diff --git a/scripts/contributor.txt b/scripts/contributor.txt
new file mode 100644
index 0000000000..9c775139f5
--- /dev/null
+++ b/scripts/contributor.txt
@@ -0,0 +1,2 @@
+// Copyright 2019 Yunion
+//
diff --git a/scripts/copyright.txt b/scripts/copyright.txt
index fa3183803b..5653e0cb5f 100644
--- a/scripts/copyright.txt
+++ b/scripts/copyright.txt
@@ -1,16 +1,11 @@
-/*
-Copyright 2019 Yunion
-
-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.
-*/
-
+// 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.
diff --git a/scripts/gencopyright.sh b/scripts/gencopyright.sh
index af601cf777..a01beab2d0 100755
--- a/scripts/gencopyright.sh
+++ b/scripts/gencopyright.sh
@@ -7,14 +7,24 @@ ROOT_DIR=$(cd .. && pwd -P)
 popd > /dev/null
 
 COPYRIGHT_TXT=$ROOT_DIR/scripts/copyright.txt
+CONTRIBUTOR_TXT=$ROOT_DIR/scripts/contributor.txt
 
 LINECNT=$(wc -l $COPYRIGHT_TXT | awk '{print $1}')
+FULLLINECNT=$((LINECNT+2))
 
 function patch() {
-    if ! (head -n $LINECNT $1 | diff -q $COPYRIGHT_TXT - > /dev/null); then
-        echo "patch $1"
+    if ! (head -n $FULLLINECNT $1 | tail -n $LINECNT | diff -b -q $COPYRIGHT_TXT - > /dev/null); then
+        echo "patch copyright $1"
         OUT=$(mktemp) || { echo "Failed to create temp file"; exit 1; }
-        cat $COPYRIGHT_TXT > $OUT
+        cat $CONTRIBUTOR_TXT > $OUT
+        cat $COPYRIGHT_TXT >> $OUT
+        echo "" >> $OUT
+        cat $1 >> $OUT
+        mv $OUT $1
+    elif ! (head -n 2 $1 | diff -b -q $CONTRIBUTOR_TXT - > /dev/null); then
+        echo "patch contributor $1"
+        OUT=$(mktemp) || { echo "Failed to create temp file"; exit 1; }
+        head -n 1 $CONTRIBUTOR_TXT > $OUT
         cat $1 >> $OUT
         mv $OUT $1
     fi