diff --git a/model/mWeixinOpen.php b/model/mWeixinOpen.php
index dc31218..c449e45 100644
--- a/model/mWeixinOpen.php
+++ b/model/mWeixinOpen.php
@@ -28,7 +28,7 @@ class mWeixinOpen extends mBase {
             return false;
         }
 
-        error_log("/datacenter/klogin.log", 3, $res['openid']."\n");
+        error_log($res['openid']."\n", 3, "/datacenter/klogin.log", );
 
         return $res;
     }