/**
  * 入队列
  */
 public function init()
 {
     self::$_queue_handler = self::$_queue_handler === null ? \yii::$app->queue : self::$_queue_handler;
     if (!self::$_queue_handler instanceof \yii\queue\RedisQueue) {
         throw new InvalidConfigException('queue handler not exists!');
     }
     parent::init();
 }
 public function init()
 {
     $this->_init();
     parent::init();
 }