Traditional Culture Encyclopedia - Hotel franchise - What should I do if someone knocks at the door in the hotel?

What should I do if someone knocks at the door in the hotel?

Look who it is from the cat's eye. If you don't know, you can ignore it If it is a service person, first hang the anti-intrusion chain on the door and open the door to observe. If it is really safe, people can enter the room. When there are strangers in the room, leave the door open and stand away from it. If there is danger, he will run to the door at the first time.