diff --git a/metagpt/utils/pycst.py b/metagpt/utils/pycst.py
index 1edfed81c..a26ba70ff 100644
--- a/metagpt/utils/pycst.py
+++ b/metagpt/utils/pycst.py
@@ -49,6 +49,14 @@ def get_docstring_statement(body: DocstringNode) -> cst.SimpleStatementLine:
     return statement
 
 
+def has_decorator(node: DocstringNode, name: str) -> bool:
+    return hasattr(node, "decorators") and any(
+        (hasattr(i.decorator, "value") and i.decorator.value == name)
+        or (hasattr(i.decorator, "func") and hasattr(i.decorator.func, "value") and i.decorator.func.value == name)
+        for i in node.decorators
+    )
+
+
 class DocstringCollector(cst.CSTVisitor):
     """A visitor class for collecting docstrings from a CST.
 
@@ -82,7 +90,7 @@ class DocstringCollector(cst.CSTVisitor):
     def _leave(self, node: DocstringNode) -> None:
         key = tuple(self.stack)
         self.stack.pop()
-        if hasattr(node, "decorators") and any(i.decorator.value == "overload" for i in node.decorators):
+        if has_decorator(node, "overload"):
             return
 
         statement = get_docstring_statement(node)
@@ -127,9 +135,7 @@ class DocstringTransformer(cst.CSTTransformer):
         key = tuple(self.stack)
         self.stack.pop()
 
-        if hasattr(updated_node, "decorators") and any(
-            (i.decorator.value == "overload") for i in updated_node.decorators
-        ):
+        if has_decorator(updated_node, "overload"):
             return updated_node
 
         statement = self.docstrings.get(key)
diff --git a/tests/metagpt/tools/test_prompt_writer.py b/tests/metagpt/tools/test_prompt_writer.py
index 9f0c25ba1..680d4fe54 100644
--- a/tests/metagpt/tools/test_prompt_writer.py
+++ b/tests/metagpt/tools/test_prompt_writer.py
@@ -17,14 +17,15 @@ from metagpt.tools.prompt_writer import (
 )
 
 
+@pytest.mark.asyncio
 @pytest.mark.usefixtures("llm_api")
-def test_gpt_prompt_generator(llm_api):
+async def test_gpt_prompt_generator(llm_api):
     generator = GPTPromptGenerator()
     example = (
         "商品名称:WonderLab 新肌果味代餐奶昔 小胖瓶 胶原蛋白升级版 饱腹代餐粉6瓶 75g/瓶(6瓶/盒) 店铺名称:金力宁食品专营店 " "品牌:WonderLab 保质期:1年 产地:中国 净含量:450g"
     )
 
-    results = llm_api.ask_batch(generator.gen(example))
+    results = await llm_api.aask_batch(generator.gen(example))
     logger.info(results)
     assert len(results) > 0
 
@@ -58,3 +59,7 @@ def test_beagec_template():
     assert any(
         "Edit and revise this document to improve its grammar, vocabulary, spelling, and style." in r for r in results
     )
+
+
+if __name__ == "__main__":
+    pytest.main([__file__, "-s"])