diff --git a/tests/test_flip_image.py b/tests/test_flip_image.py
index fd7b3cf5f1e8e9905165f04acdb6139b9577a4c9..a68264f4d27f5bda5b057c7f0871912a03b5872d 100644
--- a/tests/test_flip_image.py
+++ b/tests/test_flip_image.py
@@ -1,3 +1,12 @@
+"""
+Identifier:     csst_proto/test_flip_image.py
+Name:           test_flip_image.py
+Description:    图像翻转的单元测试
+Author:         Bo Zhang
+Created:        2023-10-26
+Modified-History:
+    2023-11-25, Bo Zhang, add module header
+"""
 import os
 import unittest