diff --git a/Action.php b/Action.php
index e43a69c..d80481f 100644
--- a/Action.php
+++ b/Action.php
@@ -4,14 +4,14 @@ class Access_Action implements Widget_Interface_Do
 
     private $response;
     private $request;
-    private $extend;
+    private $access;
 
     public function __construct()
     {
         $this->response = Typecho_Response::getInstance();
         $this->request = Typecho_Request::getInstance();
-        require_once __DIR__ . '/Access.php';
-        $this->extend = new Access_Extend();
+        require_once __DIR__ . '/Access_Bootstrap.php';
+        $this->access = new Access_Core();
     }
 
     public function execute()
@@ -51,7 +51,7 @@ class Access_Action implements Widget_Interface_Do
             if (!is_array($data)) {
                 throw new Exception('params invalid');
             }
-            $this->extend->deleteLogs($data);
+            $this->access->deleteLogs($data);
             exit(Json::encode(array(
                 'code' => 0,
             )));
@@ -66,7 +66,7 @@ class Access_Action implements Widget_Interface_Do
 
     protected function checkAuth()
     {
-        if (!$this->extend->isAdmin()) {
+        if (!$this->access->isAdmin()) {
             throw new Exception('Access Denied');
         }
     }