code: public static function getNotifyData($type, $config)
      {
          try {
              $instance = self::getInstance($type, $config);
  
              return $instance->getNotifyData();
          } catch (PayException $e) {
              throw $e;
          }
      }
docs: 返回异步通知的结果
  @param $type
  @param $config
  @return array|false
  @throws PayException