Why did Deshan change its name to Xiuyan?

In the TV series "Please Answer 1988", Cheng Deshan changed her name because Deshan's mother and neighbors went to tell her fortune. Experts said that if you want to become Deshan, you have to change your name to Xiuyan, so Deshan's mother made an order between her family and neighbors, and she must be called Deshan Xiuyan in the future!

Since high school, Cheng Deshan's grades have been very poor, which is in sharp contrast with his sister who was admitted to Korea University, the highest institution in Korea. Deshan's mother was heartbroken. In the parents' conversation before the college entrance examination, Deshan's performance is still not ideal. Just when everyone thought Deshan was going to fail the list, Deshan went to his ideal university, learned flight attendants and became a flight attendant.

In the play, Cheng Deshan's family, Jeong-hwan Kim's family and Cui Ze's family all live in Shuangmen East Hutong, and the neighborhood relationship is very harmonious. We are not only neighbors, but also good friends. Deshan experienced the growth of friendship and love here, and also met his lover: Cui Ze! Two people came together happily after a hazy secret love.