no message

@@ -7,7 +7,7 @@ class Common extends Controller
     protected $mod,$role,$system,$nav,$menudata,$cache_model,$categorys,$module,$moduleid,$adminRules,$HrefId;
     public function initialize()
     {
-        print_r($_SESSION);die;
+        var_dump($_SESSION);die;
         //判断管理员是否登录
         if (!session('aid')) {
             $this->redirect('admin/login/index');