Stop and restart the CVSNT service and lock service.
停止并重新启动CVSNT服务和锁服务。
2
No need to stop by the reception. Guests can go straight to their room and place their phone in front of the lock and the door opens.
不需要在前台停留。客人可以直接走到他们的房间，把他们的手机放在房门锁的前面，门就可以开了。
3
When a thread a tries to acquire a JUC lock, while this lock has been acquired by another thread, then thread a has to "stop" its execution and wait until this lock is released or times out.