diff --git a/dep/build.sh b/dep/build.sh
index 88dbbfd..d33e7c4 100644
--- a/dep/build.sh
+++ b/dep/build.sh
@@ -1,3 +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.
 BASEDIR=$(dirname "$0")
 if [[ ! -d ${BASEDIR}/rocketmq_amd64/usr/local/include/rocketmq ]]; then
     mkdir -p ${BASEDIR}/rocketmq_amd64/usr/local/include/rocketmq
diff --git a/rpm/build.sh b/rpm/build.sh
index 326bf9d..364b3dc 100644
--- a/rpm/build.sh
+++ b/rpm/build.sh
@@ -1,3 +1,17 @@
+# Licensed to the Apache Software Foundation (ASF) under one or more
+# contributor license agreements.  See the NOTICE file distributed with
+# this work for additional information regarding copyright ownership.
+# The ASF licenses this file to You under the Apache License, Version 2.0
+# (the "License"); you may not use this file except in compliance with
+# the License.  You may obtain a copy of the License at
+#
+#     http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
 BASEDIR=$(dirname "$0")
 if [[ ! -d ${BASEDIR}/rocketmq_x64/CENTOS/ ]]; then
     echo "Can not find SPEC FILE"
diff --git a/src/producer/DefaultMQProducer.cpp b/src/producer/DefaultMQProducer.cpp
index 9a6d414..e5eb6ba 100644
--- a/src/producer/DefaultMQProducer.cpp
+++ b/src/producer/DefaultMQProducer.cpp
@@ -1,3 +1,20 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements.  See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You under the Apache License, Version 2.0
+ * (the "License"); you may not use this file except in compliance with
+ * the License.  You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT 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 "DefaultMQProducer.h"
 
 #include "DefaultMQProducerImpl.h"
diff --git a/src/producer/TransactionMQProducer.cpp b/src/producer/TransactionMQProducer.cpp
index b10e279..5d69afb 100644
--- a/src/producer/TransactionMQProducer.cpp
+++ b/src/producer/TransactionMQProducer.cpp
@@ -1,3 +1,20 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements.  See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You under the Apache License, Version 2.0
+ * (the "License"); you may not use this file except in compliance with
+ * the License.  You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT 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 "TransactionMQProducer.h"
 
 #include "TransactionMQProducerImpl.h"