diff --git a/Core/Model.php b/Core/Model.php
index b299561..3e1723f 100644
--- a/Core/Model.php
+++ b/Core/Model.php
@@ -53,7 +53,7 @@ abstract class Model
         $option=array();
         $timeout=time() + 20;
         if ($db === null) {
-            $dsn = 'mysql:host=' . Config::DB_HOST . ';dbname=' . Config::DB_NAME . ';charset=utf8';
+            $dsn = 'mysql:host=' . Config::DBUrl() . ';dbname=' . Config::DB_NAME . ';charset=utf8';
             try {
                 $db = new PDO($dsn, Config::DB_USER, Config::DB_PASSWORD, $ssl);
                 //$db->setAttribute(PDO::ATTR_ERRMODE, PDO::ERRMODE_EXCEPTION);