diff --git a/app/Http/Controllers/PagesController.php b/app/Http/Controllers/PagesController.php
index 6739082..c6b4839 100644
--- a/app/Http/Controllers/PagesController.php
+++ b/app/Http/Controllers/PagesController.php
@@ -11,7 +11,8 @@ class PagesController extends Controller
 
     public function permissionDenied()
     {
-        if (config('administrator.permission')) {
+        $is_allow = config('administrator.permission');
+        if (($is_allow && is_callable($is_allow) && $is_allow() === true) || $is_allow === true) {
             return redirect(url(config('administrator.uri')), 302);
         }
         return view('pages.permission_denied');