public static function create($name, $alias, $url) : self
    {
        $self = new static();
        $self->name  = $name;
        $self->alias = $alias;
        $self->url   = $url;
        $self->created_by = Yii::$app->user->identity->id;
        $self->updated_by = Yii::$app->user->identity->id;
        return $self;
    }