Use and logic.

Author: jinghuan-Chen

backend/apps/chat/task/llm.py

@@ -926,7 +926,7 @@ def run_task(self, in_chat: bool = True, stream: bool = True,
 
             # return title
             if self.change_title:
-                if self.chat_question.question or self.chat_question.question.strip() != '':
+                if self.chat_question.question and self.chat_question.question.strip() != '':
                     brief = rename_chat(session=_session,
                                         rename_object=RenameChat(id=self.get_record().chat_id,
                                                                  brief=self.chat_question.question.strip()[:20]))