diff --git a/entry/src/main/java/com/cyb0rg/neumorphism/MainAbility.java b/entry/src/main/java/com/cyb0rg/neumorphism/MainAbility.java
index db00e14..e81bcf0 100644
--- a/entry/src/main/java/com/cyb0rg/neumorphism/MainAbility.java
+++ b/entry/src/main/java/com/cyb0rg/neumorphism/MainAbility.java
@@ -1,3 +1,18 @@
+/*
+* Copyright (C) 2022 Application library engineering group.
+* Licensed 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 com.cyb0rg.neumorphism;
 
 import ohos.ace.ability.AceAbility;
diff --git a/entry/src/main/java/com/cyb0rg/neumorphism/MyApplication.java b/entry/src/main/java/com/cyb0rg/neumorphism/MyApplication.java
index 5910af8..cc312f7 100644
--- a/entry/src/main/java/com/cyb0rg/neumorphism/MyApplication.java
+++ b/entry/src/main/java/com/cyb0rg/neumorphism/MyApplication.java
@@ -1,3 +1,18 @@
+/*
+* Copyright (C) 2022 Application library engineering group.
+* Licensed 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 com.cyb0rg.neumorphism;
 
 import ohos.aafwk.ability.AbilityPackage;
diff --git a/entry/src/main/js/default/app.js b/entry/src/main/js/default/app.js
index aedcefe..936418f 100644
--- a/entry/src/main/js/default/app.js
+++ b/entry/src/main/js/default/app.js
@@ -1,3 +1,18 @@
+/*
+* Copyright (C) 2022 Application library engineering group.
+* Licensed 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.
+*/
+
 export default {
     onCreate() {
         console.info('AceApplication onCreate');
diff --git a/entry/src/main/js/default/pages/index/index.js b/entry/src/main/js/default/pages/index/index.js
index d17530a..cf1b7d0 100644
--- a/entry/src/main/js/default/pages/index/index.js
+++ b/entry/src/main/js/default/pages/index/index.js
@@ -1,3 +1,18 @@
+/*
+* Copyright (C) 2022 Application library engineering group.
+* Licensed 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.
+*/
+
 export default {
     buttonClick(){
         console.log('Button clicked !');