raise exception replace return object for error flag

fast_api.py

@@ -126,7 +126,8 @@ async def save_to_json(question_items: list[QuestionItem], background_tasks: Bac
 
     except Exception as e:
         logger.error(f"Error saving data to file or scheduling knowledge base update task: {e}")
-        raise HTTPException(status_code=500, detail=f"Internal Server Error: {str(e)}")
+        # raise HTTPException(status_code=500, detail=f"Internal Server Error: {str(e)}")
+        return {"status": "error", "message": "update task error···"}
 
 @app.post("/matchQuestion")
 def match_question(request: QuestionRequest):
@@ -156,7 +157,7 @@ def match_question(request: QuestionRequest):
 
     except Exception as e:
         logger.error(f"Error matching question: {e}")
-        raise HTTPException(status_code=500, detail=str(e))
+        return QuestionResponse(code=500, msg="success", data=[])
 
 recent_knowledge_bases = deque(load_knowledge_bases(), maxlen=max_knowledge_bases)