diff --git a/tools/rom_ram_analyzer/standard/pkgs/basic_tool.py b/tools/rom_ram_analyzer/standard/pkgs/basic_tool.py
index 955f4dfc767c25d05f77cd5cf23f0fadec59cecd..1db7e84dc792fc2c9dcd25f277b219e2ab645365 100644
--- a/tools/rom_ram_analyzer/standard/pkgs/basic_tool.py
+++ b/tools/rom_ram_analyzer/standard/pkgs/basic_tool.py
@@ -1,3 +1,18 @@
+#!/usr/bin/env python3
+# -*- coding: utf-8 -*-
+# Copyright (c) 2024 Huawei Device Co., Ltd.
+# 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.
+
 import sys
 import typing
 import os
diff --git a/tools/rom_ram_analyzer/standard/pkgs/gn_common_tool.py b/tools/rom_ram_analyzer/standard/pkgs/gn_common_tool.py
index f4013e3fce316e5d98c14379a7182cdd1f45f28a..cae62a363e2775103af0bc3b5aa80a84b6c93869 100644
--- a/tools/rom_ram_analyzer/standard/pkgs/gn_common_tool.py
+++ b/tools/rom_ram_analyzer/standard/pkgs/gn_common_tool.py
@@ -1,3 +1,18 @@
+#!/usr/bin/env python3
+# -*- coding: utf-8 -*-
+# Copyright (c) 2024 Huawei Device Co., Ltd.
+# 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.
+
 import os
 import json
 import re
diff --git a/tools/rom_ram_analyzer/standard/pkgs/simple_excel_writer.py b/tools/rom_ram_analyzer/standard/pkgs/simple_excel_writer.py
index 7ce9d2d1e5b8d350dd754d16dd50b99bc1178da8..60feeb0b26918bc3c6b46a6185ddb57444349266 100644
--- a/tools/rom_ram_analyzer/standard/pkgs/simple_excel_writer.py
+++ b/tools/rom_ram_analyzer/standard/pkgs/simple_excel_writer.py
@@ -1,3 +1,18 @@
+#!/usr/bin/env python3
+# -*- coding: utf-8 -*-
+# Copyright (c) 2024 Huawei Device Co., Ltd.
+# 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.
+
 import xlwt
 from xlwt import Worksheet
 from xlwt import Pattern as PTRN, Alignment as ALMT, Font as FT, XFStyle as XFSTL