diff --git a/scripts/demo.sh b/scripts/demo.sh
index 673d82cc6..15624e292 100755
--- a/scripts/demo.sh
+++ b/scripts/demo.sh
@@ -1,4 +1,18 @@
 #!/usr/bin/env bash
+# Copyright © 2023 OpenIM. All rights reserved.
+#
+# 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.
+
 
 clear
 . $(dirname ${BASH_SOURCE})/lib/util.sh
diff --git a/scripts/lib/chat.sh b/scripts/lib/chat.sh
index 4798940be..a0eb49db0 100644
--- a/scripts/lib/chat.sh
+++ b/scripts/lib/chat.sh
@@ -1,3 +1,17 @@
+# Copyright © 2023 OpenIM. All rights reserved.
+#
+# 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.
+
 # A set of helpers for starting/running chat for tests
 
 CHAT_VERSION=${CHAT_VERSION:-1.1.0}
diff --git a/scripts/lib/test.sh b/scripts/lib/test.sh
index 782af21ef..dd3d52863 100644
--- a/scripts/lib/test.sh
+++ b/scripts/lib/test.sh
@@ -1,4 +1,18 @@
 #!/usr/bin/env bash
+# Copyright © 2023 OpenIM. All rights reserved.
+#
+# 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.
+
 
 # A set of helpers for tests
 
diff --git a/scripts/update-yamlfmt.sh b/scripts/update-yamlfmt.sh
index e3a7eae8b..1e4ad513f 100644
--- a/scripts/update-yamlfmt.sh
+++ b/scripts/update-yamlfmt.sh
@@ -1,4 +1,18 @@
 #!/usr/bin/env bash
+# Copyright © 2023 OpenIM. All rights reserved.
+#
+# 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.
+
 
 set -o errexit
 set -o nounset
diff --git a/scripts/verify-yamlfmt.sh b/scripts/verify-yamlfmt.sh
index 935639b60..82e1c528d 100644
--- a/scripts/verify-yamlfmt.sh
+++ b/scripts/verify-yamlfmt.sh
@@ -1,4 +1,18 @@
 #!/usr/bin/env bash
+# Copyright © 2023 OpenIM. All rights reserved.
+#
+# 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.
+
 
 # This script checks whether the OWNERS files need to be formatted or not by
 # `yamlfmt`. Run `scripts/update-yamlfmt.sh` to actually format sources.
diff --git a/scripts/wait-for-it.sh b/scripts/wait-for-it.sh
index 9531168e5..d180d04c2 100755
--- a/scripts/wait-for-it.sh
+++ b/scripts/wait-for-it.sh
@@ -1,4 +1,18 @@
 #!/usr/bin/env bash
+# Copyright © 2023 OpenIM. All rights reserved.
+#
+# 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.
+
 
 #   Use this script to test if a given TCP host/port are available
 
diff --git a/tools/yamlfmt/main.go b/tools/yamlfmt/main.go
index 17608ba01..4bad00fca 100644
--- a/tools/yamlfmt/main.go
+++ b/tools/yamlfmt/main.go
@@ -1,3 +1,17 @@
+// Copyright © 2023 OpenIM. All rights reserved.
+//
+// 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.
+
 // OPENIM plan on prow tools
 package main
 
diff --git a/tools/yamlfmt/main_test.go b/tools/yamlfmt/main_test.go
index 9cb1f17dc..481eee2bc 100644
--- a/tools/yamlfmt/main_test.go
+++ b/tools/yamlfmt/main_test.go
@@ -1,3 +1,17 @@
+// Copyright © 2023 OpenIM. All rights reserved.
+//
+// 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 main
 
 import (