some fix

kernel/modules/secure/controllers/SecureController.php

@@ -44,9 +44,8 @@ class SecureController extends AdminController
             Flash::setMessage("error", "User not found.");
             $this->redirect("/admin/login", code: 302);
         }
-
         if (password_verify($loginForm->getItem("password"), $user->password_hash)) {
-            setcookie('user_id', $user->id, time()+60*60*24, '/', $_SERVER['SERVER_NAME'], false);
+            setcookie('user_id', $user->id, time()+60*60*24, '/', $_SERVER['HTTP_HOST'], false);
             $this->redirect("/admin", code: 302);
         } else {
             Flash::setMessage("error", "Username or password incorrect.");