diff --git a/maven-projects/java/build.xml b/maven-projects/java/build.xml
index a61ce6b59..032623e89 100644
--- a/maven-projects/java/build.xml
+++ b/maven-projects/java/build.xml
@@ -1,16 +1,18 @@
 <!--
- ~ Licensed to the Apache Software Foundation (ASF) under one or more
- ~ license agreements; and to You under the Apache License, version 2.0:
- ~
- ~   https://www.apache.org/licenses/LICENSE-2.0
- ~
- ~ This file is part of the Apache GraphAr (incubating) project, which was derived from fastFFI.
- ~
--->
-
-<!--
- ~ Copyright 1999-2021 Alibaba Group Holding Ltd.
--->
+  ~ Copyright 2021 Alibaba Group Holding Limited.
+  ~
+  ~ 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.
+  -->
 
 <!--
  ~ Derived from alibaba/fastFFI v0.1.2
diff --git a/maven-projects/java/src/main/java/org/apache/graphar/stdcxx/StdMap.java b/maven-projects/java/src/main/java/org/apache/graphar/stdcxx/StdMap.java
index 19d107359..da65a3721 100644
--- a/maven-projects/java/src/main/java/org/apache/graphar/stdcxx/StdMap.java
+++ b/maven-projects/java/src/main/java/org/apache/graphar/stdcxx/StdMap.java
@@ -1,14 +1,17 @@
 /*
- * Licensed to the Apache Software Foundation (ASF) under one or more
- * license agreements; and to You under the Apache License, version 2.0:
+ * Copyright 2022 Alibaba Group Holding Limited.
  *
- *   https://www.apache.org/licenses/LICENSE-2.0
+ * 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
  *
- * This file is part of the Apache GraphAr (incubating) project, which was derived from GraphScope.
- */
-
-/*
- * Copyright 2021 Alibaba Group Holding Limited.
+ *  	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.
  */
 
 // Derived from alibaba/GraphScope v0.25.0
diff --git a/maven-projects/java/src/main/java/org/apache/graphar/stdcxx/StdSharedPtr.java b/maven-projects/java/src/main/java/org/apache/graphar/stdcxx/StdSharedPtr.java
index 4d6879c1d..82bc7876a 100644
--- a/maven-projects/java/src/main/java/org/apache/graphar/stdcxx/StdSharedPtr.java
+++ b/maven-projects/java/src/main/java/org/apache/graphar/stdcxx/StdSharedPtr.java
@@ -1,14 +1,17 @@
 /*
- * Licensed to the Apache Software Foundation (ASF) under one or more
- * license agreements; and to You under the Apache License, version 2.0:
+ * Copyright 2021 Alibaba Group Holding Limited.
  *
- *   https://www.apache.org/licenses/LICENSE-2.0
+ * 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
  *
- * This file is part of the Apache GraphAr (incubating) project, which was derived from GraphScope.
- */
-
-/*
- * Copyright 2021 Alibaba Group Holding Limited.
+ *  	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.
  */
 
 // Derived from alibaba/GraphScope v0.25.0
diff --git a/maven-projects/java/src/main/java/org/apache/graphar/stdcxx/StdString.java b/maven-projects/java/src/main/java/org/apache/graphar/stdcxx/StdString.java
index 2b00b04ce..4532657b8 100644
--- a/maven-projects/java/src/main/java/org/apache/graphar/stdcxx/StdString.java
+++ b/maven-projects/java/src/main/java/org/apache/graphar/stdcxx/StdString.java
@@ -1,14 +1,17 @@
 /*
- * Licensed to the Apache Software Foundation (ASF) under one or more
- * license agreements; and to You under the Apache License, version 2.0:
+ * Copyright 1999-2021 Alibaba Group Holding Ltd.
  *
- *   https://www.apache.org/licenses/LICENSE-2.0
+ * 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
  *
- * This file is part of the Apache GraphAr (incubating) project, which was derived from fastFFI.
- */
-
-/*
- * Copyright 1999-2021 Alibaba Group Holding Ltd.
+ *      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.
  */
 
 // Derived from alibaba/fastFFI v0.1.2
diff --git a/maven-projects/java/src/main/java/org/apache/graphar/stdcxx/StdUnorderedMap.java b/maven-projects/java/src/main/java/org/apache/graphar/stdcxx/StdUnorderedMap.java
index 55bd992b3..572956a22 100644
--- a/maven-projects/java/src/main/java/org/apache/graphar/stdcxx/StdUnorderedMap.java
+++ b/maven-projects/java/src/main/java/org/apache/graphar/stdcxx/StdUnorderedMap.java
@@ -1,14 +1,17 @@
 /*
- * Licensed to the Apache Software Foundation (ASF) under one or more
- * license agreements; and to You under the Apache License, version 2.0:
+ * Copyright 2021 Alibaba Group Holding Limited.
  *
- *   https://www.apache.org/licenses/LICENSE-2.0
+ * 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
  *
- * This file is part of the Apache GraphAr (incubating) project, which was derived from GraphScope.
- */
-
-/*
- * Copyright 2021 Alibaba Group Holding Limited.
+ *  	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.
  */
 
 // Derived from alibaba/GraphScope v0.25.0
diff --git a/maven-projects/java/src/main/java/org/apache/graphar/stdcxx/StdVector.java b/maven-projects/java/src/main/java/org/apache/graphar/stdcxx/StdVector.java
index 86b1eb6b7..94f6ed2ba 100644
--- a/maven-projects/java/src/main/java/org/apache/graphar/stdcxx/StdVector.java
+++ b/maven-projects/java/src/main/java/org/apache/graphar/stdcxx/StdVector.java
@@ -1,14 +1,17 @@
 /*
- * Licensed to the Apache Software Foundation (ASF) under one or more
- * license agreements; and to You under the Apache License, version 2.0:
+ * Copyright 2021 Alibaba Group Holding Limited.
  *
- *   https://www.apache.org/licenses/LICENSE-2.0
+ * 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
  *
- * This file is part of the Apache GraphAr (incubating) project, which was derived from GraphScope.
- */
-
-/*
- * Copyright 2021 Alibaba Group Holding Limited.
+ *  	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.
  */
 
 // Derived from alibaba/GraphScope v0.25.0