Mod: add asf license header and delete auther email
diff --git a/cluster/loadbalance/least_active.go b/cluster/loadbalance/least_active.go
index 39c5620..aa69f3c 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 e261884..0b8e89c 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 f364292..6f27aaf 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 ab02789..af93075 100644
--- a/config_center/configuration_parser.go
+++ b/config_center/configuration_parser.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 config_center
 
 import (
diff --git a/config_center/configuration_parser_test.go b/config_center/configuration_parser_test.go
index 3c84fd7..4f5e4b1 100644
--- a/config_center/configuration_parser_test.go
+++ b/config_center/configuration_parser_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 config_center
 
 import (
diff --git a/filter/impl/active_filter.go b/filter/impl/active_filter.go
index d7dad74..36a4e1a 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/protocol/RpcStatus.go b/protocol/RpcStatus.go
index 78796b6..3a8bfbc 100644
--- a/protocol/RpcStatus.go
+++ b/protocol/RpcStatus.go
@@ -15,7 +15,6 @@
  * limitations under the License.
  */
 
-// @author yiji@apache.org
 package protocol
 
 import (
diff --git a/registry/zookeeper/listener_test.go b/registry/zookeeper/listener_test.go
index 7ebc32b..0c68d46 100644
--- a/registry/zookeeper/listener_test.go
+++ b/registry/zookeeper/listener_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 zookeeper
 
 import (