/// <summary>
 /// 订阅事件
 /// </summary>
 /// <param name="eventType"></param>
 /// <param name="factory"></param>
 /// <returns></returns>
 public override IDisposable Subscribe(Type eventType, IEventHandlerFactory factory)
 {
     // 自定义的事件订阅者,可以不需要事件注册的事件类型
     CustomDistributedEventSubscriber.Subscribe(eventType, factory);
     return(new DisposeAction(() => CustomDistributedEventSubscriber.UnSubscribe(eventType, factory)));
 }