diff --git a/utils/wechat/message_to_db.py b/utils/wechat/message_to_db.py
index ae094b0..66643f1 100644
--- a/utils/wechat/message_to_db.py
+++ b/utils/wechat/message_to_db.py
@@ -133,7 +133,7 @@ class MessageStorage:
         """
         message_id = db_record.get('message_id')
         group_id = db_record.get('group_id', 'unknown')
-        xml_content = db_record.get('message_xml', '')
+        xml_content = db_record.get('attachment_url', '')
         
         if not self.client or not message_id or not xml_content:
             return {