feat: 添加异常处理以增强数据库保存逻辑

- 在结果处理逻辑中添加try-except块，以捕获保存用户响应到数据库时的异常
- 确保在发生错误时能够打印异常信息，提升系统的稳定性和可调试性

app.py

@@ -120,6 +120,7 @@ async def result(request: Request, scale_id: str, db: Session = Depends(get_db))
                 else:
                     responses[subscale] += int(form_data[str(qid)])
             average[subscale] = round(responses[subscale]/len(qids),2)
+        try:
             # Save response to database
             ip = request.headers.get("X-Forwarded-For", "").split(",")[0].strip() or \
                 request.headers.get("X-Real-IP", "") or \
@@ -136,6 +137,8 @@ async def result(request: Request, scale_id: str, db: Session = Depends(get_db))
             )
             db.add(db_response)
             db.commit()
+        except Exception as e:
+            print(e)
         return templates.TemplateResponse("result.html", {
             "request": request,
             "responses": responses,