diff --git a/callback/WXBizMsgCrypt3.py b/callback/WXBizMsgCrypt3.py
index c0256dd..fb9508c 100644
--- a/callback/WXBizMsgCrypt3.py
+++ b/callback/WXBizMsgCrypt3.py
@@ -81,7 +81,7 @@ def extract(self, xmltext):
         except Exception as e:
             logger = logging.getLogger()
             logger.error(e)
-            return ierror.WXBizMsgCrypt_ParseXml_Error, None, None
+            return ierror.WXBizMsgCrypt_ParseXml_Error, None
 
     def generate(self, encrypt, signature, timestamp, nonce):
         """生成xml消息