diff --git a/utils/message.py b/utils/message.py
index 6078043..2527c08 100644
--- a/utils/message.py
+++ b/utils/message.py
@@ -2,7 +2,7 @@
 import httpx
 import logging
 from typing import Dict, Any, Optional
-from config import WEBHOOK_URL
+from config import GetWebhookURL
 
 logger = logging.getLogger(__name__)
 
@@ -17,7 +17,7 @@ class MessageSender:
             webhook_url: Webhook URL
         """
         if webhook_url is None:
-            webhook_url = WEBHOOK_URL
+            webhook_url = GetWebhookURL()
         self.webhook_url = webhook_url
         self.client: Optional[httpx.AsyncClient] = None
     
@@ -130,5 +130,8 @@ def get_message_sender() -> MessageSender:
     global _sender_instance
     if _sender_instance is None:
         _sender_instance = MessageSender()
+    else:
+        # 更新Webhook URL以确保使用最新的值
+        _sender_instance.webhook_url = GetWebhookURL()
     return _sender_instance