Update main.py

main.py

@@ -141,7 +141,7 @@ async def webhook(
     body = await request.body()
     try:
         background_tasks.add_task(
-            line_bot_manager.line_handler.handle, body.decode("utf-8"), x_line_signature
+            line_bot_manager.line_handler.async_handle, body.decode("utf-8"), x_line_signature # 修改這裡
         )
     except InvalidSignatureError:
         logging.warning("收到無效的簽章")