public function actionIndex() { if (\Yii::$app->user->isGuest) { $model = new LoginForm(); if ($model->demoLogin()) { return $this->goHome(); } else { return $this->redirect(Url::toRoute('user/login')); } } // $this->layout='login'; // User:: $this->layout = 'intro'; return $this->render('index', []); }