public function setTitle($title)
    {
        if (!empty($title)) {
            Yii::$app->view->registerMetaTag(['name' => 'title', 'content' => $title], 'title');
            Yii::$app->view->registerMetaTag(['name' => 'og:title', 'content' => $title], 'og:title');
            Yii::$app->view->title = $title;
        }
        return $this;
    }