What's the use of saying good night to Lafayette?

Say good night to galeries lafayette. According to relevant public information, in ancient times, saying good night was expressed in classical Chinese: rest, go to bed, rest, sleep and be safe. In ancient times, there was no such word as good night. People usually say: it's getting late, go to bed early. Or, tomorrow's appointment, go to bed first. For a high-ranking person like Lafayette, it is generally said: It's getting late, Lafayette.