TimerComponent timer = Game.Scene.GetComponent<TimerComponent>();
room.waitCts = new CancellationTokenSource();
await timer.WaitAsync(this.waitTime, this.room.waitCts.Token);
//运行到这里就报错
NullReferenceException: Object reference not set to an instance of an object
ETModel.WaitingTimeBehavior+<Waiting>d__3.MoveNext () (at Assets/Model/Test05/WaitingTimeBehavior.cs:25)