diff --git a/before_ut.bat b/before_ut.bat
index a10df71a7eeb2eadb9d86574dc374b14a4f74e05..5296d0f8769b7b9f521f82e68bf3b10f4b5d16b4 100644
--- a/before_ut.bat
+++ b/before_ut.bat
@@ -1,3 +1,19 @@
+::
+::  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.
+
 set zkJar=zookeeper-3.4.9-fatjar.jar
 md remoting\zookeeper\zookeeper-4unittest\contrib\fatjar config_center\zookeeper\zookeeper-4unittest\contrib\fatjar registry\zookeeper\zookeeper-4unittest\contrib\fatjar
 curl -L https://github.com/dubbogo/resources/raw/master/zookeeper-4unitest/contrib/fatjar/%zkJar% -o remoting/zookeeper/zookeeper-4unittest/contrib/fatjar/%zkJar%
diff --git a/before_ut.sh b/before_ut.sh
index 7acee76ce5991ac1d06bff6a6325f083904f10b9..323173bcc64c3cbe9916747e10dd3ea8538457ea 100644
--- a/before_ut.sh
+++ b/before_ut.sh
@@ -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.
+
+
 mkdir -p remoting/zookeeper/zookeeper-4unittest/contrib/fatjar config_center/zookeeper/zookeeper-4unittest/contrib/fatjar registry/zookeeper/zookeeper-4unittest/contrib/fatjar
 wget -P "remoting/zookeeper/zookeeper-4unittest/contrib/fatjar" https://github.com/dubbogo/resources/raw/master/zookeeper-4unitest/contrib/fatjar/zookeeper-3.4.9-fatjar.jar
 cp remoting/zookeeper/zookeeper-4unittest/contrib/fatjar/zookeeper-3.4.9-fatjar.jar config_center/zookeeper/zookeeper-4unittest/contrib/fatjar/
diff --git a/config/provider_config_test.go b/config/provider_config_test.go
index db4b5f9906efb25cdb0ad8bf91f412f4510f5af5..e8a9c1f7a730f79e5bf92e1d7dd2e42b969cb0f3 100644
--- a/config/provider_config_test.go
+++ b/config/provider_config_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
 
 import (
diff --git a/dubbogo.png b/dubbogo.png
deleted file mode 100644
index 2cac434091276df102c3ae405c09621b8d8926ef..0000000000000000000000000000000000000000
Binary files a/dubbogo.png and /dev/null differ
diff --git a/protocol/mock/mock_invoker.go b/protocol/mock/mock_invoker.go
index 557dafa277e95c39d0b960436ac10ba8842c9186..c509cef054f5a23fe504486e01d7cc0e8772711d 100644
--- a/protocol/mock/mock_invoker.go
+++ b/protocol/mock/mock_invoker.go
@@ -1,3 +1,19 @@
+//  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.
+//
+
 // Code generated by MockGen. DO NOT EDIT.
 // Source: invoker.go
 
diff --git a/registry/etcdv3/listener.go b/registry/etcdv3/listener.go
index e0dc09908567ffcd8b8f77a9627c83876906e792..31d62fa916e5659cf424839cedf8f063fabedaa0 100644
--- a/registry/etcdv3/listener.go
+++ b/registry/etcdv3/listener.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 etcdv3
 
 import (
diff --git a/registry/etcdv3/listener_test.go b/registry/etcdv3/listener_test.go
index 00024d28949f8b517d49f45ce6f16422d67b0a6b..c064f99c6c4b447a6c81093b87d99e1d1ba6d17a 100644
--- a/registry/etcdv3/listener_test.go
+++ b/registry/etcdv3/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 etcdv3
 
 import (
diff --git a/registry/etcdv3/registry.go b/registry/etcdv3/registry.go
index 4ee90969e57fc50344c914f5332134e6f7f01b89..b058113c69b8007803a8a18c1b5e0c3af8c184f4 100644
--- a/registry/etcdv3/registry.go
+++ b/registry/etcdv3/registry.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 etcdv3
 
 import (
diff --git a/registry/etcdv3/registry_test.go b/registry/etcdv3/registry_test.go
index 6da9ad9d7d13bb0b6f8d1dab9b582669735ceec8..3f8c0f4cfccc2bcc68fc1e55fa69d74e9f0f8c0f 100644
--- a/registry/etcdv3/registry_test.go
+++ b/registry/etcdv3/registry_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 etcdv3
 
 import (
diff --git a/registry/nacos/listener.go b/registry/nacos/listener.go
index 1f264ec9e4ba9b8e970eba7da3b46d8792831dea..25cd3d09b5711e4e7db56cd8e40f3283f3252e10 100644
--- a/registry/nacos/listener.go
+++ b/registry/nacos/listener.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 nacos
 
 import (
diff --git a/registry/nacos/registry.go b/registry/nacos/registry.go
index 810a1cb05fec780868cf7767a9fcf8a7ccbd2b41..a8b9fa83fa73858064e570722341c14f974f5c9e 100644
--- a/registry/nacos/registry.go
+++ b/registry/nacos/registry.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 nacos
 
 import (
diff --git a/registry/nacos/registry_test.go b/registry/nacos/registry_test.go
index 023ff788091c0c0f7c83ab213d8ab52006cfdc81..e6ab693cd3f5432fe30c2b83011cd56e44ac509f 100644
--- a/registry/nacos/registry_test.go
+++ b/registry/nacos/registry_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 nacos
 
 import (
diff --git a/remoting/etcdv3/client.go b/remoting/etcdv3/client.go
index 57d1211fe30e00dcb1ad16733f36b7969ebaf505..050968565387fd31871b0aa8e9969496d39f6534 100644
--- a/remoting/etcdv3/client.go
+++ b/remoting/etcdv3/client.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 etcdv3
 
 import (
diff --git a/remoting/etcdv3/client_test.go b/remoting/etcdv3/client_test.go
index 187789e0abfac6a0e195bebd68ce4b91e0f9bdec..8f9b80cd30a9791709a0b2e83b9e59e0046f4c6c 100644
--- a/remoting/etcdv3/client_test.go
+++ b/remoting/etcdv3/client_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 etcdv3
 
 import (
diff --git a/remoting/etcdv3/facade.go b/remoting/etcdv3/facade.go
index e75b39d6bcd7f67f7606c6b212f59e7a42178fd8..499044b8d77d3dcd8d32b0cb70cb78f84fae8ec4 100644
--- a/remoting/etcdv3/facade.go
+++ b/remoting/etcdv3/facade.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 etcdv3
 
 import (
diff --git a/remoting/etcdv3/listener.go b/remoting/etcdv3/listener.go
index f5401917e208f41d3ea84e47c46f535b344e2784..a4d5805a6dbf3c76f43cb6085653c791b33ab119 100644
--- a/remoting/etcdv3/listener.go
+++ b/remoting/etcdv3/listener.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 etcdv3
 
 import (
diff --git a/remoting/etcdv3/listener_test.go b/remoting/etcdv3/listener_test.go
index 33904a21345ec0ac7ee1adbb239a0a7a44852387..7da85819730eaeb1c6931b0e13de26e2e171bec2 100644
--- a/remoting/etcdv3/listener_test.go
+++ b/remoting/etcdv3/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 etcdv3
 
 import (