Version 2.0
+# (the "License"); you may not use this file except in compliance with
+# the License.  You may obtain a copy of the License at
+# 
+#     http://www.apache.org/licenses/LICENSE-2.0
+# 
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+#
 load("@rules_cc//cc:defs.bzl", "cc_library")
 package(default_visibility = ["//visibility:public"])
 
diff --git a/src/main/cpp/base/mocks/include/HttpClientMock.h b/src/main/cpp/base/mocks/include/HttpClientMock.h
index 6b76cb4..69d59d2 100644
--- a/src/main/cpp/base/mocks/include/HttpClientMock.h
+++ b/src/main/cpp/base/mocks/include/HttpClientMock.h
@@ -1,3 +1,19 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements.  See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You under the Apache License, Version 2.0
+ * (the "License"); you may not use this file except in compliance with
+ * the License.  You may obtain a copy of the License at
+ * 
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ * 
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
 #pragma once
 
 #include "HttpClient.h"
diff --git a/src/main/cpp/base/mocks/include/MessageListenerMock.h b/src/main/cpp/base/mocks/include/MessageListenerMock.h
index 81da855..9c82053 100644
--- a/src/main/cpp/base/mocks/include/MessageListenerMock.h
+++ b/src/main/cpp/base/mocks/include/MessageListenerMock.h
@@ -1,3 +1,19 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements.  See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You under the Apache License, Version 2.0
+ * (the "License"); you may not use this file except in compliance with
+ * the License.  You may obtain a copy of the License at
+ * 
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ * 
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
 #pragma once
 
 #include "rocketmq/MessageListener.h"
diff --git a/src/main/cpp/client/BUILD.bazel b/src/main/cpp/client/BUILD.bazel
index a19626e..c56f279 100644
--- a/src/main/cpp/client/BUILD.bazel
+++ b/src/main/cpp/client/BUILD.bazel
@@ -1,3 +1,19 @@
+#
+# Licensed to the Apache Software Foundation (ASF) under one or more
+# contributor license agreements.  See the NOTICE file distributed with
+# this work for additional information regarding copyright ownership.
+# The ASF licenses this file to You under the Apache License, Version 2.0
+# (the "License"); you may not use this file except in compliance with
+# the License.  You may obtain a copy of the License at
+# 
+#     http://www.apache.org/licenses/LICENSE-2.0
+# 
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+#
 load("@rules_cc//cc:defs.bzl", "cc_library")
 package(default_visibility = ["//visibility:public"])
 
diff --git a/src/main/cpp/client/ClientConfigImpl.cpp b/src/main/cpp/client/ClientConfigImpl.cpp
index fe7303d..e83d132 100644
--- a/src/main/cpp/client/ClientConfigImpl.cpp
+++ b/src/main/cpp/client/ClientConfigImpl.cpp
@@ -1,3 +1,19 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements.  See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You under the Apache License, Version 2.0
+ * (the "License"); you may not use this file except in compliance with
+ * the License.  You may obtain a copy of the License at
+ * 
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ * 
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
 #include "ClientConfigImpl.h"
 
 #include <chrono>
diff --git a/src/main/cpp/client/ClientManagerFactory.cpp b/src/main/cpp/client/ClientManagerFactory.cpp
index 2ba6be1..3b4100a 100644
--- a/src/main/cpp/client/ClientManagerFactory.cpp
+++ b/src/main/cpp/client/ClientManagerFactory.cpp
@@ -1,3 +1,19 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements.  See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You under the Apache License, Version 2.0
+ * (the "License"); you may not use this file except in compliance with
+ * the License.  You may obtain a copy of the License at
+ * 
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ * 
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
 #include "ClientManagerFactory.h"
 #include "ClientManagerImpl.h"
 
diff --git a/src/main/cpp/client/ClientManagerImpl.cpp b/src/main/cpp/client/ClientManagerImpl.cpp
index d0143e5..c6c86a6 100644
--- a/src/main/cpp/client/ClientManagerImpl.cpp
+++ b/src/main/cpp/client/ClientManagerImpl.cpp
@@ -1,3 +1,19 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements.  See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You under the Apache License, Version 2.0
+ * (the "License"); you may not use this file except in compliance with
+ * the License.  You may obtain a copy of the License at
+ * 
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ * 
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
 #include "ClientManagerImpl.h"
 
 #include <atomic>
diff --git a/src/main/cpp/client/LogInterceptor.cpp b/src/main/cpp/client/LogInterceptor.cpp
index 306a8df..215b10f 100644
--- a/src/main/cpp/client/LogInterceptor.cpp
+++ b/src/main/cpp/client/LogInterceptor.cpp
@@ -1,3 +1,19 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements.  See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You under the Apache License, Version 2.0
+ * (the "License"); you may not use this file except in compliance with
+ * the License.  You may obtain a copy of the License at
+ * 
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ * 
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
 #include "LogInterceptor.h"
 #include "InterceptorContinuation.h"
 #include "absl/container/flat_hash_map.h"
diff --git a/src/main/cpp/client/LogInterceptorFactory.cpp b/src/main/cpp/client/LogInterceptorFactory.cpp
index 23c8d83..40bf565 100644
--- a/src/main/cpp/client/LogInterceptorFactory.cpp
+++ b/src/main/cpp/client/LogInterceptorFactory.cpp
@@ -1,3 +1,19 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements.  See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You under the Apache License, Version 2.0
+ * (the "License"); you may not use this file except in compliance with
+ * the License.  You may obtain a copy of the License at
+ * 
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ * 
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
 #include "LogInterceptorFactory.h"
 #include "LogInterceptor.h"
 
diff --git a/src/main/cpp/client/RpcClientImpl.cpp b/src/main/cpp/client/RpcClientImpl.cpp
index cabced2..650c716 100644
--- a/src/main/cpp/client/RpcClientImpl.cpp
+++ b/src/main/cpp/client/RpcClientImpl.cpp
@@ -1,3 +1,19 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements.  See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You under the Apache License, Version 2.0
+ * (the "License"); you may not use this file except in compliance with
+ * the License.  You may obtain a copy of the License at
+ * 
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ * 
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
 #include "RpcClientImpl.h"
 
 #include <chrono>
diff --git a/src/main/cpp/client/Signature.cpp b/src/main/cpp/client/Signature.cpp
index 3aee816..3a4f02f 100644
--- a/src/main/cpp/client/Signature.cpp
+++ b/src/main/cpp/client/Signature.cpp
@@ -1,3 +1,19 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements.  See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You under the Apache License, Version 2.0
+ * (the "License"); you may not use this file except in compliance with
+ * the License.  You may obtain a copy of the License at
+ * 
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ * 
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
 #include "Signature.h"
 #include "ClientConfigImpl.h"
 #include "MetadataConstants.h"
diff --git a/src/main/cpp/client/TlsHelper.cpp b/src/main/cpp/client/TlsHelper.cpp
index aaa0cd6..ac13f85 100644
--- a/src/main/cpp/client/TlsHelper.cpp
+++ b/src/main/cpp/client/TlsHelper.cpp
@@ -1,3 +1,19 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements.  See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You under the Apache License, Version 2.0
+ * (the "License"); you may not use this file except in compliance with
+ * the License.  You may obtain a copy of the License at
+ * 
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ * 
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
 #include "TlsHelper.h"
 
 #include "MixAll.h"
diff --git a/src/main/cpp/client/TopicAssignmentInfo.cpp b/src/main/cpp/client/TopicAssignmentInfo.cpp
index 3df6724..e6682cb 100644
--- a/src/main/cpp/client/TopicAssignmentInfo.cpp
+++ b/src/main/cpp/client/TopicAssignmentInfo.cpp
@@ -1,3 +1,19 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements.  See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You under the Apache License, Version 2.0
+ * (the "License"); you may not use this file except in compliance with
+ * the License.  You may obtain a copy of the License at
+ * 
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ * 
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
 #include "TopicAssignmentInfo.h"
 #include "rocketmq/RocketMQ.h"
 #include "spdlog/spdlog.h"
diff --git a/src/main/cpp/client/TopicPublishInfo.cpp b/src/main/cpp/client/TopicPublishInfo.cpp
index 657d086..5f32d41 100644
--- a/src/main/cpp/client/TopicPublishInfo.cpp
+++ b/src/main/cpp/client/TopicPublishInfo.cpp
@@ -1,3 +1,19 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements.  See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You under the Apache License, Version 2.0
+ * (the "License"); you may not use this file except in compliance with
+ * the License.  You may obtain a copy of the License at
+ * 
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ * 
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
 #include "TopicPublishInfo.h"
 #include "TopicRouteData.h"
 
diff --git a/src/main/cpp/client/TracingUtility.cpp b/src/main/cpp/client/TracingUtility.cpp
index 6f4af46..c2ccdc2 100644
--- a/src/main/cpp/client/TracingUtility.cpp
+++ b/src/main/cpp/client/TracingUtility.cpp
@@ -1,3 +1,19 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements.  See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You under the Apache License, Version 2.0
+ * (the "License"); you may not use this file except in compliance with
+ * the License.  You may obtain a copy of the License at
+ * 
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ * 
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
 #ifdef ENABLE_TRACING
 #include "TracingUtility.h"
 #include <utility>
diff --git a/src/main/cpp/client/include/Assignment.h b/src/main/cpp/client/include/Assignment.h
index 454a61b..b937118 100644
--- a/src/main/cpp/client/include/Assignment.h
+++ b/src/main/cpp/client/include/Assignment.h
@@ -1,3 +1,19 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements.  See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You under the Apache License, Version 2.0
+ * (the "License"); you may not use this file except in compliance with
+ * the License.  You may obtain a copy of the License at
+ * 
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ * 
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
 #pragma once
 
 #include <map>
diff --git a/src/main/cpp/client/include/Broker.h b/src/main/cpp/client/include/Broker.h
index 5464a1d..17c96ff 100644
--- a/src/main/cpp/client/include/Broker.h
+++ b/src/main/cpp/client/include/Broker.h
@@ -1,3 +1,19 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements.  See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You under the Apache License, Version 2.0
+ * (the "License"); you may not use this file except in compliance with
+ * the License.  You may obtain a copy of the License at
+ * 
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ * 
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
 #pragma once
 
 #include <memory>
diff --git a/src/main/cpp/client/include/Client.h b/src/main/cpp/client/include/Client.h
index 917115d..553284e 100644
--- a/src/main/cpp/client/include/Client.h
+++ b/src/main/cpp/client/include/Client.h
@@ -1,3 +1,19 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements.  See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You under the Apache License, Version 2.0
+ * (the "License"); you may not use this file except in compliance with
+ * the License.  You may obtain a copy of the License at
+ * 
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ * 
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
 #pragma once
 
 #include <functional>
diff --git a/src/main/cpp/client/include/ClientConfig.h b/src/main/cpp/client/include/ClientConfig.h
index ec3f529..8cff8c4 100644
--- a/src/main/cpp/client/include/ClientConfig.h
+++ b/src/main/cpp/client/include/ClientConfig.h
@@ -1,3 +1,19 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements.  See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You under the Apache License, Version 2.0
+ * (the "License"); you may not use this file except in compliance with
+ * the License.  You may obtain a copy of the License at
+ * 
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ * 
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
 #pragma once
 
 #include <string>
diff --git a/src/main/cpp/client/include/ClientConfigImpl.h b/src/main/cpp/client/include/ClientConfigImpl.h
index 5a3d30b..06bf5e4 100644
--- a/src/main/cpp/client/include/ClientConfigImpl.h
+++ b/src/main/cpp/client/include/ClientConfigImpl.h
@@ -1,3 +1,19 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements.  See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You under the Apache License, Version 2.0
+ * (the "License"); you may not use this file except in compliance with
+ * the License.  You may obtain a copy of the License at
+ * 
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ * 
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
 #pragma once
 
 #include <atomic>
diff --git a/src/main/cpp/client/include/ClientManager.h b/src/main/cpp/client/include/ClientManager.h
index 9212564..50ab4ac 100644
--- a/src/main/cpp/client/include/ClientManager.h
+++ b/src/main/cpp/client/include/ClientManager.h
@@ -1,3 +1,19 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements.  See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You under the Apache License, Version 2.0
+ * (the "License"); you may not use this file except in compliance with
+ * the License.  You may obtain a copy of the License at
+ * 
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ * 
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
 #pragma once
 
 #include <chrono>
diff --git a/src/main/cpp/client/include/ClientManagerFactory.h b/src/main/cpp/client/include/ClientManagerFactory.h
index d1baf85..0a4dbd0 100644
--- a/src/main/cpp/client/include/ClientManagerFactory.h
+++ b/src/main/cpp/client/include/ClientManagerFactory.h
@@ -1,3 +1,19 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements.  See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You under the Apache License, Version 2.0
+ * (the "License"); you may not use this file except in compliance with
+ * the License.  You may obtain a copy of the License at
+ * 
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ * 
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
 #pragma once
 
 #include <string>
diff --git a/src/main/cpp/client/include/ClientManagerImpl.h b/src/main/cpp/client/include/ClientManagerImpl.h
index 086a4e1..77ec31c 100644
--- a/src/main/cpp/client/include/ClientManagerImpl.h
+++ b/src/main/cpp/client/include/ClientManagerImpl.h
@@ -1,3 +1,19 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements.  See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You under the Apache License, Version 2.0
+ * (the "License"); you may not use this file except in compliance with
+ * the License.  You may obtain a copy of the License at
+ * 
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ * 
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
 #pragma once
 
 #include <atomic>
diff --git a/src/main/cpp/client/include/ConsumeMessageType.h b/src/main/cpp/client/include/ConsumeMessageType.h
index ae0909f..8768f12 100644
--- a/src/main/cpp/client/include/ConsumeMessageType.h
+++ b/src/main/cpp/client/include/ConsumeMessageType.h
@@ -1,3 +1,19 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements.  See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You under the Apache License, Version 2.0
+ * (the "License"); you may not use this file except in compliance with
+ * the License.  You may obtain a copy of the License at
+ * 
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ * 
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
 #pragma once
 
 #include <cstdint>
diff --git a/src/main/cpp/client/include/HeartbeatDataCallback.h b/src/main/cpp/client/include/HeartbeatDataCallback.h
index f105c70..81d0689 100644
--- a/src/main/cpp/client/include/HeartbeatDataCallback.h
+++ b/src/main/cpp/client/include/HeartbeatDataCallback.h
@@ -1,3 +1,19 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements.  See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You under the Apache License, Version 2.0
+ * (the "License"); you may not use this file except in compliance with
+ * the License.  You may obtain a copy of the License at
+ * 
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ * 
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
 #pragma once
 
 #include "RpcClient.h"
diff --git a/src/main/cpp/client/include/InterceptorContinuation.h b/src/main/cpp/client/include/InterceptorContinuation.h
index d7578c9..b243f83 100644
--- a/src/main/cpp/client/include/InterceptorContinuation.h
+++ b/src/main/cpp/client/include/InterceptorContinuation.h
@@ -1,3 +1,19 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements.  See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You under the Apache License, Version 2.0
+ * (the "License"); you may not use this file except in compliance with
+ * the License.  You may obtain a copy of the License at
+ * 
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ * 
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
 #pragma once
 
 #include "grpcpp/impl/codegen/interceptor.h"
diff --git a/src/main/cpp/client/include/LogInterceptor.h b/src/main/cpp/client/include/LogInterceptor.h
index 809a24c..6fa9773 100644
--- a/src/main/cpp/client/include/LogInterceptor.h
+++ b/src/main/cpp/client/include/LogInterceptor.h
@@ -1,3 +1,19 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements.  See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You under the Apache License, Version 2.0
+ * (the "License"); you may not use this file except in compliance with
+ * the License.  You may obtain a copy of the License at
+ * 
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ * 
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
 #include "grpcpp/impl/codegen/client_interceptor.h"
 
 #include "rocketmq/RocketMQ.h"
diff --git a/src/main/cpp/client/include/LogInterceptorFactory.h b/src/main/cpp/client/include/LogInterceptorFactory.h
index 85c0719..533fedf 100644
--- a/src/main/cpp/client/include/LogInterceptorFactory.h
+++ b/src/main/cpp/client/include/LogInterceptorFactory.h
@@ -1,3 +1,19 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements.  See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You under the Apache License, Version 2.0
+ * (the "License"); you may not use this file except in compliance with
+ * the License.  You may obtain a copy of the License at
+ * 
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ * 
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
 #pragma once
 
 #include "grpcpp/impl/codegen/client_interceptor.h"
diff --git a/src/main/cpp/client/include/OpenSSLCompatible.h b/src/main/cpp/client/include/OpenSSLCompatible.h
index e64b95b..9ca0146 100644
--- a/src/main/cpp/client/include/OpenSSLCompatible.h
+++ b/src/main/cpp/client/include/OpenSSLCompatible.h
@@ -1,3 +1,19 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements.  See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You under the Apache License, Version 2.0
+ * (the "License"); you may not use this file except in compliance with
+ * the License.  You may obtain a copy of the License at
+ * 
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ * 
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
 #pragma once
 
 /**
diff --git a/src/main/cpp/client/include/OrphanTransactionCallback.h b/src/main/cpp/client/include/OrphanTransactionCallback.h
index b320650..8a843e0 100644
--- a/src/main/cpp/client/include/OrphanTransactionCallback.h
+++ b/src/main/cpp/client/include/OrphanTransactionCallback.h
@@ -1,3 +1,19 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements.  See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You under the Apache License, Version 2.0
+ * (the "License"); you may not use this file except in compliance with
+ * the License.  You may obtain a copy of the License at
+ * 
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ * 
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
 #pragma once
 
 #include "rocketmq/MQMessage.h"
diff --git a/src/main/cpp/client/include/Partition.h b/src/main/cpp/client/include/Partition.h
index d11018f..3502523 100644
--- a/src/main/cpp/client/include/Partition.h
+++ b/src/main/cpp/client/include/Partition.h
@@ -1,3 +1,19 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements.  See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You under the Apache License, Version 2.0
+ * (the "License"); you may not use this file except in compliance with
+ * the License.  You may obtain a copy of the License at
+ * 
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ * 
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
 #pragma once
 
 #include "Broker.h"
diff --git a/src/main/cpp/client/include/ReceiveMessageCallback.h b/src/main/cpp/client/include/ReceiveMessageCallback.h
index 6eba0e3..631efa3 100644
--- a/src/main/cpp/client/include/ReceiveMessageCallback.h
+++ b/src/main/cpp/client/include/ReceiveMessageCallback.h
@@ -1,3 +1,19 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements.  See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You under the Apache License, Version 2.0
+ * (the "License"); you may not use this file except in compliance with
+ * the License.  You may obtain a copy of the License at
+ * 
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ * 
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
 #pragma once
 
 #include <system_error>
diff --git a/src/main/cpp/client/include/ReceiveMessageResult.h b/src/main/cpp/client/include/ReceiveMessageResult.h
index e53607a..05a1150 100644
--- a/src/main/cpp/client/include/ReceiveMessageResult.h
+++ b/src/main/cpp/client/include/ReceiveMessageResult.h
@@ -1,3 +1,19 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements.  See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You under the Apache License, Version 2.0
+ * (the "License"); you may not use this file except in compliance with
+ * the License.  You may obtain a copy of the License at
+ * 
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ * 
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
 #pragma once
 
 #include <cstdint>
diff --git a/src/main/cpp/client/include/RpcClient.h b/src/main/cpp/client/include/RpcClient.h
index 2b93a08..c7add8a 100644
--- a/src/main/cpp/client/include/RpcClient.h
+++ b/src/main/cpp/client/include/RpcClient.h
@@ -1,3 +1,19 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements.  See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You under the Apache License, Version 2.0
+ * (the "License"); you may not use this file except in compliance with
+ * the License.  You may obtain a copy of the License at
+ * 
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ * 
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
 #pragma once
 
 #include <chrono>
diff --git a/src/main/cpp/client/include/RpcClientImpl.h b/src/main/cpp/client/include/RpcClientImpl.h
index e478dda..15243ed 100644
--- a/src/main/cpp/client/include/RpcClientImpl.h
+++ b/src/main/cpp/client/include/RpcClientImpl.h
@@ -1,3 +1,19 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements.  See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You under the Apache License, Version 2.0
+ * (the "License"); you may not use this file except in compliance with
+ * the License.  You may obtain a copy of the License at
+ * 
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ * 
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
 #pragma once
 
 #include <memory>
diff --git a/src/main/cpp/client/include/SendMessageContext.h b/src/main/cpp/client/include/SendMessageContext.h
index 9a4c36c..9a563e8 100644
--- a/src/main/cpp/client/include/SendMessageContext.h
+++ b/src/main/cpp/client/include/SendMessageContext.h
@@ -1,3 +1,19 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements.  See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You under the Apache License, Version 2.0
+ * (the "License"); you may not use this file except in compliance with
+ * the License.  You may obtain a copy of the License at
+ * 
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ * 
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
 #pragma once
 
 #include <string>
diff --git a/src/main/cpp/client/include/ServiceAddress.h b/src/main/cpp/client/include/ServiceAddress.h
index 0708fed..24a587b 100644
--- a/src/main/cpp/client/include/ServiceAddress.h
+++ b/src/main/cpp/client/include/ServiceAddress.h
@@ -1,3 +1,19 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements.  See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You under the Apache License, Version 2.0
+ * (the "License"); you may not use this file except in compliance with
+ * the License.  You may obtain a copy of the License at
+ * 
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ * 
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
 #pragma once
 
 #include <cstdint>
diff --git a/src/main/cpp/client/include/Signature.h b/src/main/cpp/client/include/Signature.h
index 7d9c0c4..c1e116e 100644
--- a/src/main/cpp/client/include/Signature.h
+++ b/src/main/cpp/client/include/Signature.h
@@ -1,3 +1,19 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements.  See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You under the Apache License, Version 2.0
+ * (the "License"); you may not use this file except in compliance with
+ * the License.  You may obtain a copy of the License at
+ * 
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ * 
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
 #pragma once
 
 #include "absl/container/flat_hash_map.h"
diff --git a/src/main/cpp/client/include/TlsHelper.h b/src/main/cpp/client/include/TlsHelper.h
index b55a982..c0176c7 100644
--- a/src/main/cpp/client/include/TlsHelper.h
+++ b/src/main/cpp/client/include/TlsHelper.h
@@ -1,3 +1,19 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements.  See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You under the Apache License, Version 2.0
+ * (the "License"); you may not use this file except in compliance with
+ * the License.  You may obtain a copy of the License at
+ * 
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ * 
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
 #pragma once
 
 #include "rocketmq/RocketMQ.h"
diff --git a/src/main/cpp/client/include/Topic.h b/src/main/cpp/client/include/Topic.h
index 20b90e3..9c3ae18 100644
--- a/src/main/cpp/client/include/Topic.h
+++ b/src/main/cpp/client/include/Topic.h
@@ -1,3 +1,19 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements.  See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You under the Apache License, Version 2.0
+ * (the "License"); you may not use this file except in compliance with
+ * the License.  You may obtain a copy of the License at
+ * 
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ * 
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
 #pragma once
 
 #include <string>
diff --git a/src/main/cpp/client/include/TopicAssignmentInfo.h b/src/main/cpp/client/include/TopicAssignmentInfo.h
index fdad08e..8162e1d 100644
--- a/src/main/cpp/client/include/TopicAssignmentInfo.h
+++ b/src/main/cpp/client/include/TopicAssignmentInfo.h
@@ -1,3 +1,19 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements.  See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You under the Apache License, Version 2.0
+ * (the "License"); you may not use this file except in compliance with
+ * the License.  You may obtain a copy of the License at
+ * 
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ * 
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
 #pragma once
 
 #include <atomic>
diff --git a/src/main/cpp/client/include/TopicPublishInfo.h b/src/main/cpp/client/include/TopicPublishInfo.h
index d4b18dd..ad7f179 100644
--- a/src/main/cpp/client/include/TopicPublishInfo.h
+++ b/src/main/cpp/client/include/TopicPublishInfo.h
@@ -1,3 +1,19 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements.  See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You under the Apache License, Version 2.0
+ * (the "License"); you may not use this file except in compliance with
+ * the License.  You may obtain a copy of the License at
+ * 
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ * 
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
 #pragma once
 
 #include <vector>
diff --git a/src/main/cpp/client/include/TopicRouteChangeCallback.h b/src/main/cpp/client/include/TopicRouteChangeCallback.h
index 0a8829e..e8adac2 100644
--- a/src/main/cpp/client/include/TopicRouteChangeCallback.h
+++ b/src/main/cpp/client/include/TopicRouteChangeCallback.h
@@ -1,3 +1,19 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements.  See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You under the Apache License, Version 2.0
+ * (the "License"); you may not use this file except in compliance with
+ * the License.  You may obtain a copy of the License at
+ * 
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ * 
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
 #pragma once
 
 #include "absl/strings/string_view.h"
diff --git a/src/main/cpp/client/include/TopicRouteData.h b/src/main/cpp/client/include/TopicRouteData.h
index 265f382..2d17d90 100644
--- a/src/main/cpp/client/include/TopicRouteData.h
+++ b/src/main/cpp/client/include/TopicRouteData.h
@@ -1,3 +1,19 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements.  See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You under the Apache License, Version 2.0
+ * (the "License"); you may not use this file except in compliance with
+ * the License.  You may obtain a copy of the License at
+ * 
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ * 
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
 #pragma once
 
 #include <algorithm>
diff --git a/src/main/cpp/client/mocks/BUILD.bazel b/src/main/cpp/client/mocks/BUILD.bazel
index b7ac371..6da613f 100644
--- a/src/main/cpp/client/mocks/BUILD.bazel
+++ b/src/main/cpp/client/mocks/BUILD.bazel
@@ -1,3 +1,19 @@
+#
+# Licensed to the Apache Software Foundation (ASF) under one or more
+# contributor license agreements.  See the NOTICE file distributed with
+# this work for additional information regarding copyright ownership.
+# The ASF licenses this file to You under the Apache License, Version 2.0
+# (the "License"); you may not use this file except in compliance with
+# the License.  You may obtain a copy of the License at
+# 
+#     http://www.apache.org/licenses/LICENSE-2.0
+# 
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+#
 load("@rules_cc//cc:defs.bzl", "cc_library")
 package(default_visibility = ["//visibility:public"])
 
diff --git a/src/main/cpp/client/mocks/RpcClientMock.cpp b/src/main/cpp/client/mocks/RpcClientMock.cpp
index 7d85dc9..a2ad7cf 100644
--- a/src/main/cpp/client/mocks/RpcClientMock.cpp
+++ b/src/main/cpp/client/mocks/RpcClientMock.cpp
@@ -1,3 +1,19 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements.  See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You under the Apache License, Version 2.0
+ * (the "License"); you may not use this file except in compliance with
+ * the License.  You may obtain a copy of the License at
+ * 
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ * 
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
 #include "RpcClientMock.h"
 
 using namespace testing;
diff --git a/src/main/cpp/client/mocks/include/ClientConfigMock.h b/src/main/cpp/client/mocks/include/ClientConfigMock.h
index 0e5315e..0183d5c 100644
--- a/src/main/cpp/client/mocks/include/ClientConfigMock.h
+++ b/src/main/cpp/client/mocks/include/ClientConfigMock.h
@@ -1,3 +1,19 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements.  See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You under the Apache License, Version 2.0
+ * (the "License"); you may not use this file except in compliance with
+ * the License.  You may obtain a copy of the License at
+ * 
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ * 
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
 #pragma once
 
 #include "ClientConfig.h"
diff --git a/src/main/cpp/client/mocks/include/ClientManagerMock.h b/src/main/cpp/client/mocks/include/ClientManagerMock.h
index 03f827e..e7c88a8 100644
--- a/src/main/cpp/client/mocks/include/ClientManagerMock.h
+++ b/src/main/cpp/client/mocks/include/ClientManagerMock.h
@@ -1,3 +1,19 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements.  See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You under the Apache License, Version 2.0
+ * (the "License"); you may not use this file except in compliance with
+ * the License.  You may obtain a copy of the License at
+ * 
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ * 
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
 #pragma once
 
 #include "ClientManager.h"
diff --git a/src/main/cpp/client/mocks/include/ClientMock.h b/src/main/cpp/client/mocks/include/ClientMock.h
index 1765992..9647f8a 100644
--- a/src/main/cpp/client/mocks/include/ClientMock.h
+++ b/src/main/cpp/client/mocks/include/ClientMock.h
@@ -1,3 +1,19 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements.  See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You under the Apache License, Version 2.0
+ * (the "License"); you may not use this file except in compliance with
+ * the License.  You may obtain a copy of the License at
+ * 
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ * 
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
 #pragma once
 
 #include "Client.h"
diff --git a/src/main/cpp/client/mocks/include/ReceiveMessageCallbackMock.h b/src/main/cpp/client/mocks/include/ReceiveMessageCallbackMock.h
index 7680677..a7df00e 100644
--- a/src/main/cpp/client/mocks/include/ReceiveMessageCallbackMock.h
+++ b/src/main/cpp/client/mocks/include/ReceiveMessageCallbackMock.h
@@ -1,3 +1,19 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements.  See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You under the Apache License, Version 2.0
+ * (the "License"); you may not use this file except in compliance with
+ * the License.  You may obtain a copy of the License at
+ * 
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ * 
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
 #pragma once
 
 #include "gmock/gmock.h"
diff --git a/src/main/cpp/client/mocks/include/RpcClientMock.h b/src/main/cpp/client/mocks/include/RpcClientMock.h
index dadafe0..1ef1e1b 100644
--- a/src/main/cpp/client/mocks/include/RpcClientMock.h
+++ b/src/main/cpp/client/mocks/include/RpcClientMock.h
@@ -1,3 +1,19 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements.  See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You under the Apache License, Version 2.0
+ * (the "License"); you may not use this file except in compliance with
+ * the License.  You may obtain a copy of the License at
+ * 
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ * 
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
 #pragma once
 
 #include "InvocationContext.h"
diff --git a/src/main/cpp/concurrent/BUILD.bazel b/src/main/cpp/concurrent/BUILD.bazel
index 7e82dde..0501d20 100644
--- a/src/main/cpp/concurrent/BUILD.bazel
+++ b/src/main/cpp/concurrent/BUILD.bazel
@@ -1,3 +1,19 @@
+#
+# Licensed to the Apache Software Foundation (ASF) under one or more
+# contributor license agreements.  See the NOTICE file distributed with
+# this work for additional information regarding copyright ownership.
+# The ASF licenses this file to You under the Apache License, Version 2.0
+# (the "License"); you may not use this file except in compliance with
+# the License.  You may obtain a copy of the License at
+# 
+#     http://www.apache.org/licenses/LICENSE-2.0
+# 
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+#
 load("@rules_cc//cc:defs.bzl", "cc_library")
 cc_library(
     name = "countdown_latch_library",
diff --git a/src/main/cpp/concurrent/CountdownLatch.cpp b/src/main/cpp/concurrent/CountdownLatch.cpp
index 6347bb1..8143cb2 100644
--- a/src/main/cpp/concurrent/CountdownLatch.cpp
+++ b/src/main/cpp/concurrent/CountdownLatch.cpp
@@ -1,3 +1,19 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements.  See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You under the Apache License, Version 2.0
+ * (the "License"); you may not use this file except in compliance with
+ * the License.  You may obtain a copy of the License at
+ * 
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ * 
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
 #include "CountdownLatch.h"
 #include "LoggerImpl.h"
 
diff --git a/src/main/cpp/concurrent/include/CountdownLatch.h b/src/main/cpp/concurrent/include/CountdownLatch.h
index 0996630..30263f0 100644
--- a/src/main/cpp/concurrent/include/CountdownLatch.h
+++ b/src/main/cpp/concurrent/include/CountdownLatch.h
@@ -1,3 +1,19 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements.  See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You under the Apache License, Version 2.0
+ * (the "License"); you may not use this file except in compliance with
+ * the License.  You may obtain a copy of the License at
+ * 
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ * 
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
 #pragma once
 
 #include <string>
diff --git a/src/main/cpp/log/BUILD.bazel b/src/main/cpp/log/BUILD.bazel
index 6a6208d..4b76706 100644
--- a/src/main/cpp/log/BUILD.bazel
+++ b/src/main/cpp/log/BUILD.bazel
@@ -1,3 +1,19 @@
+#
+# Licensed to the Apache Software Foundation (ASF) under one or more
+# contributor license agreements.  See the NOTICE file distributed with
+# this work for additional information regarding copyright ownership.
+# The ASF licenses this file to You under the Apache License, Version 2.0
+# (the "License"); you may not use this file except in compliance with
+# the License.  You may obtain a copy of the License at
+# 
+#     http://www.apache.org/licenses/LICENSE-2.0
+# 
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+#
 load("@rules_cc//cc:defs.bzl", "cc_library")
 cc_library(
     name = "log_library",
diff --git a/src/main/cpp/log/LoggerImpl.cpp b/src/main/cpp/log/LoggerImpl.cpp
index a8140f4..a4241d3 100644
--- a/src/main/cpp/log/LoggerImpl.cpp
+++ b/src/main/cpp/log/LoggerImpl.cpp
@@ -1,3 +1,19 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements.  See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You under the Apache License, Version 2.0
+ * (the "License"); you may not use this file except in compliance with
+ * the License.  You may obtain a copy of the License at
+ * 
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ * 
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
 #include "LoggerImpl.h"
 #include <algorithm>
 #include <cstdint>
diff --git a/src/main/cpp/log/include/LoggerImpl.h b/src/main/cpp/log/include/LoggerImpl.h
index 2aee66f..1c337d9 100644
--- a/src/main/cpp/log/include/LoggerImpl.h
+++ b/src/main/cpp/log/include/LoggerImpl.h
@@ -1,3 +1,19 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements.  See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You under the Apache License, Version 2.0
+ * (the "License"); you may not use this file except in compliance with
+ * the License.  You may obtain a copy of the License at
+ * 
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ * 
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
 #pragma once
 #include "rocketmq/Logger.h"
 #include "spdlog/sinks/rotating_file_sink.h"
diff --git a/src/main/cpp/remoting/BUILD.bazel b/src/main/cpp/remoting/BUILD.bazel
index ae84d43..155672b 100644
--- a/src/main/cpp/remoting/BUILD.bazel
+++ b/src/main/cpp/remoting/BUILD.bazel
@@ -1,3 +1,19 @@
+#
+# Licensed to the Apache Software Foundation (ASF) under one or more
+# contributor license agreements.  See the NOTICE file distributed with
+# this work for additional information regarding copyright ownership.
+# The ASF licenses this file to You under the Apache License, Version 2.0
+# (the "License"); you may not use this file except in compliance with
+# the License.  You may obtain a copy of the License at
+# 
+#     http://www.apache.org/licenses/LICENSE-2.0
+# 
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+#
 load("@rules_cc//cc:defs.bzl", "cc_library")
 package(default_visibility = ["//visibility:public"])
 
diff --git a/src/main/cpp/remoting/BrokerData.cpp b/src/main/cpp/remoting/BrokerData.cpp
index cadba72..5b7762f 100644
--- a/src/main/cpp/remoting/BrokerData.cpp
+++ b/src/main/cpp/remoting/BrokerData.cpp
@@ -1,3 +1,19 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements.  See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You under the Apache License, Version 2.0
+ * (the "License"); you may not use this file except in compliance with
+ * the License.  You may obtain a copy of the License at
+ * 
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ * 
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
 #include "BrokerData.h"
 #include <string>
 
diff --git a/src/main/cpp/remoting/QueryRouteRequestHeader.cpp b/src/main/cpp/remoting/QueryRouteRequestHeader.cpp
index 3a6f032..055d27c 100644
--- a/src/main/cpp/remoting/QueryRouteRequestHeader.cpp
+++ b/src/main/cpp/remoting/QueryRouteRequestHeader.cpp
@@ -1,3 +1,19 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements.  See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You under the Apache License, Version 2.0
+ * (the "License"); you may not use this file except in compliance with
+ * the License.  You may obtain a copy of the License at
+ * 
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ * 
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
 #include "QueryRouteRequestHeader.h"
 #include "rocketmq/RocketMQ.h"
 
diff --git a/src/main/cpp/remoting/QueueData.cpp b/src/main/cpp/remoting/QueueData.cpp
index 31a5702..6f22740 100644
--- a/src/main/cpp/remoting/QueueData.cpp
+++ b/src/main/cpp/remoting/QueueData.cpp
@@ -1,3 +1,19 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements.  See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You under the Apache License, Version 2.0
+ * (the "License"); you may not use this file except in compliance with
+ * the License.  You may obtain a copy of the License at
+ * 
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ * 
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
 #include "QueueData.h"
 
 ROCKETMQ_NAMESPACE_BEGIN
diff --git a/src/main/cpp/remoting/RemotingCommand.cpp b/src/main/cpp/remoting/RemotingCommand.cpp
index cbcdf67..0019e55 100644
--- a/src/main/cpp/remoting/RemotingCommand.cpp
+++ b/src/main/cpp/remoting/RemotingCommand.cpp
@@ -1,3 +1,19 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements.  See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You under the Apache License, Version 2.0
+ * (the "License"); you may not use this file except in compliance with
+ * the License.  You may obtain a copy of the License at
+ * 
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ * 
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
 #include "RemotingCommand.h"
 
 #include <atomic>
diff --git a/src/main/cpp/remoting/TopicRouteData.cpp b/src/main/cpp/remoting/TopicRouteData.cpp
index 4414135..8b9750d 100644
--- a/src/main/cpp/remoting/TopicRouteData.cpp
+++ b/src/main/cpp/remoting/TopicRouteData.cpp
@@ -1,3 +1,19 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements.  See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You under the Apache License, Version 2.0
+ * (the "License"); you may not use this file except in compliance with
+ * the License.  You may obtain a copy of the License at
+ * 
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ * 
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
 #include "TopicRouteData.h"
 #include "BrokerData.h"
 #include "rocketmq/RocketMQ.h"
diff --git a/src/main/cpp/remoting/include/BrokerData.h b/src/main/cpp/remoting/include/BrokerData.h
index d8d43d0..d522ae7 100644
--- a/src/main/cpp/remoting/include/BrokerData.h
+++ b/src/main/cpp/remoting/include/BrokerData.h
@@ -1,3 +1,19 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements.  See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You under the Apache License, Version 2.0
+ * (the "License"); you may not use this file except in compliance with
+ * the License.  You may obtain a copy of the License at
+ * 
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ * 
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
 #pragma once
 
 #include <cstdint>
diff --git a/src/main/cpp/remoting/include/CommandCustomHeader.h b/src/main/cpp/remoting/include/CommandCustomHeader.h
index aeabf06..441bcd9 100644
--- a/src/main/cpp/remoting/include/CommandCustomHeader.h
+++ b/src/main/cpp/remoting/include/CommandCustomHeader.h
@@ -1,3 +1,19 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements.  See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You under the Apache License, Version 2.0
+ * (the "License"); you may not use this file except in compliance with
+ * the License.  You may obtain a copy of the License at
+ * 
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ * 
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
 #pragma once
 
 #include "google/protobuf/struct.pb.h"
diff --git a/src/main/cpp/remoting/include/LanguageCode.h b/src/main/cpp/remoting/include/LanguageCode.h
index cdf8efe..9204a4d 100644
--- a/src/main/cpp/remoting/include/LanguageCode.h
+++ b/src/main/cpp/remoting/include/LanguageCode.h
@@ -1,3 +1,19 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements.  See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You under the Apache License, Version 2.0
+ * (the "License"); you may not use this file except in compliance with
+ * the License.  You may obtain a copy of the License at
+ * 
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ * 
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
 #pragma once
 
 #include <cstdint>
diff --git a/src/main/cpp/remoting/include/QueryRouteRequestHeader.h b/src/main/cpp/remoting/include/QueryRouteRequestHeader.h
index 86fc891..0a9682a 100644
--- a/src/main/cpp/remoting/include/QueryRouteRequestHeader.h
+++ b/src/main/cpp/remoting/include/QueryRouteRequestHeader.h
@@ -1,3 +1,19 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements.  See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You under the Apache License, Version 2.0
+ * (the "License"); you may not use this file except in compliance with
+ * the License.  You may obtain a copy of the License at
+ * 
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ * 
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
 #pragma once
 
 #include <string>
diff --git a/src/main/cpp/remoting/include/QueueData.h b/src/main/cpp/remoting/include/QueueData.h
index 6fb5c7f..4be93be 100644
--- a/src/main/cpp/remoting/include/QueueData.h
+++ b/src/main/cpp/remoting/include/QueueData.h
@@ -1,3 +1,19 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements.  See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You under the Apache License, Version 2.0
+ * (the "License"); you may not use this file except in compliance with
+ * the License.  You may obtain a copy of the License at
+ * 
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ * 
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
 #pragma once
 
 #include <cstdint>
diff --git a/src/main/cpp/remoting/include/RemotingCommand.h b/src/main/cpp/remoting/include/RemotingCommand.h
index b7e4cec..c4b5ef1 100644
--- a/src/main/cpp/remoting/include/RemotingCommand.h
+++ b/src/main/cpp/remoting/include/RemotingCommand.h
@@ -1,3 +1,19 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements.  See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You under the Apache License, Version 2.0
+ * (the "License"); you may not use this file except in compliance with
+ * the License.  You may obtain a copy of the License at
+ * 
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ * 
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
 #pragma once
 
 #include <cstdint>
diff --git a/src/main/cpp/remoting/include/RemotingCommandType.h b/src/main/cpp/remoting/include/RemotingCommandType.h
index 5bd341a..6e7c4fe 100644
--- a/src/main/cpp/remoting/include/RemotingCommandType.h
+++ b/src/main/cpp/remoting/include/RemotingCommandType.h
@@ -1,3 +1,19 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements.  See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You under the Apache License, Version 2.0
+ * (the "License"); you may not use this file except in compliance with
+ * the License.  You may obtain a copy of the License at
+ * 
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ * 
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
 #pragma once
 
 #include <cstdint>
diff --git a/src/main/cpp/remoting/include/RequestCode.h b/src/main/cpp/remoting/include/RequestCode.h
index d0a933d..58de924 100644
--- a/src/main/cpp/remoting/include/RequestCode.h
+++ b/src/main/cpp/remoting/include/RequestCode.h
@@ -1,3 +1,19 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements.  See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You under the Apache License, Version 2.0
+ * (the "License"); you may not use this file except in compliance with
+ * the License.  You may obtain a copy of the License at
+ * 
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ * 
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
 #pragma once
 
 #include <cstdint>
diff --git a/src/main/cpp/remoting/include/ResponseCode.h b/src/main/cpp/remoting/include/ResponseCode.h
index 080f9b3..c47014f 100644
--- a/src/main/cpp/remoting/include/ResponseCode.h
+++ b/src/main/cpp/remoting/include/ResponseCode.h
@@ -1,3 +1,19 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements.  See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You under the Apache License, Version 2.0
+ * (the "License"); you may not use this file except in compliance with
+ * the License.  You may obtain a copy of the License at
+ * 
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ * 
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
 #pragma once
 
 #include <cstdint>
diff --git a/src/main/cpp/remoting/include/TopicRouteData.h b/src/main/cpp/remoting/include/TopicRouteData.h
index 9e45e3a..16cf7c8 100644
--- a/src/main/cpp/remoting/include/TopicRouteData.h
+++ b/src/main/cpp/remoting/include/TopicRouteData.h
@@ -1,3 +1,19 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements.  See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You under the Apache License, Version 2.0
+ * (the "License"); you may not use this file except in compliance with
+ * the License.  You may obtain a copy of the License at
+ * 
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ * 
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
 #pragma once
 
 #include <vector>
diff --git a/src/main/cpp/remoting/include/Version.h b/src/main/cpp/remoting/include/Version.h
index 5a64a45..8decd13 100644
--- a/src/main/cpp/remoting/include/Version.h
+++ b/src/main/cpp/remoting/include/Version.h
@@ -1,3 +1,19 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements.  See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You under the Apache License, Version 2.0
+ * (the "License"); you may not use this file except in compliance with
+ * the License.  You may obtain a copy of the License at
+ * 
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ * 
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
 #pragma once
 
 #include <cstdint>
diff --git a/src/main/cpp/rocketmq/AsyncReceiveMessageCallback.cpp b/src/main/cpp/rocketmq/AsyncReceiveMessageCallback.cpp
index d4ac095..95df783 100644
--- a/src/main/cpp/rocketmq/AsyncReceiveMessageCallback.cpp
+++ b/src/main/cpp/rocketmq/AsyncReceiveMessageCallback.cpp
@@ -1,3 +1,19 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements.  See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You under the Apache License, Version 2.0
+ * (the "License"); you may not use this file except in compliance with
+ * the License.  You may obtain a copy of the License at
+ * 
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ * 
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
 #include "AsyncReceiveMessageCallback.h"
 
 #include <system_error>
diff --git a/src/main/cpp/rocketmq/AwaitPullCallback.cpp b/src/main/cpp/rocketmq/AwaitPullCallback.cpp
index 6c942a8..db315f0 100644
--- a/src/main/cpp/rocketmq/AwaitPullCallback.cpp
+++ b/src/main/cpp/rocketmq/AwaitPullCallback.cpp
@@ -1,3 +1,19 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements.  See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You under the Apache License, Version 2.0
+ * (the "License"); you may not use this file except in compliance with
+ * the License.  You may obtain a copy of the License at
+ * 
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ * 
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
 #include "AwaitPullCallback.h"
 
 ROCKETMQ_NAMESPACE_BEGIN
diff --git a/src/main/cpp/rocketmq/BUILD.bazel b/src/main/cpp/rocketmq/BUILD.bazel
index 498fa39..20cfe8c 100644
--- a/src/main/cpp/rocketmq/BUILD.bazel
+++ b/src/main/cpp/rocketmq/BUILD.bazel
@@ -1,3 +1,19 @@
+#
+# Licensed to the Apache Software Foundation (ASF) under one or more
+# contributor license agreements.  See the NOTICE file distributed with
+# this work for additional information regarding copyright ownership.
+# The ASF licenses this file to You under the Apache License, Version 2.0
+# (the "License"); you may not use this file except in compliance with
+# the License.  You may obtain a copy of the License at
+# 
+#     http://www.apache.org/licenses/LICENSE-2.0
+# 
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+#
 load("@rules_cc//cc:defs.bzl", "cc_library")
 
 package(default_visibility = ["//visibility:public"])
diff --git a/src/main/cpp/rocketmq/ClientImpl.cpp b/src/main/cpp/rocketmq/ClientImpl.cpp
index 920187c..0b48a05 100644
--- a/src/main/cpp/rocketmq/ClientImpl.cpp
+++ b/src/main/cpp/rocketmq/ClientImpl.cpp
@@ -1,3 +1,19 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements.  See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You under the Apache License, Version 2.0
+ * (the "License"); you may not use this file except in compliance with
+ * the License.  You may obtain a copy of the License at
+ * 
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ * 
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
 #include <algorithm>
 #include <atomic>
 #include <chrono>
diff --git a/src/main/cpp/rocketmq/ConsumeFifoMessageService.cpp b/src/main/cpp/rocketmq/ConsumeFifoMessageService.cpp
index 435d8c4..3fd79fb 100644
--- a/src/main/cpp/rocketmq/ConsumeFifoMessageService.cpp
+++ b/src/main/cpp/rocketmq/ConsumeFifoMessageService.cpp
@@ -1,3 +1,19 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements.  See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You under the Apache License, Version 2.0
+ * (the "License"); you may not use this file except in compliance with
+ * the License.  You may obtain a copy of the License at
+ * 
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ * 
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
 #include <chrono>
 #include <functional>
 #include <limits>
diff --git a/src/main/cpp/rocketmq/ConsumeMessageServiceBase.cpp b/src/main/cpp/rocketmq/ConsumeMessageServiceBase.cpp
index 468915d..993ffaf 100644
--- a/src/main/cpp/rocketmq/ConsumeMessageServiceBase.cpp
+++ b/src/main/cpp/rocketmq/ConsumeMessageServiceBase.cpp
@@ -1,3 +1,19 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements.  See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You under the Apache License, Version 2.0
+ * (the "License"); you may not use this file except in compliance with
+ * the License.  You may obtain a copy of the License at
+ * 
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ * 
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
 #include "ConsumeMessageServiceBase.h"
 #include "LoggerImpl.h"
 #include "PushConsumer.h"
diff --git a/src/main/cpp/rocketmq/ConsumeStandardMessageService.cpp b/src/main/cpp/rocketmq/ConsumeStandardMessageService.cpp
index 2ba3082..d9b4c02 100644
--- a/src/main/cpp/rocketmq/ConsumeStandardMessageService.cpp
+++ b/src/main/cpp/rocketmq/ConsumeStandardMessageService.cpp
@@ -1,3 +1,19 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements.  See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You under the Apache License, Version 2.0
+ * (the "License"); you may not use this file except in compliance with
+ * the License.  You may obtain a copy of the License at
+ * 
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ * 
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
 #include <limits>
 #include <string>
 #include <system_error>
diff --git a/src/main/cpp/rocketmq/CredentialsProvider.cpp b/src/main/cpp/rocketmq/CredentialsProvider.cpp
index 0200750..41ae320 100644
--- a/src/main/cpp/rocketmq/CredentialsProvider.cpp
+++ b/src/main/cpp/rocketmq/CredentialsProvider.cpp
@@ -1,3 +1,19 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements.  See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You under the Apache License, Version 2.0
+ * (the "License"); you may not use this file except in compliance with
+ * the License.  You may obtain a copy of the License at
+ * 
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ * 
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
 #include <cstdlib>
 #include <fstream>
 #include <iostream>
diff --git a/src/main/cpp/rocketmq/DefaultMQProducer.cpp b/src/main/cpp/rocketmq/DefaultMQProducer.cpp
index bbf6ad8..ba3581d 100644
--- a/src/main/cpp/rocketmq/DefaultMQProducer.cpp
+++ b/src/main/cpp/rocketmq/DefaultMQProducer.cpp
@@ -1,3 +1,19 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements.  See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You under the Apache License, Version 2.0
+ * (the "License"); you may not use this file except in compliance with
+ * the License.  You may obtain a copy of the License at
+ * 
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ * 
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
 #include "rocketmq/DefaultMQProducer.h"
 
 #include <chrono>
diff --git a/src/main/cpp/rocketmq/DefaultMQPullConsumer.cpp b/src/main/cpp/rocketmq/DefaultMQPullConsumer.cpp
index 8f63625..f777d77 100644
--- a/src/main/cpp/rocketmq/DefaultMQPullConsumer.cpp
+++ b/src/main/cpp/rocketmq/DefaultMQPullConsumer.cpp
@@ -1,3 +1,19 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements.  See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You under the Apache License, Version 2.0
+ * (the "License"); you may not use this file except in compliance with
+ * the License.  You may obtain a copy of the License at
+ * 
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ * 
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
 #include "rocketmq/DefaultMQPullConsumer.h"
 
 #include <memory>
diff --git a/src/main/cpp/rocketmq/DefaultMQPushConsumer.cpp b/src/main/cpp/rocketmq/DefaultMQPushConsumer.cpp
index 6cb6291..8983689 100644
--- a/src/main/cpp/rocketmq/DefaultMQPushConsumer.cpp
+++ b/src/main/cpp/rocketmq/DefaultMQPushConsumer.cpp
@@ -1,3 +1,19 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements.  See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You under the Apache License, Version 2.0
+ * (the "License"); you may not use this file except in compliance with
+ * the License.  You may obtain a copy of the License at
+ * 
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ * 
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
 #include <chrono>
 #include <memory>
 
diff --git a/src/main/cpp/rocketmq/DynamicNameServerResolver.cpp b/src/main/cpp/rocketmq/DynamicNameServerResolver.cpp
index 0d591c3..428f6f8 100644
--- a/src/main/cpp/rocketmq/DynamicNameServerResolver.cpp
+++ b/src/main/cpp/rocketmq/DynamicNameServerResolver.cpp
@@ -1,3 +1,19 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements.  See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You under the Apache License, Version 2.0
+ * (the "License"); you may not use this file except in compliance with
+ * the License.  You may obtain a copy of the License at
+ * 
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ * 
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
 #include "DynamicNameServerResolver.h"
 
 #include <atomic>
diff --git a/src/main/cpp/rocketmq/FilterExpression.cpp b/src/main/cpp/rocketmq/FilterExpression.cpp
index de1f95a..133eb98 100644
--- a/src/main/cpp/rocketmq/FilterExpression.cpp
+++ b/src/main/cpp/rocketmq/FilterExpression.cpp
@@ -1,3 +1,19 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements.  See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You under the Apache License, Version 2.0
+ * (the "License"); you may not use this file except in compliance with
+ * the License.  You may obtain a copy of the License at
+ * 
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ * 
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
 #include "FilterExpression.h"
 
 ROCKETMQ_NAMESPACE_BEGIN
diff --git a/src/main/cpp/rocketmq/MessageGroupQueueSelector.cpp b/src/main/cpp/rocketmq/MessageGroupQueueSelector.cpp
index 8b97e31..344301d 100644
--- a/src/main/cpp/rocketmq/MessageGroupQueueSelector.cpp
+++ b/src/main/cpp/rocketmq/MessageGroupQueueSelector.cpp
@@ -1,3 +1,19 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements.  See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You under the Apache License, Version 2.0
+ * (the "License"); you may not use this file except in compliance with
+ * the License.  You may obtain a copy of the License at
+ * 
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ * 
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
 #include "MessageGroupQueueSelector.h"
 
 #include <cassert>
diff --git a/src/main/cpp/rocketmq/ProcessQueueImpl.cpp b/src/main/cpp/rocketmq/ProcessQueueImpl.cpp
index e9c1db0..591bd56 100644
--- a/src/main/cpp/rocketmq/ProcessQueueImpl.cpp
+++ b/src/main/cpp/rocketmq/ProcessQueueImpl.cpp
@@ -1,3 +1,19 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements.  See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You under the Apache License, Version 2.0
+ * (the "License"); you may not use this file except in compliance with
+ * the License.  You may obtain a copy of the License at
+ * 
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ * 
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
 #include "ProcessQueueImpl.h"
 
 #include <atomic>
diff --git a/src/main/cpp/rocketmq/ProducerImpl.cpp b/src/main/cpp/rocketmq/ProducerImpl.cpp
index f37ab57..0d12249 100644
--- a/src/main/cpp/rocketmq/ProducerImpl.cpp
+++ b/src/main/cpp/rocketmq/ProducerImpl.cpp
@@ -1,3 +1,19 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements.  See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You under the Apache License, Version 2.0
+ * (the "License"); you may not use this file except in compliance with
+ * the License.  You may obtain a copy of the License at
+ * 
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ * 
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
 #include "ProducerImpl.h"
 
 #include <atomic>
diff --git a/src/main/cpp/rocketmq/PullConsumerImpl.cpp b/src/main/cpp/rocketmq/PullConsumerImpl.cpp
index 43f8203..48d4a7b 100644
--- a/src/main/cpp/rocketmq/PullConsumerImpl.cpp
+++ b/src/main/cpp/rocketmq/PullConsumerImpl.cpp
@@ -1,3 +1,19 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements.  See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You under the Apache License, Version 2.0
+ * (the "License"); you may not use this file except in compliance with
+ * the License.  You may obtain a copy of the License at
+ * 
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ * 
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
 #include "PullConsumerImpl.h"
 #include "ClientManagerFactory.h"
 #include "InvocationContext.h"
diff --git a/src/main/cpp/rocketmq/PushConsumerImpl.cpp b/src/main/cpp/rocketmq/PushConsumerImpl.cpp
index a8cbc7b..43f53e2 100644
--- a/src/main/cpp/rocketmq/PushConsumerImpl.cpp
+++ b/src/main/cpp/rocketmq/PushConsumerImpl.cpp
@@ -1,3 +1,19 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements.  See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You under the Apache License, Version 2.0
+ * (the "License"); you may not use this file except in compliance with
+ * the License.  You may obtain a copy of the License at
+ * 
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ * 
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
 #include "PushConsumerImpl.h"
 
 #include <atomic>
diff --git a/src/main/cpp/rocketmq/SendCallbacks.cpp b/src/main/cpp/rocketmq/SendCallbacks.cpp
index ae680e3..596ad01 100644
--- a/src/main/cpp/rocketmq/SendCallbacks.cpp
+++ b/src/main/cpp/rocketmq/SendCallbacks.cpp
@@ -1,3 +1,19 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements.  See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You under the Apache License, Version 2.0
+ * (the "License"); you may not use this file except in compliance with
+ * the License.  You may obtain a copy of the License at
+ * 
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ * 
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
 #include "SendCallbacks.h"
 
 #include "ProducerImpl.h"
diff --git a/src/main/cpp/rocketmq/StaticNameServerResolver.cpp b/src/main/cpp/rocketmq/StaticNameServerResolver.cpp
index 095fd57..6482c3e 100644
--- a/src/main/cpp/rocketmq/StaticNameServerResolver.cpp
+++ b/src/main/cpp/rocketmq/StaticNameServerResolver.cpp
@@ -1,3 +1,19 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements.  See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You under the Apache License, Version 2.0
+ * (the "License"); you may not use this file except in compliance with
+ * the License.  You may obtain a copy of the License at
+ * 
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ * 
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
 #include "StaticNameServerResolver.h"
 
 #include "absl/strings/str_split.h"
diff --git a/src/main/cpp/rocketmq/TransactionImpl.cpp b/src/main/cpp/rocketmq/TransactionImpl.cpp
index 75c0c5f..52cc6d6 100644
--- a/src/main/cpp/rocketmq/TransactionImpl.cpp
+++ b/src/main/cpp/rocketmq/TransactionImpl.cpp
@@ -1,3 +1,19 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements.  See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You under the Apache License, Version 2.0
+ * (the "License"); you may not use this file except in compliance with
+ * the License.  You may obtain a copy of the License at
+ * 
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ * 
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
 #include "TransactionImpl.h"
 #include "ProducerImpl.h"
 #include <string>
diff --git a/src/main/cpp/rocketmq/include/AsyncReceiveMessageCallback.h b/src/main/cpp/rocketmq/include/AsyncReceiveMessageCallback.h
index 006ba11..59fd115 100644
--- a/src/main/cpp/rocketmq/include/AsyncReceiveMessageCallback.h
+++ b/src/main/cpp/rocketmq/include/AsyncReceiveMessageCallback.h
@@ -1,3 +1,19 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements.  See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You under the Apache License, Version 2.0
+ * (the "License"); you may not use this file except in compliance with
+ * the License.  You may obtain a copy of the License at
+ * 
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ * 
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
 #pragma once
 
 #include <functional>
diff --git a/src/main/cpp/rocketmq/include/AwaitPullCallback.h b/src/main/cpp/rocketmq/include/AwaitPullCallback.h
index d7596f0..6d79c9a 100644
--- a/src/main/cpp/rocketmq/include/AwaitPullCallback.h
+++ b/src/main/cpp/rocketmq/include/AwaitPullCallback.h
@@ -1,3 +1,19 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements.  See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You under the Apache License, Version 2.0
+ * (the "License"); you may not use this file except in compliance with
+ * the License.  You may obtain a copy of the License at
+ * 
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ * 
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
 #pragma once
 
 #include <system_error>
diff --git a/src/main/cpp/rocketmq/include/ClientImpl.h b/src/main/cpp/rocketmq/include/ClientImpl.h
index 679f7b3..f78c922 100644
--- a/src/main/cpp/rocketmq/include/ClientImpl.h
+++ b/src/main/cpp/rocketmq/include/ClientImpl.h
@@ -1,3 +1,19 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements.  See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You under the Apache License, Version 2.0
+ * (the "License"); you may not use this file except in compliance with
+ * the License.  You may obtain a copy of the License at
+ * 
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ * 
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
 #pragma once
 
 #include <atomic>
diff --git a/src/main/cpp/rocketmq/include/ClientResourceBundle.h b/src/main/cpp/rocketmq/include/ClientResourceBundle.h
index ac062ca..9788496 100644
--- a/src/main/cpp/rocketmq/include/ClientResourceBundle.h
+++ b/src/main/cpp/rocketmq/include/ClientResourceBundle.h
@@ -1,3 +1,19 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements.  See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You under the Apache License, Version 2.0
+ * (the "License"); you may not use this file except in compliance with
+ * the License.  You may obtain a copy of the License at
+ * 
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ * 
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
 #include "rocketmq/RocketMQ.h"
 
 #include <string>
diff --git a/src/main/cpp/rocketmq/include/ConsumeFifoMessageService.h b/src/main/cpp/rocketmq/include/ConsumeFifoMessageService.h
index 3ac6b12..3423ebf 100644
--- a/src/main/cpp/rocketmq/include/ConsumeFifoMessageService.h
+++ b/src/main/cpp/rocketmq/include/ConsumeFifoMessageService.h
@@ -1,3 +1,19 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements.  See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You under the Apache License, Version 2.0
+ * (the "License"); you may not use this file except in compliance with
+ * the License.  You may obtain a copy of the License at
+ * 
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ * 
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
 #include "ConsumeMessageServiceBase.h"
 
 ROCKETMQ_NAMESPACE_BEGIN
diff --git a/src/main/cpp/rocketmq/include/ConsumeMessageService.h b/src/main/cpp/rocketmq/include/ConsumeMessageService.h
index acf6cfa..abedc0f 100644
--- a/src/main/cpp/rocketmq/include/ConsumeMessageService.h
+++ b/src/main/cpp/rocketmq/include/ConsumeMessageService.h
@@ -1,3 +1,19 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements.  See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You under the Apache License, Version 2.0
+ * (the "License"); you may not use this file except in compliance with
+ * the License.  You may obtain a copy of the License at
+ * 
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ * 
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
 #pragma once
 
 #include <cstdint>
diff --git a/src/main/cpp/rocketmq/include/ConsumeMessageServiceBase.h b/src/main/cpp/rocketmq/include/ConsumeMessageServiceBase.h
index 3b883d6..821d887 100644
--- a/src/main/cpp/rocketmq/include/ConsumeMessageServiceBase.h
+++ b/src/main/cpp/rocketmq/include/ConsumeMessageServiceBase.h
@@ -1,3 +1,19 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements.  See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You under the Apache License, Version 2.0
+ * (the "License"); you may not use this file except in compliance with
+ * the License.  You may obtain a copy of the License at
+ * 
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ * 
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
 #pragma once
 
 #include <memory>
diff --git a/src/main/cpp/rocketmq/include/ConsumeStandardMessageService.h b/src/main/cpp/rocketmq/include/ConsumeStandardMessageService.h
index d7517ed..d6b5bfa 100644
--- a/src/main/cpp/rocketmq/include/ConsumeStandardMessageService.h
+++ b/src/main/cpp/rocketmq/include/ConsumeStandardMessageService.h
@@ -1,3 +1,19 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements.  See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You under the Apache License, Version 2.0
+ * (the "License"); you may not use this file except in compliance with
+ * the License.  You may obtain a copy of the License at
+ * 
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ * 
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
 #pragma once
 
 #include "ConsumeMessageServiceBase.h"
diff --git a/src/main/cpp/rocketmq/include/Consumer.h b/src/main/cpp/rocketmq/include/Consumer.h
index ee73e51..6b31063 100644
--- a/src/main/cpp/rocketmq/include/Consumer.h
+++ b/src/main/cpp/rocketmq/include/Consumer.h
@@ -1,3 +1,19 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements.  See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You under the Apache License, Version 2.0
+ * (the "License"); you may not use this file except in compliance with
+ * the License.  You may obtain a copy of the License at
+ * 
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ * 
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
 #pragma once
 
 #include "absl/container/flat_hash_map.h"
diff --git a/src/main/cpp/rocketmq/include/DynamicNameServerResolver.h b/src/main/cpp/rocketmq/include/DynamicNameServerResolver.h
index 7626bd1..b52142c 100644
--- a/src/main/cpp/rocketmq/include/DynamicNameServerResolver.h
+++ b/src/main/cpp/rocketmq/include/DynamicNameServerResolver.h
@@ -1,3 +1,19 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements.  See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You under the Apache License, Version 2.0
+ * (the "License"); you may not use this file except in compliance with
+ * the License.  You may obtain a copy of the License at
+ * 
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ * 
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
 #pragma once
 
 #include <atomic>
diff --git a/src/main/cpp/rocketmq/include/FilterExpression.h b/src/main/cpp/rocketmq/include/FilterExpression.h
index 7be3b9c..77ca68c 100644
--- a/src/main/cpp/rocketmq/include/FilterExpression.h
+++ b/src/main/cpp/rocketmq/include/FilterExpression.h
@@ -1,3 +1,19 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements.  See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You under the Apache License, Version 2.0
+ * (the "License"); you may not use this file except in compliance with
+ * the License.  You may obtain a copy of the License at
+ * 
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ * 
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
 #pragma once
 
 #include <string>
diff --git a/src/main/cpp/rocketmq/include/MessageGroupQueueSelector.h b/src/main/cpp/rocketmq/include/MessageGroupQueueSelector.h
index 1553cc9..056b1a3 100644
--- a/src/main/cpp/rocketmq/include/MessageGroupQueueSelector.h
+++ b/src/main/cpp/rocketmq/include/MessageGroupQueueSelector.h
@@ -1,3 +1,19 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements.  See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You under the Apache License, Version 2.0
+ * (the "License"); you may not use this file except in compliance with
+ * the License.  You may obtain a copy of the License at
+ * 
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ * 
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
 #pragma once
 
 #include "rocketmq/MQSelector.h"
diff --git a/src/main/cpp/rocketmq/include/NameServerResolver.h b/src/main/cpp/rocketmq/include/NameServerResolver.h
index 829d2d2..52bb345 100644
--- a/src/main/cpp/rocketmq/include/NameServerResolver.h
+++ b/src/main/cpp/rocketmq/include/NameServerResolver.h
@@ -1,3 +1,19 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements.  See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You under the Apache License, Version 2.0
+ * (the "License"); you may not use this file except in compliance with
+ * the License.  You may obtain a copy of the License at
+ * 
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ * 
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
 #pragma once
 
 #include <string>
diff --git a/src/main/cpp/rocketmq/include/ProcessQueue.h b/src/main/cpp/rocketmq/include/ProcessQueue.h
index a73b67e..dda6df6 100644
--- a/src/main/cpp/rocketmq/include/ProcessQueue.h
+++ b/src/main/cpp/rocketmq/include/ProcessQueue.h
@@ -1,3 +1,19 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements.  See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You under the Apache License, Version 2.0
+ * (the "License"); you may not use this file except in compliance with
+ * the License.  You may obtain a copy of the License at
+ * 
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ * 
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
 #pragma once
 
 #include <memory>
diff --git a/src/main/cpp/rocketmq/include/ProcessQueueImpl.h b/src/main/cpp/rocketmq/include/ProcessQueueImpl.h
index 018f9be..598dcbb 100644
--- a/src/main/cpp/rocketmq/include/ProcessQueueImpl.h
+++ b/src/main/cpp/rocketmq/include/ProcessQueueImpl.h
@@ -1,3 +1,19 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements.  See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You under the Apache License, Version 2.0
+ * (the "License"); you may not use this file except in compliance with
+ * the License.  You may obtain a copy of the License at
+ * 
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ * 
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
 #pragma once
 
 #include <apache/rocketmq/v1/definition.pb.h>
diff --git a/src/main/cpp/rocketmq/include/ProducerImpl.h b/src/main/cpp/rocketmq/include/ProducerImpl.h
index dea27a2..f4d8525 100644
--- a/src/main/cpp/rocketmq/include/ProducerImpl.h
+++ b/src/main/cpp/rocketmq/include/ProducerImpl.h
@@ -1,3 +1,19 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements.  See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You under the Apache License, Version 2.0
+ * (the "License"); you may not use this file except in compliance with
+ * the License.  You may obtain a copy of the License at
+ * 
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ * 
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
 #pragma once
 
 #include <chrono>
diff --git a/src/main/cpp/rocketmq/include/PullConsumerImpl.h b/src/main/cpp/rocketmq/include/PullConsumerImpl.h
index c009113..6be2798 100644
--- a/src/main/cpp/rocketmq/include/PullConsumerImpl.h
+++ b/src/main/cpp/rocketmq/include/PullConsumerImpl.h
@@ -1,3 +1,19 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements.  See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You under the Apache License, Version 2.0
+ * (the "License"); you may not use this file except in compliance with
+ * the License.  You may obtain a copy of the License at
+ * 
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ * 
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
 #pragma once
 
 #include <future>
diff --git a/src/main/cpp/rocketmq/include/PushConsumer.h b/src/main/cpp/rocketmq/include/PushConsumer.h
index dd78cec..e009235 100644
--- a/src/main/cpp/rocketmq/include/PushConsumer.h
+++ b/src/main/cpp/rocketmq/include/PushConsumer.h
@@ -1,3 +1,19 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements.  See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You under the Apache License, Version 2.0
+ * (the "License"); you may not use this file except in compliance with
+ * the License.  You may obtain a copy of the License at
+ * 
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ * 
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
 #pragma once
 
 #include <functional>
diff --git a/src/main/cpp/rocketmq/include/PushConsumerImpl.h b/src/main/cpp/rocketmq/include/PushConsumerImpl.h
index e695810..cbe95aa 100644
--- a/src/main/cpp/rocketmq/include/PushConsumerImpl.h
+++ b/src/main/cpp/rocketmq/include/PushConsumerImpl.h
@@ -1,3 +1,19 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements.  See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You under the Apache License, Version 2.0
+ * (the "License"); you may not use this file except in compliance with
+ * the License.  You may obtain a copy of the License at
+ * 
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ * 
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
 #pragma once
 
 #include <memory>
diff --git a/src/main/cpp/rocketmq/include/SendCallbacks.h b/src/main/cpp/rocketmq/include/SendCallbacks.h
index beff499..1681755 100644
--- a/src/main/cpp/rocketmq/include/SendCallbacks.h
+++ b/src/main/cpp/rocketmq/include/SendCallbacks.h
@@ -1,3 +1,19 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements.  See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You under the Apache License, Version 2.0
+ * (the "License"); you may not use this file except in compliance with
+ * the License.  You may obtain a copy of the License at
+ * 
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ * 
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
 #pragma once
 
 #include <memory>
diff --git a/src/main/cpp/rocketmq/include/StaticNameServerResolver.h b/src/main/cpp/rocketmq/include/StaticNameServerResolver.h
index ab955d2..fed37bc 100644
--- a/src/main/cpp/rocketmq/include/StaticNameServerResolver.h
+++ b/src/main/cpp/rocketmq/include/StaticNameServerResolver.h
@@ -1,3 +1,19 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements.  See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You under the Apache License, Version 2.0
+ * (the "License"); you may not use this file except in compliance with
+ * the License.  You may obtain a copy of the License at
+ * 
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ * 
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
 #pragma once
 
 #include <atomic>
diff --git a/src/main/cpp/rocketmq/include/StsCredentialsProviderImpl.h b/src/main/cpp/rocketmq/include/StsCredentialsProviderImpl.h
index 54c24a1..dc4c2a3 100644
--- a/src/main/cpp/rocketmq/include/StsCredentialsProviderImpl.h
+++ b/src/main/cpp/rocketmq/include/StsCredentialsProviderImpl.h
@@ -1,3 +1,19 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements.  See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You under the Apache License, Version 2.0
+ * (the "License"); you may not use this file except in compliance with
+ * the License.  You may obtain a copy of the License at
+ * 
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ * 
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
 #pragma once
 
 #include "absl/base/thread_annotations.h"
diff --git a/src/main/cpp/rocketmq/include/TransactionImpl.h b/src/main/cpp/rocketmq/include/TransactionImpl.h
index 8029605..37e50dd 100644
--- a/src/main/cpp/rocketmq/include/TransactionImpl.h
+++ b/src/main/cpp/rocketmq/include/TransactionImpl.h
@@ -1,3 +1,19 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements.  See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You under the Apache License, Version 2.0
+ * (the "License"); you may not use this file except in compliance with
+ * the License.  You may obtain a copy of the License at
+ * 
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ * 
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
 #pragma once
 
 #include <memory>
diff --git a/src/main/cpp/rocketmq/mocks/BUILD.bazel b/src/main/cpp/rocketmq/mocks/BUILD.bazel
index 541cb9b..21262fa 100644
--- a/src/main/cpp/rocketmq/mocks/BUILD.bazel
+++ b/src/main/cpp/rocketmq/mocks/BUILD.bazel
@@ -1,3 +1,19 @@
+#
+# Licensed to the Apache Software Foundation (ASF) under one or more
+# contributor license agreements.  See the NOTICE file distributed with
+# this work for additional information regarding copyright ownership.
+# The ASF licenses this file to You under the Apache License, Version 2.0
+# (the "License"); you may not use this file except in compliance with
+# the License.  You may obtain a copy of the License at
+# 
+#     http://www.apache.org/licenses/LICENSE-2.0
+# 
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+#
 load("@rules_cc//cc:defs.bzl", "cc_library")
 package(default_visibility = ["//visibility:public"])
 
diff --git a/src/main/cpp/rocketmq/mocks/include/ConsumeMessageServiceMock.h b/src/main/cpp/rocketmq/mocks/include/ConsumeMessageServiceMock.h
index c2645f3..1a1810b 100644
--- a/src/main/cpp/rocketmq/mocks/include/ConsumeMessageServiceMock.h
+++ b/src/main/cpp/rocketmq/mocks/include/ConsumeMessageServiceMock.h
@@ -1,3 +1,19 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements.  See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You under the Apache License, Version 2.0
+ * (the "License"); you may not use this file except in compliance with
+ * the License.  You may obtain a copy of the License at
+ * 
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ * 
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
 #pragma once
 
 #include "ConsumeMessageService.h"
diff --git a/src/main/cpp/rocketmq/mocks/include/ConsumerMock.h b/src/main/cpp/rocketmq/mocks/include/ConsumerMock.h
index c818458..bbd6c32 100644
--- a/src/main/cpp/rocketmq/mocks/include/ConsumerMock.h
+++ b/src/main/cpp/rocketmq/mocks/include/ConsumerMock.h
@@ -1,3 +1,19 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements.  See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You under the Apache License, Version 2.0
+ * (the "License"); you may not use this file except in compliance with
+ * the License.  You may obtain a copy of the License at
+ * 
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ * 
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
 #pragma once
 
 #include "ClientMock.h"
diff --git a/src/main/cpp/rocketmq/mocks/include/NameServerResolverMock.h b/src/main/cpp/rocketmq/mocks/include/NameServerResolverMock.h
index 89d7c7c..005d5e3 100644
--- a/src/main/cpp/rocketmq/mocks/include/NameServerResolverMock.h
+++ b/src/main/cpp/rocketmq/mocks/include/NameServerResolverMock.h
@@ -1,3 +1,19 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements.  See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You under the Apache License, Version 2.0
+ * (the "License"); you may not use this file except in compliance with
+ * the License.  You may obtain a copy of the License at
+ * 
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ * 
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
 #pragma once
 
 #include "NameServerResolver.h"
diff --git a/src/main/cpp/rocketmq/mocks/include/ProcessQueueMock.h b/src/main/cpp/rocketmq/mocks/include/ProcessQueueMock.h
index b56b2a9..56216bc 100644
--- a/src/main/cpp/rocketmq/mocks/include/ProcessQueueMock.h
+++ b/src/main/cpp/rocketmq/mocks/include/ProcessQueueMock.h
@@ -1,3 +1,19 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements.  See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You under the Apache License, Version 2.0
+ * (the "License"); you may not use this file except in compliance with
+ * the License.  You may obtain a copy of the License at
+ * 
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ * 
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
 #include "ProcessQueue.h"
 #include "gmock/gmock.h"
 
diff --git a/src/main/cpp/rocketmq/mocks/include/PushConsumerMock.h b/src/main/cpp/rocketmq/mocks/include/PushConsumerMock.h
index 00cd872..69c517c 100644
--- a/src/main/cpp/rocketmq/mocks/include/PushConsumerMock.h
+++ b/src/main/cpp/rocketmq/mocks/include/PushConsumerMock.h
@@ -1,3 +1,19 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements.  See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You under the Apache License, Version 2.0
+ * (the "License"); you may not use this file except in compliance with
+ * the License.  You may obtain a copy of the License at
+ * 
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ * 
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
 #pragma once
 
 #include <system_error>
diff --git a/src/main/cpp/scheduler/BUILD.bazel b/src/main/cpp/scheduler/BUILD.bazel
index f0b9158..9997c63 100644
--- a/src/main/cpp/scheduler/BUILD.bazel
+++ b/src/main/cpp/scheduler/BUILD.bazel
@@ -1,3 +1,19 @@
+#
+# Licensed to the Apache Software Foundation (ASF) under one or more
+# contributor license agreements.  See the NOTICE file distributed with
+# this work for additional information regarding copyright ownership.
+# The ASF licenses this file to You under the Apache License, Version 2.0
+# (the "License"); you may not use this file except in compliance with
+# the License.  You may obtain a copy of the License at
+# 
+#     http://www.apache.org/licenses/LICENSE-2.0
+# 
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+#
 load("@rules_cc//cc:defs.bzl", "cc_library")
 cc_library(
     name = "scheduler_library",
diff --git a/src/main/cpp/scheduler/SchedulerImpl.cpp b/src/main/cpp/scheduler/SchedulerImpl.cpp
index d926228..723cfca 100644
--- a/src/main/cpp/scheduler/SchedulerImpl.cpp
+++ b/src/main/cpp/scheduler/SchedulerImpl.cpp
@@ -1,3 +1,19 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements.  See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You under the Apache License, Version 2.0
+ * (the "License"); you may not use this file except in compliance with
+ * the License.  You may obtain a copy of the License at
+ * 
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ * 
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
 #include "SchedulerImpl.h"
 
 #include <atomic>
diff --git a/src/main/cpp/scheduler/include/Scheduler.h b/src/main/cpp/scheduler/include/Scheduler.h
index ab1a8f2..7f86c49 100644
--- a/src/main/cpp/scheduler/include/Scheduler.h
+++ b/src/main/cpp/scheduler/include/Scheduler.h
@@ -1,3 +1,19 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements.  See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You under the Apache License, Version 2.0
+ * (the "License"); you may not use this file except in compliance with
+ * the License.  You may obtain a copy of the License at
+ * 
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ * 
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
 #pragma once
 
 #include <chrono>
diff --git a/src/main/cpp/scheduler/include/SchedulerImpl.h b/src/main/cpp/scheduler/include/SchedulerImpl.h
index fdbe98f..01c1265 100644
--- a/src/main/cpp/scheduler/include/SchedulerImpl.h
+++ b/src/main/cpp/scheduler/include/SchedulerImpl.h
@@ -1,3 +1,19 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements.  See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You under the Apache License, Version 2.0
+ * (the "License"); you may not use this file except in compliance with
+ * the License.  You may obtain a copy of the License at
+ * 
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ * 
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
 #pragma once
 #include <atomic>
 #include <chrono>
diff --git a/src/main/cpp/tracing/exporters/BUILD.bazel b/src/main/cpp/tracing/exporters/BUILD.bazel
index a6687f4..0fee745 100644
--- a/src/main/cpp/tracing/exporters/BUILD.bazel
+++ b/src/main/cpp/tracing/exporters/BUILD.bazel
@@ -1,3 +1,19 @@
+#
+# Licensed to the Apache Software Foundation (ASF) under one or more
+# contributor license agreements.  See the NOTICE file distributed with
+# this work for additional information regarding copyright ownership.
+# The ASF licenses this file to You under the Apache License, Version 2.0
+# (the "License"); you may not use this file except in compliance with
+# the License.  You may obtain a copy of the License at
+# 
+#     http://www.apache.org/licenses/LICENSE-2.0
+# 
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+#
 load("@rules_cc//cc:defs.bzl", "cc_library")
 cc_library(
     name = "otlp_exporter",
diff --git a/src/main/cpp/tracing/exporters/OtlpExporter.cpp b/src/main/cpp/tracing/exporters/OtlpExporter.cpp
index 40f93d2..2ea70aa 100644
--- a/src/main/cpp/tracing/exporters/OtlpExporter.cpp
+++ b/src/main/cpp/tracing/exporters/OtlpExporter.cpp
@@ -1,3 +1,19 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements.  See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You under the Apache License, Version 2.0
+ * (the "License"); you may not use this file except in compliance with
+ * the License.  You may obtain a copy of the License at
+ * 
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ * 
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
 #include "OtlpExporter.h"
 #include "InvocationContext.h"
 #include "MixAll.h"
diff --git a/src/main/cpp/tracing/exporters/include/OtlpExporter.h b/src/main/cpp/tracing/exporters/include/OtlpExporter.h
index 6a39f96..5b40f7f 100644
--- a/src/main/cpp/tracing/exporters/include/OtlpExporter.h
+++ b/src/main/cpp/tracing/exporters/include/OtlpExporter.h
@@ -1,3 +1,19 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements.  See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You under the Apache License, Version 2.0
+ * (the "License"); you may not use this file except in compliance with
+ * the License.  You may obtain a copy of the License at
+ * 
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ * 
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
 #pragma once
 
 #include <algorithm>
diff --git a/src/test/cpp/benchmark/BUILD.bazel b/src/test/cpp/benchmark/BUILD.bazel
index e8aa27a..c0cabf8 100644
--- a/src/test/cpp/benchmark/BUILD.bazel
+++ b/src/test/cpp/benchmark/BUILD.bazel
@@ -1,3 +1,19 @@
+#
+# Licensed to the Apache Software Foundation (ASF) under one or more
+# contributor license agreements.  See the NOTICE file distributed with
+# this work for additional information regarding copyright ownership.
+# The ASF licenses this file to You under the Apache License, Version 2.0
+# (the "License"); you may not use this file except in compliance with
+# the License.  You may obtain a copy of the License at
+# 
+#     http://www.apache.org/licenses/LICENSE-2.0
+# 
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+#
 load("@rules_cc//cc:defs.bzl", "cc_test", "cc_binary")
 
 cc_test(
diff --git a/src/test/cpp/benchmark/BenchmarkTest.cpp b/src/test/cpp/benchmark/BenchmarkTest.cpp
index 388a5ef..fe4e15d 100644
--- a/src/test/cpp/benchmark/BenchmarkTest.cpp
+++ b/src/test/cpp/benchmark/BenchmarkTest.cpp
@@ -1,3 +1,19 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements.  See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You under the Apache License, Version 2.0
+ * (the "License"); you may not use this file except in compliance with
+ * the License.  You may obtain a copy of the License at
+ * 
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ * 
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
 #include "benchmark/benchmark.h"
 
 static void BM_StringCreation(benchmark::State& state) {
diff --git a/src/test/cpp/it/BUILD.bazel b/src/test/cpp/it/BUILD.bazel
index c2e9190..b4cabee 100644
--- a/src/test/cpp/it/BUILD.bazel
+++ b/src/test/cpp/it/BUILD.bazel
@@ -1,3 +1,19 @@
+#
+# Licensed to the Apache Software Foundation (ASF) under one or more
+# contributor license agreements.  See the NOTICE file distributed with
+# this work for additional information regarding copyright ownership.
+# The ASF licenses this file to You under the Apache License, Version 2.0
+# (the "License"); you may not use this file except in compliance with
+# the License.  You may obtain a copy of the License at
+# 
+#     http://www.apache.org/licenses/LICENSE-2.0
+# 
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+#
 load("@rules_cc//cc:defs.bzl", "cc_test")
 cc_test(
     name = "it_top_addressing",
diff --git a/src/test/cpp/it/RpcClientTest.cpp b/src/test/cpp/it/RpcClientTest.cpp
index 8b61c24..051f50d 100644
--- a/src/test/cpp/it/RpcClientTest.cpp
+++ b/src/test/cpp/it/RpcClientTest.cpp
@@ -1,3 +1,19 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements.  See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You under the Apache License, Version 2.0
+ * (the "License"); you may not use this file except in compliance with
+ * the License.  You may obtain a copy of the License at
+ * 
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ * 
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
 #include <iostream>
 #include <thread>
 #include <unordered_map>
diff --git a/src/test/cpp/it/TopAddressingTest.cpp b/src/test/cpp/it/TopAddressingTest.cpp
index ed8731a..85d3954 100644
--- a/src/test/cpp/it/TopAddressingTest.cpp
+++ b/src/test/cpp/it/TopAddressingTest.cpp
@@ -1,3 +1,19 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements.  See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You under the Apache License, Version 2.0
+ * (the "License"); you may not use this file except in compliance with
+ * the License.  You may obtain a copy of the License at
+ * 
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ * 
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
 #include <atomic>
 #include <chrono>
 #include <cstdlib>
diff --git a/src/test/cpp/it/TopicPublishInfoTest.cpp b/src/test/cpp/it/TopicPublishInfoTest.cpp
index c7a2d60..1f49725 100644
--- a/src/test/cpp/it/TopicPublishInfoTest.cpp
+++ b/src/test/cpp/it/TopicPublishInfoTest.cpp
@@ -1,3 +1,19 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements.  See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You under the Apache License, Version 2.0
+ * (the "License"); you may not use this file except in compliance with
+ * the License.  You may obtain a copy of the License at
+ * 
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ * 
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
 #include "TopicPublishInfo.h"
 #include "ClientConfigImpl.h"
 #include "LogInterceptorFactory.h"
diff --git a/src/test/cpp/ut/BUILD.bazel b/src/test/cpp/ut/BUILD.bazel
new file mode 100644
index 0000000..2695ae2
--- /dev/null
+++ b/src/test/cpp/ut/BUILD.bazel
@@ -0,0 +1,17 @@
+#
+# Licensed to the Apache Software Foundation (ASF) under one or more
+# contributor license agreements.  See the NOTICE file distributed with
+# this work for additional information regarding copyright ownership.
+# The ASF licenses this file to You under the Apache License, Version 2.0
+# (the "License"); you may not use this file except in compliance with
+# the License.  You may obtain a copy of the License at
+# 
+#     http://www.apache.org/licenses/LICENSE-2.0
+# 
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+#
+load("@rules_cc//cc:defs.bzl", "cc_test", "cc_binary")
\ No newline at end of file
diff --git a/src/test/cpp/ut/admin/AdminServerTest.cpp b/src/test/cpp/ut/admin/AdminServerTest.cpp
index 684447b..8cd0050 100644
--- a/src/test/cpp/ut/admin/AdminServerTest.cpp
+++ b/src/test/cpp/ut/admin/AdminServerTest.cpp
@@ -1,3 +1,19 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements.  See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You under the Apache License, Version 2.0
+ * (the "License"); you may not use this file except in compliance with
+ * the License.  You may obtain a copy of the License at
+ * 
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ * 
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
 #include <gtest/gtest.h>
 
 #include "AdminServerImpl.h"
diff --git a/src/test/cpp/ut/admin/BUILD.bazel b/src/test/cpp/ut/admin/BUILD.bazel
index 8a2cc7f..8fe13fc 100644
--- a/src/test/cpp/ut/admin/BUILD.bazel
+++ b/src/test/cpp/ut/admin/BUILD.bazel
@@ -1,3 +1,19 @@
+#
+# Licensed to the Apache Software Foundation (ASF) under one or more
+# contributor license agreements.  See the NOTICE file distributed with
+# this work for additional information regarding copyright ownership.
+# The ASF licenses this file to You under the Apache License, Version 2.0
+# (the "License"); you may not use this file except in compliance with
+# the License.  You may obtain a copy of the License at
+# 
+#     http://www.apache.org/licenses/LICENSE-2.0
+# 
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+#
 load("@rules_cc//cc:defs.bzl", "cc_test")
 
 cc_test(
diff --git a/src/test/cpp/ut/api/BUILD.bazel b/src/test/cpp/ut/api/BUILD.bazel
index eda5f4b..78f575f 100644
--- a/src/test/cpp/ut/api/BUILD.bazel
+++ b/src/test/cpp/ut/api/BUILD.bazel
@@ -1,3 +1,19 @@
+#
+# Licensed to the Apache Software Foundation (ASF) under one or more
+# contributor license agreements.  See the NOTICE file distributed with
+# this work for additional information regarding copyright ownership.
+# The ASF licenses this file to You under the Apache License, Version 2.0
+# (the "License"); you may not use this file except in compliance with
+# the License.  You may obtain a copy of the License at
+# 
+#     http://www.apache.org/licenses/LICENSE-2.0
+# 
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+#
 load("@rules_cc//cc:defs.bzl", "cc_test")
 
 cc_test(
diff --git a/src/test/cpp/ut/api/ErrorCodeTest.cpp b/src/test/cpp/ut/api/ErrorCodeTest.cpp
index 42b525f..68badd2 100644
--- a/src/test/cpp/ut/api/ErrorCodeTest.cpp
+++ b/src/test/cpp/ut/api/ErrorCodeTest.cpp
@@ -1,3 +1,19 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements.  See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You under the Apache License, Version 2.0
+ * (the "License"); you may not use this file except in compliance with
+ * the License.  You may obtain a copy of the License at
+ * 
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ * 
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
 #include "rocketmq/ErrorCode.h"
 #include "gtest/gtest.h"
 #include <system_error>
diff --git a/src/test/cpp/ut/base/BUILD.bazel b/src/test/cpp/ut/base/BUILD.bazel
index 3e60c18..092ef78 100644
--- a/src/test/cpp/ut/base/BUILD.bazel
+++ b/src/test/cpp/ut/base/BUILD.bazel
@@ -1,3 +1,19 @@
+#
+# Licensed to the Apache Software Foundation (ASF) under one or more
+# contributor license agreements.  See the NOTICE file distributed with
+# this work for additional information regarding copyright ownership.
+# The ASF licenses this file to You under the Apache License, Version 2.0
+# (the "License"); you may not use this file except in compliance with
+# the License.  You may obtain a copy of the License at
+# 
+#     http://www.apache.org/licenses/LICENSE-2.0
+# 
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+#
 load("@rules_cc//cc:defs.bzl", "cc_test")
 cc_test(
     name = "histogram_test",
diff --git a/src/test/cpp/ut/base/HistogramTest.cpp b/src/test/cpp/ut/base/HistogramTest.cpp
index 279c74b..613e0a2 100644
--- a/src/test/cpp/ut/base/HistogramTest.cpp
+++ b/src/test/cpp/ut/base/HistogramTest.cpp
@@ -1,3 +1,19 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements.  See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You under the Apache License, Version 2.0
+ * (the "License"); you may not use this file except in compliance with
+ * the License.  You may obtain a copy of the License at
+ * 
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ * 
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
 #include "Histogram.h"
 #include <gtest/gtest.h>
 
diff --git a/src/test/cpp/ut/base/HostInfoTest.cpp b/src/test/cpp/ut/base/HostInfoTest.cpp
index fd1b8ab..d106061 100644
--- a/src/test/cpp/ut/base/HostInfoTest.cpp
+++ b/src/test/cpp/ut/base/HostInfoTest.cpp
@@ -1,3 +1,19 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements.  See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You under the Apache License, Version 2.0
+ * (the "License"); you may not use this file except in compliance with
+ * the License.  You may obtain a copy of the License at
+ * 
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ * 
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
 #include "HostInfo.h"
 #include "fmt/format.h"
 #include "rocketmq/RocketMQ.h"
diff --git a/src/test/cpp/ut/base/HttpClientTest.cpp b/src/test/cpp/ut/base/HttpClientTest.cpp
index ce1290e..9a5df56 100644
--- a/src/test/cpp/ut/base/HttpClientTest.cpp
+++ b/src/test/cpp/ut/base/HttpClientTest.cpp
@@ -1,3 +1,19 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements.  See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You under the Apache License, Version 2.0
+ * (the "License"); you may not use this file except in compliance with
+ * the License.  You may obtain a copy of the License at
+ * 
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ * 
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
 #include <chrono>
 #include <iostream>
 #include <string>
diff --git a/src/test/cpp/ut/base/InvocationContextTest.cpp b/src/test/cpp/ut/base/InvocationContextTest.cpp
index 9f94e1e..25efffd 100644
--- a/src/test/cpp/ut/base/InvocationContextTest.cpp
+++ b/src/test/cpp/ut/base/InvocationContextTest.cpp
@@ -1,3 +1,19 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements.  See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You under the Apache License, Version 2.0
+ * (the "License"); you may not use this file except in compliance with
+ * the License.  You may obtain a copy of the License at
+ * 
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ * 
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
 #include "InvocationContext.h"
 #include "RpcClient.h"
 #include "gtest/gtest.h"
diff --git a/src/test/cpp/ut/base/MQMessageExtTest.cpp b/src/test/cpp/ut/base/MQMessageExtTest.cpp
index aa2d8b1..32575a0 100644
--- a/src/test/cpp/ut/base/MQMessageExtTest.cpp
+++ b/src/test/cpp/ut/base/MQMessageExtTest.cpp
@@ -1,3 +1,19 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements.  See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You under the Apache License, Version 2.0
+ * (the "License"); you may not use this file except in compliance with
+ * the License.  You may obtain a copy of the License at
+ * 
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ * 
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
 #include "rocketmq/MQMessageExt.h"
 #include "MessageAccessor.h"
 #include "rocketmq/MQMessage.h"
diff --git a/src/test/cpp/ut/base/MQMessageTest.cpp b/src/test/cpp/ut/base/MQMessageTest.cpp
index 1c76a87..4b018d6 100644
--- a/src/test/cpp/ut/base/MQMessageTest.cpp
+++ b/src/test/cpp/ut/base/MQMessageTest.cpp
@@ -1,3 +1,19 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements.  See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You under the Apache License, Version 2.0
+ * (the "License"); you may not use this file except in compliance with
+ * the License.  You may obtain a copy of the License at
+ * 
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ * 
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
 #include "rocketmq/MQMessage.h"
 #include "gtest/gtest.h"
 #include <cstring>
diff --git a/src/test/cpp/ut/base/MixAllTest.cpp b/src/test/cpp/ut/base/MixAllTest.cpp
index ee8b281..b61f670 100644
--- a/src/test/cpp/ut/base/MixAllTest.cpp
+++ b/src/test/cpp/ut/base/MixAllTest.cpp
@@ -1,3 +1,19 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements.  See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You under the Apache License, Version 2.0
+ * (the "License"); you may not use this file except in compliance with
+ * the License.  You may obtain a copy of the License at
+ * 
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ * 
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
 #include "MixAll.h"
 #include "rocketmq/MQMessage.h"
 #include "rocketmq/RocketMQ.h"
diff --git a/src/test/cpp/ut/base/RateLimiterTest.cpp b/src/test/cpp/ut/base/RateLimiterTest.cpp
index bc504b2..97726a5 100644
--- a/src/test/cpp/ut/base/RateLimiterTest.cpp
+++ b/src/test/cpp/ut/base/RateLimiterTest.cpp
@@ -1,3 +1,19 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements.  See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You under the Apache License, Version 2.0
+ * (the "License"); you may not use this file except in compliance with
+ * the License.  You may obtain a copy of the License at
+ * 
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ * 
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
 #include "RateLimiter.h"
 #include "rocketmq/RocketMQ.h"
 #include "gtest/gtest.h"
diff --git a/src/test/cpp/ut/base/ThreadPoolTest.cpp b/src/test/cpp/ut/base/ThreadPoolTest.cpp
index 64d9f5e..9be1ed7 100644
--- a/src/test/cpp/ut/base/ThreadPoolTest.cpp
+++ b/src/test/cpp/ut/base/ThreadPoolTest.cpp
@@ -1,3 +1,19 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements.  See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You under the Apache License, Version 2.0
+ * (the "License"); you may not use this file except in compliance with
+ * the License.  You may obtain a copy of the License at
+ * 
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ * 
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
 #include "ThreadPoolImpl.h"
 #include "absl/memory/memory.h"
 #include "absl/synchronization/mutex.h"
diff --git a/src/test/cpp/ut/base/TopAddressingTest.cpp b/src/test/cpp/ut/base/TopAddressingTest.cpp
index 1e4d869..a2a5652 100644
--- a/src/test/cpp/ut/base/TopAddressingTest.cpp
+++ b/src/test/cpp/ut/base/TopAddressingTest.cpp
@@ -1,3 +1,19 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements.  See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You under the Apache License, Version 2.0
+ * (the "License"); you may not use this file except in compliance with
+ * the License.  You may obtain a copy of the License at
+ * 
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ * 
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
 #include <memory>
 #include <string>
 #include <utility>
diff --git a/src/test/cpp/ut/base/UniqueIdGeneratorTest.cpp b/src/test/cpp/ut/base/UniqueIdGeneratorTest.cpp
index 58dee24..dbafdea 100644
--- a/src/test/cpp/ut/base/UniqueIdGeneratorTest.cpp
+++ b/src/test/cpp/ut/base/UniqueIdGeneratorTest.cpp
@@ -1,3 +1,19 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements.  See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You under the Apache License, Version 2.0
+ * (the "License"); you may not use this file except in compliance with
+ * the License.  You may obtain a copy of the License at
+ * 
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ * 
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
 #include "UniqueIdGenerator.h"
 #include "absl/container/flat_hash_set.h"
 #include "rocketmq/RocketMQ.h"
diff --git a/src/test/cpp/ut/base/UtilAllTest.cpp b/src/test/cpp/ut/base/UtilAllTest.cpp
index 5c73544..a142dde 100644
--- a/src/test/cpp/ut/base/UtilAllTest.cpp
+++ b/src/test/cpp/ut/base/UtilAllTest.cpp
@@ -1,3 +1,19 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements.  See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You under the Apache License, Version 2.0
+ * (the "License"); you may not use this file except in compliance with
+ * the License.  You may obtain a copy of the License at
+ * 
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ * 
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
 #include "UtilAll.h"
 #include "MixAll.h"
 #include "absl/strings/str_split.h"
diff --git a/src/test/cpp/ut/client/BUILD.bazel b/src/test/cpp/ut/client/BUILD.bazel
index 4d8eeb9..b0757cb 100644
--- a/src/test/cpp/ut/client/BUILD.bazel
+++ b/src/test/cpp/ut/client/BUILD.bazel
@@ -1,3 +1,19 @@
+#
+# Licensed to the Apache Software Foundation (ASF) under one or more
+# contributor license agreements.  See the NOTICE file distributed with
+# this work for additional information regarding copyright ownership.
+# The ASF licenses this file to You under the Apache License, Version 2.0
+# (the "License"); you may not use this file except in compliance with
+# the License.  You may obtain a copy of the License at
+# 
+#     http://www.apache.org/licenses/LICENSE-2.0
+# 
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+#
 load("@rules_cc//cc:defs.bzl", "cc_test")
 cc_test(
     name = "tls_helper_test",
diff --git a/src/test/cpp/ut/client/ClientManagerFactoryTest.cpp b/src/test/cpp/ut/client/ClientManagerFactoryTest.cpp
index 5e93636..7c182ed 100644
--- a/src/test/cpp/ut/client/ClientManagerFactoryTest.cpp
+++ b/src/test/cpp/ut/client/ClientManagerFactoryTest.cpp
@@ -1,3 +1,19 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements.  See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You under the Apache License, Version 2.0
+ * (the "License"); you may not use this file except in compliance with
+ * the License.  You may obtain a copy of the License at
+ * 
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ * 
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
 #include "ClientManagerFactory.h"
 #include "ClientConfigMock.h"
 #include "gtest/gtest.h"
diff --git a/src/test/cpp/ut/client/ClientManagerTest.cpp b/src/test/cpp/ut/client/ClientManagerTest.cpp
index f1c1e2a..4dc8c5d 100644
--- a/src/test/cpp/ut/client/ClientManagerTest.cpp
+++ b/src/test/cpp/ut/client/ClientManagerTest.cpp
@@ -1,3 +1,19 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements.  See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You under the Apache License, Version 2.0
+ * (the "License"); you may not use this file except in compliance with
+ * the License.  You may obtain a copy of the License at
+ * 
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ * 
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
 #include "ClientManagerImpl.h"
 #include "ReceiveMessageCallbackMock.h"
 #include "RpcClientMock.h"
diff --git a/src/test/cpp/ut/client/ClientTest.cpp b/src/test/cpp/ut/client/ClientTest.cpp
index 098789f..d67bec2 100644
--- a/src/test/cpp/ut/client/ClientTest.cpp
+++ b/src/test/cpp/ut/client/ClientTest.cpp
@@ -1,3 +1,19 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements.  See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You under the Apache License, Version 2.0
+ * (the "License"); you may not use this file except in compliance with
+ * the License.  You may obtain a copy of the License at
+ * 
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ * 
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
 #include "ClientMock.h"
 #include "rocketmq/RocketMQ.h"
 #include "gtest/gtest.h"
diff --git a/src/test/cpp/ut/client/RpcClientTest.cpp b/src/test/cpp/ut/client/RpcClientTest.cpp
index b4d841d..77d9a8c 100644
--- a/src/test/cpp/ut/client/RpcClientTest.cpp
+++ b/src/test/cpp/ut/client/RpcClientTest.cpp
@@ -1,3 +1,19 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements.  See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You under the Apache License, Version 2.0
+ * (the "License"); you may not use this file except in compliance with
+ * the License.  You may obtain a copy of the License at
+ * 
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ * 
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
 #include "RpcClientMock.h"
 
 #include "google/rpc/code.pb.h"
diff --git a/src/test/cpp/ut/client/TlsHelperTest.cpp b/src/test/cpp/ut/client/TlsHelperTest.cpp
index 845f841..ea834ee 100644
--- a/src/test/cpp/ut/client/TlsHelperTest.cpp
+++ b/src/test/cpp/ut/client/TlsHelperTest.cpp
@@ -1,3 +1,19 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements.  See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You under the Apache License, Version 2.0
+ * (the "License"); you may not use this file except in compliance with
+ * the License.  You may obtain a copy of the License at
+ * 
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ * 
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
 #include "TlsHelper.h"
 #include <gtest/gtest.h>
 #include <string>
diff --git a/src/test/cpp/ut/client/TopicAssignmentInfoTest.cpp b/src/test/cpp/ut/client/TopicAssignmentInfoTest.cpp
index 521ea64..ee8ea7e 100644
--- a/src/test/cpp/ut/client/TopicAssignmentInfoTest.cpp
+++ b/src/test/cpp/ut/client/TopicAssignmentInfoTest.cpp
@@ -1,3 +1,19 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements.  See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You under the Apache License, Version 2.0
+ * (the "License"); you may not use this file except in compliance with
+ * the License.  You may obtain a copy of the License at
+ * 
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ * 
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
 #include "TopicAssignmentInfo.h"
 #include "rocketmq/ConsumeType.h"
 #include "gtest/gtest.h"
diff --git a/src/test/cpp/ut/client/TracingUtilityTest.cpp b/src/test/cpp/ut/client/TracingUtilityTest.cpp
index de46b79..b47bb0c 100644
--- a/src/test/cpp/ut/client/TracingUtilityTest.cpp
+++ b/src/test/cpp/ut/client/TracingUtilityTest.cpp
@@ -1,3 +1,19 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements.  See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You under the Apache License, Version 2.0
+ * (the "License"); you may not use this file except in compliance with
+ * the License.  You may obtain a copy of the License at
+ * 
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ * 
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
 #include "TracingUtility.h"
 #include "gtest/gtest.h"
 #include <iostream>
diff --git a/src/test/cpp/ut/concurrent/BUILD.bazel b/src/test/cpp/ut/concurrent/BUILD.bazel
index 993fe1f..00e4ad8 100644
--- a/src/test/cpp/ut/concurrent/BUILD.bazel
+++ b/src/test/cpp/ut/concurrent/BUILD.bazel
@@ -1,3 +1,19 @@
+#
+# Licensed to the Apache Software Foundation (ASF) under one or more
+# contributor license agreements.  See the NOTICE file distributed with
+# this work for additional information regarding copyright ownership.
+# The ASF licenses this file to You under the Apache License, Version 2.0
+# (the "License"); you may not use this file except in compliance with
+# the License.  You may obtain a copy of the License at
+# 
+#     http://www.apache.org/licenses/LICENSE-2.0
+# 
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+#
 load("@rules_cc//cc:defs.bzl", "cc_test")
 cc_test(
     name = "countdown_latch_test",
diff --git a/src/test/cpp/ut/concurrent/CountdownLatchTest.cpp b/src/test/cpp/ut/concurrent/CountdownLatchTest.cpp
index 4b9d47e..6545b0a 100644
--- a/src/test/cpp/ut/concurrent/CountdownLatchTest.cpp
+++ b/src/test/cpp/ut/concurrent/CountdownLatchTest.cpp
@@ -1,3 +1,19 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements.  See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You under the Apache License, Version 2.0
+ * (the "License"); you may not use this file except in compliance with
+ * the License.  You may obtain a copy of the License at
+ * 
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ * 
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
 #include "CountdownLatch.h"
 #include "rocketmq/RocketMQ.h"
 #include "spdlog/spdlog.h"
diff --git a/src/test/cpp/ut/grpc/BUILD.bazel b/src/test/cpp/ut/grpc/BUILD.bazel
index 6194131..1383d88 100644
--- a/src/test/cpp/ut/grpc/BUILD.bazel
+++ b/src/test/cpp/ut/grpc/BUILD.bazel
@@ -1,3 +1,19 @@
+#
+# Licensed to the Apache Software Foundation (ASF) under one or more
+# contributor license agreements.  See the NOTICE file distributed with
+# this work for additional information regarding copyright ownership.
+# The ASF licenses this file to You under the Apache License, Version 2.0
+# (the "License"); you may not use this file except in compliance with
+# the License.  You may obtain a copy of the License at
+# 
+#     http://www.apache.org/licenses/LICENSE-2.0
+# 
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+#
 load("@rules_cc//cc:defs.bzl", "cc_test")
 cc_test(
     name = "grpc_thread_pool_test",
diff --git a/src/test/cpp/ut/grpc/GrpcThreadPoolTest.cpp b/src/test/cpp/ut/grpc/GrpcThreadPoolTest.cpp
index 1d5ff71..815dfef 100644
--- a/src/test/cpp/ut/grpc/GrpcThreadPoolTest.cpp
+++ b/src/test/cpp/ut/grpc/GrpcThreadPoolTest.cpp
@@ -1,3 +1,19 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements.  See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You under the Apache License, Version 2.0
+ * (the "License"); you may not use this file except in compliance with
+ * the License.  You may obtain a copy of the License at
+ * 
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ * 
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
 #include "absl/memory/memory.h"
 #include "absl/synchronization/mutex.h"
 #include "rocketmq/RocketMQ.h"
diff --git a/src/test/cpp/ut/grpc/GrpcTimer.cpp b/src/test/cpp/ut/grpc/GrpcTimer.cpp
index ebb9ca0..7be1ce7 100644
--- a/src/test/cpp/ut/grpc/GrpcTimer.cpp
+++ b/src/test/cpp/ut/grpc/GrpcTimer.cpp
@@ -1,3 +1,19 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements.  See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You under the Apache License, Version 2.0
+ * (the "License"); you may not use this file except in compliance with
+ * the License.  You may obtain a copy of the License at
+ * 
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ * 
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
 
 #include "absl/time/time.h"
 #include "grpc/grpc.h"
diff --git a/src/test/cpp/ut/logger/BUILD.bazel b/src/test/cpp/ut/logger/BUILD.bazel
index 1f092b6..7d51c3c 100644
--- a/src/test/cpp/ut/logger/BUILD.bazel
+++ b/src/test/cpp/ut/logger/BUILD.bazel
@@ -1,3 +1,19 @@
+#
+# Licensed to the Apache Software Foundation (ASF) under one or more
+# contributor license agreements.  See the NOTICE file distributed with
+# this work for additional information regarding copyright ownership.
+# The ASF licenses this file to You under the Apache License, Version 2.0
+# (the "License"); you may not use this file except in compliance with
+# the License.  You may obtain a copy of the License at
+# 
+#     http://www.apache.org/licenses/LICENSE-2.0
+# 
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+#
 load("@rules_cc//cc:defs.bzl", "cc_test")
 
 cc_test(
diff --git a/src/test/cpp/ut/logger/LoggerTest.cpp b/src/test/cpp/ut/logger/LoggerTest.cpp
index e48b7cb..bfc474b 100644
--- a/src/test/cpp/ut/logger/LoggerTest.cpp
+++ b/src/test/cpp/ut/logger/LoggerTest.cpp
@@ -1,3 +1,19 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements.  See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You under the Apache License, Version 2.0
+ * (the "License"); you may not use this file except in compliance with
+ * the License.  You may obtain a copy of the License at
+ * 
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ * 
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
 #include "rocketmq/Logger.h"
 #include "LoggerImpl.h"
 #include "rocketmq/RocketMQ.h"
diff --git a/src/test/cpp/ut/remoting/BUILD.bazel b/src/test/cpp/ut/remoting/BUILD.bazel
index c0dacd1..6820197 100644
--- a/src/test/cpp/ut/remoting/BUILD.bazel
+++ b/src/test/cpp/ut/remoting/BUILD.bazel
@@ -1,3 +1,19 @@
+#
+# Licensed to the Apache Software Foundation (ASF) under one or more
+# contributor license agreements.  See the NOTICE file distributed with
+# this work for additional information regarding copyright ownership.
+# The ASF licenses this file to You under the Apache License, Version 2.0
+# (the "License"); you may not use this file except in compliance with
+# the License.  You may obtain a copy of the License at
+# 
+#     http://www.apache.org/licenses/LICENSE-2.0
+# 
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+#
 load("@rules_cc//cc:defs.bzl", "cc_test")
 
 cc_test(
diff --git a/src/test/cpp/ut/remoting/BrokerDataTest.cpp b/src/test/cpp/ut/remoting/BrokerDataTest.cpp
index 168203c..03d7fee 100644
--- a/src/test/cpp/ut/remoting/BrokerDataTest.cpp
+++ b/src/test/cpp/ut/remoting/BrokerDataTest.cpp
@@ -1,3 +1,19 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements.  See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You under the Apache License, Version 2.0
+ * (the "License"); you may not use this file except in compliance with
+ * the License.  You may obtain a copy of the License at
+ * 
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ * 
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
 #include "BrokerData.h"
 
 #include <iostream>
diff --git a/src/test/cpp/ut/remoting/QueryRouteRequestHeaderTest.cpp b/src/test/cpp/ut/remoting/QueryRouteRequestHeaderTest.cpp
index b80a77a..81ed4dd 100644
--- a/src/test/cpp/ut/remoting/QueryRouteRequestHeaderTest.cpp
+++ b/src/test/cpp/ut/remoting/QueryRouteRequestHeaderTest.cpp
@@ -1,3 +1,19 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements.  See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You under the Apache License, Version 2.0
+ * (the "License"); you may not use this file except in compliance with
+ * the License.  You may obtain a copy of the License at
+ * 
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ * 
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
 #include "QueryRouteRequestHeader.h"
 
 #include "gtest/gtest.h"
diff --git a/src/test/cpp/ut/remoting/QueueDataTest.cpp b/src/test/cpp/ut/remoting/QueueDataTest.cpp
index 936a688..dbf8de9 100644
--- a/src/test/cpp/ut/remoting/QueueDataTest.cpp
+++ b/src/test/cpp/ut/remoting/QueueDataTest.cpp
@@ -1,3 +1,19 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements.  See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You under the Apache License, Version 2.0
+ * (the "License"); you may not use this file except in compliance with
+ * the License.  You may obtain a copy of the License at
+ * 
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ * 
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
 #include "gtest/gtest.h"
 
 #include "QueueData.h"
diff --git a/src/test/cpp/ut/remoting/RemotingCommandTest.cpp b/src/test/cpp/ut/remoting/RemotingCommandTest.cpp
index 088fa87..7a76a06 100644
--- a/src/test/cpp/ut/remoting/RemotingCommandTest.cpp
+++ b/src/test/cpp/ut/remoting/RemotingCommandTest.cpp
@@ -1,3 +1,19 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements.  See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You under the Apache License, Version 2.0
+ * (the "License"); you may not use this file except in compliance with
+ * the License.  You may obtain a copy of the License at
+ * 
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ * 
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
 #include "RemotingCommand.h"
 
 #include <cstdint>
diff --git a/src/test/cpp/ut/remoting/TopicRouteDataTest.cpp b/src/test/cpp/ut/remoting/TopicRouteDataTest.cpp
index 3a11d87..f7f9dee 100644
--- a/src/test/cpp/ut/remoting/TopicRouteDataTest.cpp
+++ b/src/test/cpp/ut/remoting/TopicRouteDataTest.cpp
@@ -1,3 +1,19 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements.  See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You under the Apache License, Version 2.0
+ * (the "License"); you may not use this file except in compliance with
+ * the License.  You may obtain a copy of the License at
+ * 
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ * 
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
 #include "TopicRouteData.h"
 #include "rocketmq/RocketMQ.h"
 #include "gtest/gtest.h"
diff --git a/src/test/cpp/ut/rocketmq/AwaitPullCallbackTest.cpp b/src/test/cpp/ut/rocketmq/AwaitPullCallbackTest.cpp
index b286271..3c7800c 100644
--- a/src/test/cpp/ut/rocketmq/AwaitPullCallbackTest.cpp
+++ b/src/test/cpp/ut/rocketmq/AwaitPullCallbackTest.cpp
@@ -1,3 +1,19 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements.  See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You under the Apache License, Version 2.0
+ * (the "License"); you may not use this file except in compliance with
+ * the License.  You may obtain a copy of the License at
+ * 
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ * 
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
 #include <system_error>
 #include <thread>
 
diff --git a/src/test/cpp/ut/rocketmq/BUILD.bazel b/src/test/cpp/ut/rocketmq/BUILD.bazel
index b1fce27..0fcfa1b 100644
--- a/src/test/cpp/ut/rocketmq/BUILD.bazel
+++ b/src/test/cpp/ut/rocketmq/BUILD.bazel
@@ -1,3 +1,19 @@
+#
+# Licensed to the Apache Software Foundation (ASF) under one or more
+# contributor license agreements.  See the NOTICE file distributed with
+# this work for additional information regarding copyright ownership.
+# The ASF licenses this file to You under the Apache License, Version 2.0
+# (the "License"); you may not use this file except in compliance with
+# the License.  You may obtain a copy of the License at
+# 
+#     http://www.apache.org/licenses/LICENSE-2.0
+# 
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+#
 load("@rules_cc//cc:defs.bzl", "cc_test", "cc_library")
 
 cc_test(
diff --git a/src/test/cpp/ut/rocketmq/ClientImplTest.cpp b/src/test/cpp/ut/rocketmq/ClientImplTest.cpp
index 6ac3a01..58d5027 100644
--- a/src/test/cpp/ut/rocketmq/ClientImplTest.cpp
+++ b/src/test/cpp/ut/rocketmq/ClientImplTest.cpp
@@ -1,3 +1,19 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements.  See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You under the Apache License, Version 2.0
+ * (the "License"); you may not use this file except in compliance with
+ * the License.  You may obtain a copy of the License at
+ * 
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ * 
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
 #include <chrono>
 #include <memory>
 #include <string>
diff --git a/src/test/cpp/ut/rocketmq/ConsumeStandardMessageServiceTest.cpp b/src/test/cpp/ut/rocketmq/ConsumeStandardMessageServiceTest.cpp
index 5215ddb..a139e4f 100644
--- a/src/test/cpp/ut/rocketmq/ConsumeStandardMessageServiceTest.cpp
+++ b/src/test/cpp/ut/rocketmq/ConsumeStandardMessageServiceTest.cpp
@@ -1,3 +1,19 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements.  See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You under the Apache License, Version 2.0
+ * (the "License"); you may not use this file except in compliance with
+ * the License.  You may obtain a copy of the License at
+ * 
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ * 
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
 #include "ConsumeStandardMessageService.h"
 #include "MessageListenerMock.h"
 #include "ProcessQueueMock.h"
diff --git a/src/test/cpp/ut/rocketmq/ConsumerTest.cpp b/src/test/cpp/ut/rocketmq/ConsumerTest.cpp
index c2d5b72..a8d6d5b 100644
--- a/src/test/cpp/ut/rocketmq/ConsumerTest.cpp
+++ b/src/test/cpp/ut/rocketmq/ConsumerTest.cpp
@@ -1,3 +1,19 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements.  See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You under the Apache License, Version 2.0
+ * (the "License"); you may not use this file except in compliance with
+ * the License.  You may obtain a copy of the License at
+ * 
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ * 
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
 #include "ConsumerMock.h"
 #include "gmock/gmock.h"
 #include "gtest/gtest.h"
diff --git a/src/test/cpp/ut/rocketmq/CredentialsProviderTest.cpp b/src/test/cpp/ut/rocketmq/CredentialsProviderTest.cpp
index 859d6f5..6d23bf8 100644
--- a/src/test/cpp/ut/rocketmq/CredentialsProviderTest.cpp
+++ b/src/test/cpp/ut/rocketmq/CredentialsProviderTest.cpp
@@ -1,3 +1,19 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements.  See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You under the Apache License, Version 2.0
+ * (the "License"); you may not use this file except in compliance with
+ * the License.  You may obtain a copy of the License at
+ * 
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ * 
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
 #include "rocketmq/CredentialsProvider.h"
 #include "MixAll.h"
 #include "ghc/filesystem.hpp"
diff --git a/src/test/cpp/ut/rocketmq/DefaultMQProducerTest.cpp b/src/test/cpp/ut/rocketmq/DefaultMQProducerTest.cpp
index 81b07b1..a5247ac 100644
--- a/src/test/cpp/ut/rocketmq/DefaultMQProducerTest.cpp
+++ b/src/test/cpp/ut/rocketmq/DefaultMQProducerTest.cpp
@@ -1,3 +1,19 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements.  See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You under the Apache License, Version 2.0
+ * (the "License"); you may not use this file except in compliance with
+ * the License.  You may obtain a copy of the License at
+ * 
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ * 
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
 #include "rocketmq/DefaultMQProducer.h"
 
 #include <memory>
diff --git a/src/test/cpp/ut/rocketmq/DefaultMQPushConsumerTest.cpp b/src/test/cpp/ut/rocketmq/DefaultMQPushConsumerTest.cpp
index 32f6cef..3b8c793 100644
--- a/src/test/cpp/ut/rocketmq/DefaultMQPushConsumerTest.cpp
+++ b/src/test/cpp/ut/rocketmq/DefaultMQPushConsumerTest.cpp
@@ -1,3 +1,19 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements.  See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You under the Apache License, Version 2.0
+ * (the "License"); you may not use this file except in compliance with
+ * the License.  You may obtain a copy of the License at
+ * 
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ * 
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
 #include "rocketmq/DefaultMQPushConsumer.h"
 
 #include "gtest/gtest.h"
diff --git a/src/test/cpp/ut/rocketmq/DynamicNameServerResolverTest.cpp b/src/test/cpp/ut/rocketmq/DynamicNameServerResolverTest.cpp
index 3aef9df..40c559a 100644
--- a/src/test/cpp/ut/rocketmq/DynamicNameServerResolverTest.cpp
+++ b/src/test/cpp/ut/rocketmq/DynamicNameServerResolverTest.cpp
@@ -1,3 +1,19 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements.  See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You under the Apache License, Version 2.0
+ * (the "License"); you may not use this file except in compliance with
+ * the License.  You may obtain a copy of the License at
+ * 
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ * 
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
 #include "DynamicNameServerResolver.h"
 
 #include <chrono>
diff --git a/src/test/cpp/ut/rocketmq/ExecutorTest.cpp b/src/test/cpp/ut/rocketmq/ExecutorTest.cpp
index b64eaa9..baf8852 100644
--- a/src/test/cpp/ut/rocketmq/ExecutorTest.cpp
+++ b/src/test/cpp/ut/rocketmq/ExecutorTest.cpp
@@ -1,3 +1,19 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements.  See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You under the Apache License, Version 2.0
+ * (the "License"); you may not use this file except in compliance with
+ * the License.  You may obtain a copy of the License at
+ * 
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ * 
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
 #include "rocketmq/RocketMQ.h"
 #include "rocketmq/State.h"
 #include "gtest/gtest.h"
diff --git a/src/test/cpp/ut/rocketmq/FilterExpressionTest.cpp b/src/test/cpp/ut/rocketmq/FilterExpressionTest.cpp
index 5685c3e..d193944 100644
--- a/src/test/cpp/ut/rocketmq/FilterExpressionTest.cpp
+++ b/src/test/cpp/ut/rocketmq/FilterExpressionTest.cpp
@@ -1,3 +1,19 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements.  See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You under the Apache License, Version 2.0
+ * (the "License"); you may not use this file except in compliance with
+ * the License.  You may obtain a copy of the License at
+ * 
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ * 
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
 #include "FilterExpression.h"
 #include "gtest/gtest.h"
 
diff --git a/src/test/cpp/ut/rocketmq/MessageGroupQueueSelectorTest.cpp b/src/test/cpp/ut/rocketmq/MessageGroupQueueSelectorTest.cpp
index 1029924..09f0533 100644
--- a/src/test/cpp/ut/rocketmq/MessageGroupQueueSelectorTest.cpp
+++ b/src/test/cpp/ut/rocketmq/MessageGroupQueueSelectorTest.cpp
@@ -1,3 +1,19 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements.  See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You under the Apache License, Version 2.0
+ * (the "License"); you may not use this file except in compliance with
+ * the License.  You may obtain a copy of the License at
+ * 
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ * 
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
 #include "MessageGroupQueueSelector.h"
 #include "rocketmq/MQMessage.h"
 #include "rocketmq/MQMessageQueue.h"
diff --git a/src/test/cpp/ut/rocketmq/MessageTest.cpp b/src/test/cpp/ut/rocketmq/MessageTest.cpp
index 4fc598c..ed871a2 100644
--- a/src/test/cpp/ut/rocketmq/MessageTest.cpp
+++ b/src/test/cpp/ut/rocketmq/MessageTest.cpp
@@ -1,3 +1,19 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements.  See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You under the Apache License, Version 2.0
+ * (the "License"); you may not use this file except in compliance with
+ * the License.  You may obtain a copy of the License at
+ * 
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ * 
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
 #include "rocketmq/MQMessageExt.h"
 #include <chrono>
 #include <gtest/gtest.h>
diff --git a/src/test/cpp/ut/rocketmq/ProcessQueueTest.cpp b/src/test/cpp/ut/rocketmq/ProcessQueueTest.cpp
index 98c9707..dea0f5a 100644
--- a/src/test/cpp/ut/rocketmq/ProcessQueueTest.cpp
+++ b/src/test/cpp/ut/rocketmq/ProcessQueueTest.cpp
@@ -1,3 +1,19 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements.  See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You under the Apache License, Version 2.0
+ * (the "License"); you may not use this file except in compliance with
+ * the License.  You may obtain a copy of the License at
+ * 
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ * 
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
 #include <chrono>
 #include <functional>
 #include <memory>
diff --git a/src/test/cpp/ut/rocketmq/ProducerImplTest.cpp b/src/test/cpp/ut/rocketmq/ProducerImplTest.cpp
index eb77514..5322f66 100644
--- a/src/test/cpp/ut/rocketmq/ProducerImplTest.cpp
+++ b/src/test/cpp/ut/rocketmq/ProducerImplTest.cpp
@@ -1,3 +1,19 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements.  See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You under the Apache License, Version 2.0
+ * (the "License"); you may not use this file except in compliance with
+ * the License.  You may obtain a copy of the License at
+ * 
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ * 
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
 #include <memory>
 #include <system_error>
 
diff --git a/src/test/cpp/ut/rocketmq/PullConsumerImplTest.cpp b/src/test/cpp/ut/rocketmq/PullConsumerImplTest.cpp
index 6c5ae41..9c0f045 100644
--- a/src/test/cpp/ut/rocketmq/PullConsumerImplTest.cpp
+++ b/src/test/cpp/ut/rocketmq/PullConsumerImplTest.cpp
@@ -1,3 +1,19 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements.  See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You under the Apache License, Version 2.0
+ * (the "License"); you may not use this file except in compliance with
+ * the License.  You may obtain a copy of the License at
+ * 
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ * 
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
 #include <chrono>
 #include <memory>
 #include <string>
diff --git a/src/test/cpp/ut/rocketmq/PushConsumerImplTest.cpp b/src/test/cpp/ut/rocketmq/PushConsumerImplTest.cpp
index 4bacd98..7a25655 100644
--- a/src/test/cpp/ut/rocketmq/PushConsumerImplTest.cpp
+++ b/src/test/cpp/ut/rocketmq/PushConsumerImplTest.cpp
@@ -1,3 +1,19 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements.  See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You under the Apache License, Version 2.0
+ * (the "License"); you may not use this file except in compliance with
+ * the License.  You may obtain a copy of the License at
+ * 
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ * 
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
 #include <memory>
 
 #include "gtest/gtest.h"
diff --git a/src/test/cpp/ut/rocketmq/SendCallbacksTest.cpp b/src/test/cpp/ut/rocketmq/SendCallbacksTest.cpp
index a66005d..5504e64 100644
--- a/src/test/cpp/ut/rocketmq/SendCallbacksTest.cpp
+++ b/src/test/cpp/ut/rocketmq/SendCallbacksTest.cpp
@@ -1,3 +1,19 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements.  See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You under the Apache License, Version 2.0
+ * (the "License"); you may not use this file except in compliance with
+ * the License.  You may obtain a copy of the License at
+ * 
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ * 
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
 #include "SendCallbacks.h"
 #include "gtest/gtest.h"
 #include <thread>
diff --git a/src/test/cpp/ut/rocketmq/StaticNameServerResolverTest.cpp b/src/test/cpp/ut/rocketmq/StaticNameServerResolverTest.cpp
index 6f7ce34..21f20b3 100644
--- a/src/test/cpp/ut/rocketmq/StaticNameServerResolverTest.cpp
+++ b/src/test/cpp/ut/rocketmq/StaticNameServerResolverTest.cpp
@@ -1,3 +1,19 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements.  See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You under the Apache License, Version 2.0
+ * (the "License"); you may not use this file except in compliance with
+ * the License.  You may obtain a copy of the License at
+ * 
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ * 
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
 #include "StaticNameServerResolver.h"
 
 #include "absl/strings/str_split.h"
diff --git a/src/test/cpp/ut/rocketmq/StsCredentialsProviderImplTest.cpp b/src/test/cpp/ut/rocketmq/StsCredentialsProviderImplTest.cpp
index 0daec1e..2e0d356 100644
--- a/src/test/cpp/ut/rocketmq/StsCredentialsProviderImplTest.cpp
+++ b/src/test/cpp/ut/rocketmq/StsCredentialsProviderImplTest.cpp
@@ -1,3 +1,19 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements.  See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You under the Apache License, Version 2.0
+ * (the "License"); you may not use this file except in compliance with
+ * the License.  You may obtain a copy of the License at
+ * 
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ * 
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
 #include "StsCredentialsProviderImpl.h"
 #include "HttpClientMock.h"
 #include "absl/memory/memory.h"
diff --git a/src/test/cpp/ut/rocketmq/include/MQClientTest.h b/src/test/cpp/ut/rocketmq/include/MQClientTest.h
index 05e554d..93064cb 100644
--- a/src/test/cpp/ut/rocketmq/include/MQClientTest.h
+++ b/src/test/cpp/ut/rocketmq/include/MQClientTest.h
@@ -1,3 +1,19 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements.  See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You under the Apache License, Version 2.0
+ * (the "License"); you may not use this file except in compliance with
+ * the License.  You may obtain a copy of the License at
+ * 
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ * 
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
 #pragma once
 
 #include <functional>
diff --git a/src/test/cpp/ut/scheduler/BUILD.bazel b/src/test/cpp/ut/scheduler/BUILD.bazel
index d1e0c56..23615c5 100644
--- a/src/test/cpp/ut/scheduler/BUILD.bazel
+++ b/src/test/cpp/ut/scheduler/BUILD.bazel
@@ -1,3 +1,19 @@
+#
+# Licensed to the Apache Software Foundation (ASF) under one or more
+# contributor license agreements.  See the NOTICE file distributed with
+# this work for additional information regarding copyright ownership.
+# The ASF licenses this file to You under the Apache License, Version 2.0
+# (the "License"); you may not use this file except in compliance with
+# the License.  You may obtain a copy of the License at
+# 
+#     http://www.apache.org/licenses/LICENSE-2.0
+# 
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+#
 load("@rules_cc//cc:defs.bzl", "cc_test")
 cc_test(
     name = "scheduler_test",
diff --git a/src/test/cpp/ut/scheduler/SchedulerTest.cpp b/src/test/cpp/ut/scheduler/SchedulerTest.cpp
index 827f014..2dfafa7 100644
--- a/src/test/cpp/ut/scheduler/SchedulerTest.cpp
+++ b/src/test/cpp/ut/scheduler/SchedulerTest.cpp
@@ -1,3 +1,19 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements.  See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You under the Apache License, Version 2.0
+ * (the "License"); you may not use this file except in compliance with
+ * the License.  You may obtain a copy of the License at
+ * 
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ * 
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
 #include <chrono>
 #include <cstdint>
 #include <exception>
diff --git a/src/test/cpp/ut/tracing/exporters/BUILD.bazel b/src/test/cpp/ut/tracing/exporters/BUILD.bazel
index 8646cc8..1fc3477 100644
--- a/src/test/cpp/ut/tracing/exporters/BUILD.bazel
+++ b/src/test/cpp/ut/tracing/exporters/BUILD.bazel
@@ -1,3 +1,19 @@
+#
+# Licensed to the Apache Software Foundation (ASF) under one or more
+# contributor license agreements.  See the NOTICE file distributed with
+# this work for additional information regarding copyright ownership.
+# The ASF licenses this file to You under the Apache License, Version 2.0
+# (the "License"); you may not use this file except in compliance with
+# the License.  You may obtain a copy of the License at
+# 
+#     http://www.apache.org/licenses/LICENSE-2.0
+# 
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+#
 load("@rules_cc//cc:defs.bzl", "cc_test")
 
 cc_test(
diff --git a/src/test/cpp/ut/tracing/exporters/OtlpExportersTest.cpp b/src/test/cpp/ut/tracing/exporters/OtlpExportersTest.cpp
index 7cc649d..d0e4ec4 100644
--- a/src/test/cpp/ut/tracing/exporters/OtlpExportersTest.cpp
+++ b/src/test/cpp/ut/tracing/exporters/OtlpExportersTest.cpp
@@ -1,3 +1,19 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements.  See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You under the Apache License, Version 2.0
+ * (the "License"); you may not use this file except in compliance with
+ * the License.  You may obtain a copy of the License at
+ * 
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ * 
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
 #include "ClientConfigMock.h"
 #include "ClientManagerMock.h"
 #include "OtlpExporter.h"
diff --git a/src/test/cpp/ut/tracing/exporters/SpanContextTest.cpp b/src/test/cpp/ut/tracing/exporters/SpanContextTest.cpp
index 0b24824..9730302 100644
--- a/src/test/cpp/ut/tracing/exporters/SpanContextTest.cpp
+++ b/src/test/cpp/ut/tracing/exporters/SpanContextTest.cpp
@@ -1,3 +1,19 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements.  See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You under the Apache License, Version 2.0
+ * (the "License"); you may not use this file except in compliance with
+ * the License.  You may obtain a copy of the License at
+ * 
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ * 
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
 #include "opencensus/trace/propagation/trace_context.h"
 #include "gtest/gtest.h"
 
diff --git a/third_party/BUILD b/third_party/BUILD
deleted file mode 100644
index e69de29..0000000
--- a/third_party/BUILD
+++ /dev/null
diff --git a/third_party/BUILD.bazel b/third_party/BUILD.bazel
new file mode 100644
index 0000000..28e0699
--- /dev/null
+++ b/third_party/BUILD.bazel
@@ -0,0 +1,16 @@
+#
+# Licensed to the Apache Software Foundation (ASF) under one or more
+# contributor license agreements.  See the NOTICE file distributed with
+# this work for additional information regarding copyright ownership.
+# The ASF licenses this file to You under the Apache License, Version 2.0
+# (the "License"); you may not use this file except in compliance with
+# the License.  You may obtain a copy of the License at
+# 
+#     http://www.apache.org/licenses/LICENSE-2.0
+# 
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+#
diff --git a/tools/fix_copyright.py b/tools/fix_copyright.py
index 263fe81..24bb8f5 100755
--- a/tools/fix_copyright.py
+++ b/tools/fix_copyright.py
@@ -2,36 +2,57 @@
 import os
 import fnmatch
 
-def checkAndFixFileHeaderComment(fileName, template):
+def checkAndFixFileHeaderComment(fileName, template, bazel=False):
     lines = []
-    with open(fileName, 'rw') as f:
+    with open(fileName, 'r') as f:
         lines = f.readlines()
-    
-    print(template)
-    for line in lines:
-        print(line)
 
+        if len(lines) > 0:
+            if bazel:
+                if lines[0].startswith("#"):
+                    return False
+            else:
+                if lines[0].startswith("/*"):
+                    return False
+        
+        lines.insert(0, template)
+    
+    with open(fileName, 'w') as f:
+        for line in lines:
+            f.write(line)
+    return True
 
 
 def main():
-    template = "/*\n"
-
+    bzl_template = "#" + os.linesep
+    template = "/*" + os.linesep
     with open('tools/copyright.txt', 'r') as reader:
         line = reader.readline()
         while line != '':
            template += " * " + line
+           bzl_template += "# " + line
            line = reader.readline()
-    template += " */"
+    template += " */" + os.linesep
+    bzl_template += "#" + os.linesep
 
+    cnt = 0
     for root, dir, files in os.walk(os.curdir):
         if ".git/" in root:
             continue
 
         for item in fnmatch.filter(files, "*.h"):
-            checkAndFixFileHeaderComment(root + os.sep + item, template)
+            if(checkAndFixFileHeaderComment(root + os.sep + item, template)):
+                cnt = cnt +1
 
         for item in fnmatch.filter(files, "*.cpp"):
-            checkAndFixFileHeaderComment(root + os.sep + item, template)
+            if (checkAndFixFileHeaderComment(root + os.sep + item, template)):
+                cnt = cnt + 1
+
+        for item in fnmatch.filter(files, "*.bazel"):
+            if (checkAndFixFileHeaderComment(root + os.sep + item, bzl_template, bazel=True)):
+                cnt = cnt + 1
+
+    print("{} files fixed".format(cnt))
 
 
 if __name__ == "__main__":