diff --git a/webapp/sdkwarpper/UnifiedWeiXin.php b/webapp/sdkwarpper/UnifiedWeiXin.php
index 5e75ae8..df533c0 100644
--- a/webapp/sdkwarpper/UnifiedWeiXin.php
+++ b/webapp/sdkwarpper/UnifiedWeiXin.php
@@ -97,7 +97,11 @@ class UnifiedWeiXin extends BaseSdk {
         error_log($response);
         $xml = new \SimpleXMLElement($response);
         if ($xml->return_code != 'SUCCESS') {
-            phpcommon\sendError(2, $xml->return_msg);
+            phpcommon\sendError(2, '' .$xml->return_msg);
+            return;
+        }
+        if ($xml->err_code != 'SUCCESS') {
+            phpcommon\sendError(2, '' .$xml->err_code_des);
             return;
         }
         if ($_REQUEST['unified_trade_type'] == 'MWEB') {