diff --git a/library/think/template/taglib/Cx.php b/library/think/template/taglib/Cx.php
index a3fe83cf..08f2cfaf 100644
--- a/library/think/template/taglib/Cx.php
+++ b/library/think/template/taglib/Cx.php
@@ -669,7 +669,7 @@ class Cx extends Taglib
         $vars   = isset($tag['vars']) ? $tag['vars'] : '';
         $suffix = isset($tag['suffix']) ? $tag['suffix'] : 'true';
         $domain = isset($tag['domain']) ? $tag['domain'] : 'false';
-        return '<?php echo U("' . $url . '","' . $vars . '",' . $suffix . ',' . $domain . ');?>';
+        return '<?php echo url("' . $url . '","' . $vars . '",' . $suffix . ',' . $domain . ');?>';
     }
 
     /**