diff --git a/spring-cloud-starter-tencent-polaris-discovery/src/main/java/com/tencent/cloud/polaris/discovery/refresh/ServiceInstanceChangeCallback.java b/spring-cloud-starter-tencent-polaris-discovery/src/main/java/com/tencent/cloud/polaris/discovery/refresh/ServiceInstanceChangeCallback.java
index 177f12460..72fa55620 100644
--- a/spring-cloud-starter-tencent-polaris-discovery/src/main/java/com/tencent/cloud/polaris/discovery/refresh/ServiceInstanceChangeCallback.java
+++ b/spring-cloud-starter-tencent-polaris-discovery/src/main/java/com/tencent/cloud/polaris/discovery/refresh/ServiceInstanceChangeCallback.java
@@ -1,3 +1,20 @@
+/*
+ * Tencent is pleased to support the open source community by making Spring Cloud Tencent available.
+ *
+ * Copyright (C) 2019 THL A29 Limited, a Tencent company. All rights reserved.
+ *
+ * Licensed under the BSD 3-Clause License (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * https://opensource.org/licenses/BSD-3-Clause
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed
+ * under the License is distributed on an "AS IS" BASIS, WITHOUT 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 com.tencent.cloud.polaris.discovery.refresh;
 
 import java.util.List;
diff --git a/spring-cloud-starter-tencent-polaris-discovery/src/main/java/com/tencent/cloud/polaris/discovery/refresh/ServiceInstanceChangeListener.java b/spring-cloud-starter-tencent-polaris-discovery/src/main/java/com/tencent/cloud/polaris/discovery/refresh/ServiceInstanceChangeListener.java
index 30d35b090..5e2e4b0ef 100644
--- a/spring-cloud-starter-tencent-polaris-discovery/src/main/java/com/tencent/cloud/polaris/discovery/refresh/ServiceInstanceChangeListener.java
+++ b/spring-cloud-starter-tencent-polaris-discovery/src/main/java/com/tencent/cloud/polaris/discovery/refresh/ServiceInstanceChangeListener.java
@@ -1,3 +1,20 @@
+/*
+ * Tencent is pleased to support the open source community by making Spring Cloud Tencent available.
+ *
+ * Copyright (C) 2019 THL A29 Limited, a Tencent company. All rights reserved.
+ *
+ * Licensed under the BSD 3-Clause License (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * https://opensource.org/licenses/BSD-3-Clause
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed
+ * under the License is distributed on an "AS IS" BASIS, WITHOUT 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 com.tencent.cloud.polaris.discovery.refresh;
 
 import java.lang.annotation.Documented;
diff --git a/spring-cloud-tencent-commons/src/main/java/com/tencent/cloud/common/async/PolarisAsyncConfiguration.java b/spring-cloud-tencent-commons/src/main/java/com/tencent/cloud/common/async/PolarisAsyncConfiguration.java
index c1c9a6585..cce57576e 100644
--- a/spring-cloud-tencent-commons/src/main/java/com/tencent/cloud/common/async/PolarisAsyncConfiguration.java
+++ b/spring-cloud-tencent-commons/src/main/java/com/tencent/cloud/common/async/PolarisAsyncConfiguration.java
@@ -1,3 +1,20 @@
+/*
+ * Tencent is pleased to support the open source community by making Spring Cloud Tencent available.
+ *
+ * Copyright (C) 2019 THL A29 Limited, a Tencent company. All rights reserved.
+ *
+ * Licensed under the BSD 3-Clause License (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * https://opensource.org/licenses/BSD-3-Clause
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed
+ * under the License is distributed on an "AS IS" BASIS, WITHOUT 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 com.tencent.cloud.common.async;
 
 import java.util.concurrent.Executor;
diff --git a/spring-cloud-tencent-commons/src/main/java/com/tencent/cloud/common/util/PolarisCompletableFutureUtils.java b/spring-cloud-tencent-commons/src/main/java/com/tencent/cloud/common/util/PolarisCompletableFutureUtils.java
index 93ccd65da..52d1c8a49 100644
--- a/spring-cloud-tencent-commons/src/main/java/com/tencent/cloud/common/util/PolarisCompletableFutureUtils.java
+++ b/spring-cloud-tencent-commons/src/main/java/com/tencent/cloud/common/util/PolarisCompletableFutureUtils.java
@@ -1,3 +1,20 @@
+/*
+ * Tencent is pleased to support the open source community by making Spring Cloud Tencent available.
+ *
+ * Copyright (C) 2019 THL A29 Limited, a Tencent company. All rights reserved.
+ *
+ * Licensed under the BSD 3-Clause License (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * https://opensource.org/licenses/BSD-3-Clause
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed
+ * under the License is distributed on an "AS IS" BASIS, WITHOUT 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 com.tencent.cloud.common.util;
 
 import java.util.concurrent.CompletableFuture;