删除原先调试的注释

application/controllers/welcome.php

@@ -204,7 +204,6 @@ class Welcome extends CI_Controller {
             '/^http:\/\/www.chinahighlights.com(.*)/' => '//www.chinahighlights.com');
 
         foreach ($check_rules as $pattern => $replace) {
-            // echo 'key: '.$pattern.'; val: '.$replace.'</br>';
             $result = $this->replace_url($pattern, $replace, $result);
         }
         return $result;