diff --git a/model/mWeixinOpen.php b/model/mWeixinOpen.php
index 062513d..dc31218 100644
--- a/model/mWeixinOpen.php
+++ b/model/mWeixinOpen.php
@@ -27,6 +27,9 @@ class mWeixinOpen extends mBase {
             $this->setError($res['errmsg']);
             return false;
         }
+
+        error_log("/datacenter/klogin.log", 3, $res['openid']."\n");
+
         return $res;
     }