fix: Interface parameter asker, user cannot be seen in the conversation log #3735

Author: shaohuzhang1

apps/application/serializers/common.py

@@ -107,7 +107,10 @@ def get_chat_user(self, asker=None):
             }
         else:
             if asker:
-                self.chat_user = asker
+                if isinstance(asker, dict):
+                    self.chat_user = asker
+                else:
+                    self.chat_user = {'username': asker}
             else:
                 self.chat_user = {'username': '游客'}
         return self.chat_user