diff --git a/tests/test_app/common_func.c b/tests/test_app/common_func.c
index 13bef50a5dce9b310756abf47660a45695e754a9..3c4af2b3f268fc268d8fa4c73a7b73c7bd58998f 100644
--- a/tests/test_app/common_func.c
+++ b/tests/test_app/common_func.c
@@ -1,4 +1,15 @@
-/* SPDX-License-Identifier: MulanPSL-2.0 */
+// Copyright (c) 2023 Huawei Technologies Co.,Ltd. All rights reserved.
+//
+// sysboost is licensed under 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.
+
 #include <stdio.h>
 
 int run_b(int a, int b)
diff --git a/tests/test_app/test_app.c b/tests/test_app/test_app.c
index c2c4f55412aa0355c2a9992ca89bdc021711f8d3..1d77b0f91073a1fb2b165e507cccc7310513a274 100644
--- a/tests/test_app/test_app.c
+++ b/tests/test_app/test_app.c
@@ -1,4 +1,15 @@
-/* SPDX-License-Identifier: MulanPSL-2.0 */
+// Copyright (c) 2023 Huawei Technologies Co.,Ltd. All rights reserved.
+//
+// sysboost is licensed under 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.
+
 #define _GNU_SOURCE
 #define __USE_GNU 1
 #include <dlfcn.h>
diff --git a/tests/test_app/util1.c b/tests/test_app/util1.c
index 6299b95aa80e9de04369f5da497aaecd90545f96..e8f5300598b8b337b2d964d0cbe160468140ca28 100644
--- a/tests/test_app/util1.c
+++ b/tests/test_app/util1.c
@@ -1,4 +1,15 @@
-/* SPDX-License-Identifier: MulanPSL-2.0 */
+// Copyright (c) 2023 Huawei Technologies Co.,Ltd. All rights reserved.
+//
+// sysboost is licensed under 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.
+
 #include <stdio.h>
 
 __attribute__((constructor)) void constructor_in_lib1(void)
diff --git a/tests/test_app/util2.c b/tests/test_app/util2.c
index 9a7014c21e75baf379039449462d009bbb94526c..7498b2c2222e7186f17eec3f00d4772a1a036a27 100644
--- a/tests/test_app/util2.c
+++ b/tests/test_app/util2.c
@@ -1,4 +1,17 @@
 /* SPDX-License-Identifier: MulanPSL-2.0 */
+// Copyright (c) 2023 Huawei Technologies Co.,Ltd. All rights reserved.
+//
+// sysboost is licensed under 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.
+
+#include <stdio.h>
 
 // __thread int g_thread_lib21 = 5;
 // __thread int g_thread_lib22 = 6;