diff --git a/metagpt/roles/engineer.py b/metagpt/roles/engineer.py
index a108fa4f1..70dce41b1 100644
--- a/metagpt/roles/engineer.py
+++ b/metagpt/roles/engineer.py
@@ -21,12 +21,7 @@ from metagpt.const import WORKSPACE_ROOT
 from metagpt.logs import logger
 from metagpt.roles import Role
 from metagpt.schema import Message
-from metagpt.utils.common import (
-    CodeParser,
-    any_to_str_set,
-    get_class_name,
-    get_object_name,
-)
+from metagpt.utils.common import CodeParser, any_to_str, any_to_str_set
 from metagpt.utils.special_tokens import FILENAME_CODE_SEP, MSG_SEP
 
 
@@ -107,7 +102,7 @@ class Engineer(Role):
         return CodeParser.parse_str(block="Python package name", text=system_design_msg.content)
 
     def get_workspace(self) -> Path:
-        msg = self._rc.memory.get_by_action(get_class_name(WriteDesign))[-1]
+        msg = self._rc.memory.get_by_action(any_to_str(WriteDesign))[-1]
         if not msg:
             return WORKSPACE_ROOT / "src"
         workspace = self.parse_workspace(msg)
@@ -146,13 +141,13 @@ class Engineer(Role):
             logger.info(todo)
             logger.info(code_rsp)
             # self.write_file(todo, code)
-            msg = Message(content=code_rsp, role=self.profile, cause_by=get_object_name(self._rc.todo))
+            msg = Message(content=code_rsp, role=self.profile, cause_by=any_to_str(self._rc.todo))
             self._rc.memory.add(msg)
             self.publish_message(msg)
             del self.todos[0]
 
         logger.info(f"Done {self.get_workspace()} generating.")
-        msg = Message(content="all done.", role=self.profile, cause_by=get_object_name(self._rc.todo))
+        msg = Message(content="all done.", role=self.profile, cause_by=any_to_str(self._rc.todo))
         return msg
 
     async def _act_sp(self) -> Message:
@@ -163,7 +158,7 @@ class Engineer(Role):
             # logger.info(code_rsp)
             # code = self.parse_code(code_rsp)
             file_path = self.write_file(todo, code)
-            msg = Message(content=code, role=self.profile, cause_by=get_object_name(self._rc.todo))
+            msg = Message(content=code, role=self.profile, cause_by=any_to_str(self._rc.todo))
             self._rc.memory.add(msg)
             self.publish_message(msg)
 
@@ -174,7 +169,7 @@ class Engineer(Role):
         msg = Message(
             content=MSG_SEP.join(code_msg_all),
             role=self.profile,
-            cause_by=get_object_name(self._rc.todo),
+            cause_by=any_to_str(self._rc.todo),
             send_to="Edward",
         )
         return msg
@@ -216,7 +211,7 @@ class Engineer(Role):
         msg = Message(
             content=MSG_SEP.join(code_msg_all),
             role=self.profile,
-            cause_by=get_object_name(self._rc.todo),
+            cause_by=any_to_str(self._rc.todo),
             send_to="Edward",
         )
         return msg
@@ -236,7 +231,7 @@ class Engineer(Role):
 
         # Parse task lists
         for message in self._rc.news:
-            if not message.cause_by == get_class_name(WriteTasks):
+            if not message.cause_by == any_to_str(WriteTasks):
                 continue
             self.todos = self.parse_tasks(message)
             return 1
@@ -245,7 +240,7 @@ class Engineer(Role):
 
     async def _think(self) -> None:
         # In asynchronous scenarios, first check if the required messages are ready.
-        filters = {get_class_name(WriteTasks)}
+        filters = {any_to_str(WriteTasks)}
         msgs = self._rc.memory.get_by_actions(filters)
         if not msgs:
             self._rc.todo = None
diff --git a/metagpt/roles/researcher.py b/metagpt/roles/researcher.py
index 4ec6f31e1..8d5e43fab 100644
--- a/metagpt/roles/researcher.py
+++ b/metagpt/roles/researcher.py
@@ -15,7 +15,7 @@ from metagpt.const import RESEARCH_PATH
 from metagpt.logs import logger
 from metagpt.roles import Role
 from metagpt.schema import Message
-from metagpt.utils.common import get_object_name
+from metagpt.utils.common import any_to_str
 
 
 class Report(BaseModel):
@@ -64,21 +64,19 @@ class Researcher(Role):
         research_system_text = get_research_system_text(topic, self.language)
         if isinstance(todo, CollectLinks):
             links = await todo.run(topic, 4, 4)
-            ret = Message("", Report(topic=topic, links=links), role=self.profile, cause_by=get_object_name(todo))
+            ret = Message("", Report(topic=topic, links=links), role=self.profile, cause_by=any_to_str(todo))
         elif isinstance(todo, WebBrowseAndSummarize):
             links = instruct_content.links
             todos = (todo.run(*url, query=query, system_text=research_system_text) for (query, url) in links.items())
             summaries = await asyncio.gather(*todos)
             summaries = list((url, summary) for i in summaries for (url, summary) in i.items() if summary)
-            ret = Message(
-                "", Report(topic=topic, summaries=summaries), role=self.profile, cause_by=get_object_name(todo)
-            )
+            ret = Message("", Report(topic=topic, summaries=summaries), role=self.profile, cause_by=any_to_str(todo))
         else:
             summaries = instruct_content.summaries
             summary_text = "\n---\n".join(f"url: {url}\nsummary: {summary}" for (url, summary) in summaries)
             content = await self._rc.todo.run(topic, summary_text, system_text=research_system_text)
             ret = Message(
-                "", Report(topic=topic, content=content), role=self.profile, cause_by=get_object_name(self._rc.todo)
+                "", Report(topic=topic, content=content), role=self.profile, cause_by=any_to_str(self._rc.todo)
             )
         self._rc.memory.add(ret)
         return ret
diff --git a/metagpt/roles/role.py b/metagpt/roles/role.py
index b8be309bb..90e85186b 100644
--- a/metagpt/roles/role.py
+++ b/metagpt/roles/role.py
@@ -30,7 +30,7 @@ from metagpt.llm import LLM
 from metagpt.logs import logger
 from metagpt.memory import LongTermMemory, Memory
 from metagpt.schema import Message, MessageQueue
-from metagpt.utils.common import get_class_name, get_object_name
+from metagpt.utils.common import any_to_str
 
 PREFIX_TEMPLATE = """You are a {profile}, named {name}, your goal is {goal}, and the constraint is {constraints}. """
 
@@ -116,7 +116,7 @@ class Role:
         self._actions = []
         self._role_id = str(self._setting)
         self._rc = RoleContext()
-        self._subscription = {get_object_name(self)}
+        self._subscription = {any_to_str(self)}
         if name:
             self._subscription.add(name)
 
@@ -137,7 +137,7 @@ class Role:
 
     def _watch(self, actions: Iterable[Type[Action]]):
         """Listen to the corresponding behaviors in private message buffer"""
-        tags = {get_class_name(t) for t in actions}
+        tags = {any_to_str(t) for t in actions}
         self._rc.watch.update(tags)
         # check RoleContext after adding watch actions
         self._rc.check(self._role_id)
@@ -207,10 +207,10 @@ class Role:
                 content=response.content,
                 instruct_content=response.instruct_content,
                 role=self.profile,
-                cause_by=get_object_name(self._rc.todo),
+                cause_by=any_to_str(self._rc.todo),
             )
         else:
-            msg = Message(content=response, role=self.profile, cause_by=get_object_name(self._rc.todo))
+            msg = Message(content=response, role=self.profile, cause_by=any_to_str(self._rc.todo))
 
         return msg
 
diff --git a/metagpt/roles/seacher.py b/metagpt/roles/seacher.py
index d0b841f39..a37143196 100644
--- a/metagpt/roles/seacher.py
+++ b/metagpt/roles/seacher.py
@@ -12,7 +12,7 @@ from metagpt.logs import logger
 from metagpt.roles import Role
 from metagpt.schema import Message
 from metagpt.tools import SearchEngineType
-from metagpt.utils.common import get_object_name
+from metagpt.utils.common import any_to_str
 
 
 class Searcher(Role):
@@ -64,10 +64,10 @@ class Searcher(Role):
                 content=response.content,
                 instruct_content=response.instruct_content,
                 role=self.profile,
-                cause_by=get_object_name(self._rc.todo),
+                cause_by=any_to_str(self._rc.todo),
             )
         else:
-            msg = Message(content=response, role=self.profile, cause_by=get_object_name(self._rc.todo))
+            msg = Message(content=response, role=self.profile, cause_by=any_to_str(self._rc.todo))
         self._rc.memory.add(msg)
         return msg
 
diff --git a/metagpt/roles/sk_agent.py b/metagpt/roles/sk_agent.py
index 5b8d333bd..bb923caf2 100644
--- a/metagpt/roles/sk_agent.py
+++ b/metagpt/roles/sk_agent.py
@@ -17,7 +17,7 @@ from metagpt.actions.execute_task import ExecuteTask
 from metagpt.logs import logger
 from metagpt.roles import Role
 from metagpt.schema import Message
-from metagpt.utils.common import get_object_name
+from metagpt.utils.common import any_to_str
 from metagpt.utils.make_sk_kernel import make_sk_kernel
 
 
@@ -74,7 +74,7 @@ class SkAgent(Role):
             result = (await self.plan.invoke_async()).result
         logger.info(result)
 
-        msg = Message(content=result, role=self.profile, cause_by=get_object_name(self._rc.todo))
+        msg = Message(content=result, role=self.profile, cause_by=any_to_str(self._rc.todo))
         self._rc.memory.add(msg)
         self.publish_message(msg)
         return msg