diff --git a/BUILD.gn b/BUILD.gn
index 8cd50c1d..8d791db0 100644
--- a/BUILD.gn
+++ b/BUILD.gn
@@ -21,4 +21,3 @@ group("tee_os_framework") {
         ":tee_build",
     ]
 }
-
diff --git a/build/build_framework.sh b/build/build_framework.sh
index 191f4836..9ed69ea0 100755
--- a/build/build_framework.sh
+++ b/build/build_framework.sh
@@ -1,8 +1,18 @@
 #!/bin/bash
 # compile tee_os_framework
+# Copyright (C) 2022 Huawei Technologies Co., Ltd.
+# Licensed under the Mulan PSL v2.
+# You can use this software according to the terms and conditions of the Mulan PSL v2.
+# You may obtain a copy of Mulan PSL v2 at:
+#     http://license.coscl.org.cn/MulanPSL2
+# THIS SOFTWARE IS PROVIDED ON AN "AS IS" BASIS, WITHOUT WARRANTIES OF ANY KIND, EITHER EXPRESS OR
+# IMPLIED, INCLUDING BUT NOT LIMITED TO NON-INFRINGEMENT, MERCHANTABILITY OR FIT FOR A PARTICULAR
+# PURPOSE.
+# See the Mulan PSL v2 for more details.
+
 FRAMEWORK_DIR=$(pwd)/../
 make V=3 TOPDIR=${FRAMEWORK_DIR} O=${FRAMEWORK_DIR}/output PREBUILD_ROOT=${FRAMEWORK_DIR}/prebuild GEN_CONF_FILE -j
 make V=3 TOPDIR=${FRAMEWORK_DIR} O=${FRAMEWORK_DIR}/output PREBUILD_ROOT=${FRAMEWORK_DIR}/prebuild install_headers -j
 make V=3 TOPDIR=${FRAMEWORK_DIR} O=${FRAMEWORK_DIR}/output PREBUILD_ROOT=${FRAMEWORK_DIR}/prebuild libs -j
 make V=3 TOPDIR=${FRAMEWORK_DIR} O=${FRAMEWORK_DIR}/output PREBUILD_ROOT=${FRAMEWORK_DIR}/prebuild tees -j
-make V=3 TOPDIR=${FRAMEWORK_DIR} O=${FRAMEWORK_DIR}/output PREBUILD_ROOT=${FRAMEWORK_DIR}/prebuild package -j
\ No newline at end of file
+make V=3 TOPDIR=${FRAMEWORK_DIR} O=${FRAMEWORK_DIR}/output PREBUILD_ROOT=${FRAMEWORK_DIR}/prebuild package -j
diff --git a/build/clean_framework.sh b/build/clean_framework.sh
index 5a79e264..5e55e81a 100644
--- a/build/clean_framework.sh
+++ b/build/clean_framework.sh
@@ -1,4 +1,14 @@
 #!/bin/bash
 # clean for tee_os_framework
+# Copyright (C) 2022 Huawei Technologies Co., Ltd.
+# Licensed under the Mulan PSL v2.
+# You can use this software according to the terms and conditions of the Mulan PSL v2.
+# You may obtain a copy of Mulan PSL v2 at:
+#     http://license.coscl.org.cn/MulanPSL2
+# THIS SOFTWARE IS PROVIDED ON AN "AS IS" BASIS, WITHOUT WARRANTIES OF ANY KIND, EITHER EXPRESS OR
+# IMPLIED, INCLUDING BUT NOT LIMITED TO NON-INFRINGEMENT, MERCHANTABILITY OR FIT FOR A PARTICULAR
+# PURPOSE.
+# See the Mulan PSL v2 for more details.
+
 FRAMEWORK_DIR=$(pwd)/../
-make TOPDIR=${FRAMEWORK_DIR} O=${FRAMEWORK_DIR}/output PREBUILD_ROOT=${FRAMEWORK_DIR}/prebuild clean -j
\ No newline at end of file
+make TOPDIR=${FRAMEWORK_DIR} O=${FRAMEWORK_DIR}/output PREBUILD_ROOT=${FRAMEWORK_DIR}/prebuild clean -j