diff --git a/application/third_party/pagespeed/models/PageSpeedData_model.php b/application/third_party/pagespeed/models/PageSpeedData_model.php
index 420aebed..02754223 100644
--- a/application/third_party/pagespeed/models/PageSpeedData_model.php
+++ b/application/third_party/pagespeed/models/PageSpeedData_model.php
@@ -21,7 +21,7 @@ class PageSpeedData_model extends CI_Model {
     public function detail($psd_URL, $psd_SiteCode) {
         $this->init();
         $this->topnum = 1;
-        $this->where = ' AND  psd.psd_URL=' . $this->INFO->escape($psd_URL);
+        $this->where = ' AND  psd.psd_URL=N' . $this->INFO->escape($psd_URL);
         $this->where .= ' AND  psd.psd_SiteCode=' . $this->INFO->escape($psd_SiteCode);
         return $this->get_list();
     }