diff --git a/e/action/ShowInfo.php b/e/action/ShowInfo.php
index 7a8fa7a..2c8cba0 100644
--- a/e/action/ShowInfo.php
+++ b/e/action/ShowInfo.php
@@ -97,7 +97,7 @@ if($cr['companygroupid'])
 
     if(!in_array($usergroupid,explode(",",$cr[companygroupid])))
     {
-        printerror('NotLevelToClass2',"/list/{$classid}-0-0-0-0.html",1);
+        printerror('NotLevelToClass2',$_SERVER['HTTP_REFERER']?$_SERVER['HTTP_REFERER']:"/",1);
     }
 }