diff --git a/cluster/loadbalance/least_active.go b/cluster/loadbalance/least_active.go
index 39c5620f02d607bb68430e17a206a1649ee31c54..aa69f3cc207ae7465bc6d5472bc075d0902c8978 100644
--- a/cluster/loadbalance/least_active.go
+++ b/cluster/loadbalance/least_active.go
@@ -15,7 +15,6 @@
  * limitations under the License.
  */
 
-// @author yiji@apache.org
 package loadbalance
 
 import (
diff --git a/cluster/loadbalance/round_robin_test.go b/cluster/loadbalance/round_robin_test.go
index e261884b55971d95ccfbfdc34e32a07dc256fcca..0b8e89c7349afb056309b5a70d91aa5cce309aa0 100644
--- a/cluster/loadbalance/round_robin_test.go
+++ b/cluster/loadbalance/round_robin_test.go
@@ -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 loadbalance
 
 import (
diff --git a/common/extension/router_factory.go b/common/extension/router_factory.go
index f364292b07850d1ef48f008eeb12261bf4b274a5..6f27aafaebf87147116e74272cc229657f436201 100644
--- a/common/extension/router_factory.go
+++ b/common/extension/router_factory.go
@@ -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 extension
 
 import (
diff --git a/config_center/configuration_parser.go b/config_center/configuration_parser.go
index ab02789c9267786c900b57c312b1346ee2653fde..95b122e1e790c5bd8e01988282eae517a431463a 100644
--- a/config_center/configuration_parser.go
+++ b/config_center/configuration_parser.go
@@ -1,8 +1,26 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements.  See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You under the Apache License, Version 2.0
+ * (the "License"); you may not use this file except in compliance with
+ * the License.  You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT 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 config_center
 
 import (
 	"github.com/magiconair/properties"
 )
+
 import (
 	"github.com/apache/dubbo-go/common/logger"
 )
diff --git a/config_center/configuration_parser_test.go b/config_center/configuration_parser_test.go
index 3c84fd70b03df06184365e132a174dfc640da1c2..4a67d423040c768475ab16f1d4a0c22bc64e4f0d 100644
--- a/config_center/configuration_parser_test.go
+++ b/config_center/configuration_parser_test.go
@@ -1,8 +1,26 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements.  See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You under the Apache License, Version 2.0
+ * (the "License"); you may not use this file except in compliance with
+ * the License.  You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT 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 config_center
 
 import (
 	"testing"
 )
+
 import (
 	"github.com/stretchr/testify/assert"
 )
diff --git a/filter/impl/active_filter.go b/filter/impl/active_filter.go
index d7dad74cf3f5ccadf39372335bc1efb22f497523..36a4e1a767ab7170ce8e5bebf2cfa4403f6ad4ff 100644
--- a/filter/impl/active_filter.go
+++ b/filter/impl/active_filter.go
@@ -15,7 +15,6 @@
  * limitations under the License.
  */
 
-// @author yiji@apache.org
 package impl
 
 import (
diff --git a/registry/zookeeper/listener_test.go b/registry/zookeeper/listener_test.go
index 7ebc32b8a50bcb38d5ac859e4216065559fbd4e5..9d9cebefcba0ab18e0e991a9cbd114af1aec6587 100644
--- a/registry/zookeeper/listener_test.go
+++ b/registry/zookeeper/listener_test.go
@@ -1,11 +1,31 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements.  See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You under the Apache License, Version 2.0
+ * (the "License"); you may not use this file except in compliance with
+ * the License.  You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT 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 zookeeper
 
 import (
 	"context"
+	"testing"
+)
+
+import (
 	"github.com/apache/dubbo-go/common"
 	"github.com/apache/dubbo-go/remoting"
 	"github.com/stretchr/testify/assert"
-	"testing"
 )
 
 func Test_DataChange(t *testing.T) {