diff --git a/metagpt/actions/write_teaching_plan.py b/metagpt/actions/write_teaching_plan.py
index 1f0167df3..76c72651d 100644
--- a/metagpt/actions/write_teaching_plan.py
+++ b/metagpt/actions/write_teaching_plan.py
@@ -1,7 +1,7 @@
 #!/usr/bin/env python
 # -*- coding: utf-8 -*-
 """
-@Time    : 2023/5/11 14:43
+@Time    : 2023/7/27
 @Author  : mashenquan
 @File    : write_teaching_plan.py
 """
diff --git a/metagpt/roles/teacher.py b/metagpt/roles/teacher.py
index a007926be..acaa3860f 100644
--- a/metagpt/roles/teacher.py
+++ b/metagpt/roles/teacher.py
@@ -1,7 +1,7 @@
 #!/usr/bin/env python
 # -*- coding: utf-8 -*-
 """
-@Time    : 2023/5/23 17:25
+@Time    : 2023/7/27
 @Author  : mashenquan
 @File    : teacher.py
 """
diff --git a/tests/metagpt/actions/test_write_teaching_plan.py b/tests/metagpt/actions/test_write_teaching_plan.py
index b47d6ab56..2e34491fb 100644
--- a/tests/metagpt/actions/test_write_teaching_plan.py
+++ b/tests/metagpt/actions/test_write_teaching_plan.py
@@ -1,3 +1,11 @@
+#!/usr/bin/env python
+# -*- coding: utf-8 -*-
+"""
+@Time    : 2023/7/28 17:25
+@Author  : mashenquan
+@File    : test_write_teaching_plan.py
+"""
+
 import asyncio
 from typing import Optional
 from pydantic import BaseModel
diff --git a/tests/metagpt/roles/test_teacher.py b/tests/metagpt/roles/test_teacher.py
index 3af053338..5faa43455 100644
--- a/tests/metagpt/roles/test_teacher.py
+++ b/tests/metagpt/roles/test_teacher.py
@@ -1,9 +1,9 @@
 #!/usr/bin/env python
 # -*- coding: utf-8 -*-
 """
-@Time    : 2023/5/23 17:25
+@Time    : 2023/7/27 13:25
 @Author  : mashenquan
-@File    : teacher.py
+@File    : test_teacher.py
 """
 
 from typing import Dict, Optional