diff --git a/application/controllers/cache.php b/application/controllers/cache.php
index 91d37d1a..8e6c9c7c 100644
--- a/application/controllers/cache.php
+++ b/application/controllers/cache.php
@@ -160,8 +160,7 @@ class Cache extends CI_Controller {
 
           $encode = mb_detect_encoding($url_temp);
           // $_url_temp = mb_convert_encoding($url_temp, 'UTF8', $encode);
-          // $_url_temp = mb_convert_encoding($url_temp, 'ASCII', $encode) . '?encoding=' . $encode;
-          $_url_temp = $url_temp . '?encoding=' . $encode;
+          $_url_temp = mb_convert_encoding($url_temp, 'UTF-8//IGNORE', $encode) . '?encoding=' . $encode;
 
           $file[] = $_url_temp;
         }