diff --git a/dubbo-admin-backend/src/main/java/org/apache/dubbo/admin/controller/ServiceTestController.java b/dubbo-admin-backend/src/main/java/org/apache/dubbo/admin/controller/ServiceTestController.java
index 47921ed..f5f0da1 100644
--- a/dubbo-admin-backend/src/main/java/org/apache/dubbo/admin/controller/ServiceTestController.java
+++ b/dubbo-admin-backend/src/main/java/org/apache/dubbo/admin/controller/ServiceTestController.java
@@ -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.
+ */
+
 package org.apache.dubbo.admin.controller;
 
 import com.google.gson.Gson;
diff --git a/dubbo-admin-backend/src/main/java/org/apache/dubbo/admin/model/dto/ServiceTestDTO.java b/dubbo-admin-backend/src/main/java/org/apache/dubbo/admin/model/dto/ServiceTestDTO.java
index 14e25f4..fe540b2 100644
--- a/dubbo-admin-backend/src/main/java/org/apache/dubbo/admin/model/dto/ServiceTestDTO.java
+++ b/dubbo-admin-backend/src/main/java/org/apache/dubbo/admin/model/dto/ServiceTestDTO.java
@@ -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.
+ */
+
 package org.apache.dubbo.admin.model.dto;
 
 public class ServiceTestDTO {
diff --git a/dubbo-admin-backend/src/main/java/org/apache/dubbo/admin/service/impl/GenericServiceImpl.java b/dubbo-admin-backend/src/main/java/org/apache/dubbo/admin/service/impl/GenericServiceImpl.java
index 469ec9e..4040098 100644
--- a/dubbo-admin-backend/src/main/java/org/apache/dubbo/admin/service/impl/GenericServiceImpl.java
+++ b/dubbo-admin-backend/src/main/java/org/apache/dubbo/admin/service/impl/GenericServiceImpl.java
@@ -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.
+ */
+
 package org.apache.dubbo.admin.service.impl;
 
 import org.apache.dubbo.config.ApplicationConfig;
diff --git a/dubbo-admin-backend/src/test/resources/LoadBalance.yml b/dubbo-admin-backend/src/test/resources/LoadBalance.yml
index 2220097..3cfbbf1 100644
--- a/dubbo-admin-backend/src/test/resources/LoadBalance.yml
+++ b/dubbo-admin-backend/src/test/resources/LoadBalance.yml
@@ -1,3 +1,22 @@
+#
+#
+#   Licensed to the Apache Software Foundation (ASF) under one or more
+#   contributor license agreements.  See the NOTICE file distributed with
+#   this work for additional information regarding copyright ownership.
+#   The ASF licenses this file to You under the Apache License, Version 2.0
+#   (the "License"); you may not use this file except in compliance with
+#   the License.  You may obtain a copy of the License at
+#
+#       http://www.apache.org/licenses/LICENSE-2.0
+#
+#   Unless required by applicable law or agreed to in writing, software
+#   distributed under the License is distributed on an "AS IS" BASIS,
+#   WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+#   See the License for the specific language governing permissions and
+#   limitations under the License.
+#
+#
+
 ---
 configVersion: v2.7
 enabled: false