diff --git a/metagpt/roles/role.py b/metagpt/roles/role.py
index 32fa16e6a..5f54e57e0 100644
--- a/metagpt/roles/role.py
+++ b/metagpt/roles/role.py
@@ -208,15 +208,9 @@ class Role:
                 instruct_content=response.instruct_content,
                 role=self.profile,
                 cause_by=get_object_name(self._rc.todo),
-                msg_from=get_object_name(self),
             )
         else:
-            msg = Message(
-                content=response,
-                role=self.profile,
-                cause_by=get_object_name(self._rc.todo),
-                msg_from=get_object_name(self),
-            )
+            msg = Message(content=response, role=self.profile, cause_by=get_object_name(self._rc.todo))
 
         return msg