modify

helper/session_helper.php

@@ -468,7 +468,7 @@ class session_helper
         elseif($_SESSION['client_type'] == 'mini') {
             return self::device_mini;
         }
-        elseif($_SESSION['client_type'] == 'wap') {
+        elseif($_SESSION['client_type'] == 'ajax') {
             return self::device_wap;
         }
         else {