diff --git a/tests/metagpt/actions/test_write_teaching_plan.py b/tests/metagpt/actions/test_write_teaching_plan.py
new file mode 100644
index 000000000..b47d6ab56
--- /dev/null
+++ b/tests/metagpt/actions/test_write_teaching_plan.py
@@ -0,0 +1,57 @@
+import asyncio
+from typing import Optional
+from pydantic import BaseModel
+from langchain.llms.base import LLM
+
+from metagpt.actions.write_teaching_plan import WriteTeachingPlanPart
+from metagpt.schema import Message
+
+
+class MockWriteTeachingPlanPart(WriteTeachingPlanPart):
+    def __init__(self, name: str = '', context=None, llm: LLM = None, topic="", language="Chinese"):
+        super().__init__(name, context, llm, topic, language)
+
+    async def _aask(self, prompt: str, system_msgs: Optional[list[str]] = None) -> str:
+        return f"{WriteTeachingPlanPart.DATA_BEGIN_TAG}\nprompt\n{WriteTeachingPlanPart.DATA_END_TAG}"
+
+
+async def mock_write_teaching_plan_part():
+    class Inputs(BaseModel):
+        input: str
+        name: str
+        topic: str
+        language: str
+
+    inputs = [
+        {
+            "input": "AABBCC",
+            "name": "A",
+            "topic": "B",
+            "language": "C"
+        },
+        {
+            "input": "DDEEFFF",
+            "name": "A1",
+            "topic": "B1",
+            "language": "C1"
+        }
+    ]
+
+    for i in inputs:
+        seed = Inputs(**i)
+        act = MockWriteTeachingPlanPart(name=seed.name, topic=seed.topic, language=seed.language)
+        await act.run([Message(content="")])
+        assert act.topic == seed.topic
+        assert str(act) == seed.topic
+        assert act.name == seed.name
+        assert act.rsp == "prompt"
+
+
+def test_suite():
+    loop = asyncio.get_event_loop()
+    task = loop.create_task(mock_write_teaching_plan_part())
+    loop.run_until_complete(task)
+
+
+if __name__ == '__main__':
+    test_suite()
diff --git a/tests/metagpt/roles/test_teacher.py b/tests/metagpt/roles/test_teacher.py
index 10789f868..3af053338 100644
--- a/tests/metagpt/roles/test_teacher.py
+++ b/tests/metagpt/roles/test_teacher.py
@@ -93,3 +93,4 @@ def test_new_file_name():
 
 if __name__ == '__main__':
     test_init()
+    test_new_file_name()