This is Du Yuesheng, whose original name is Du Yuesheng, because he was born on July 15th. Later, after the old man became successful, someone helped him name him Du Yong, with the word Yuesheng, taking the meaning of Eastern happiness as Yong and Western happiness as Sheng, so Isn’t it much more elegant?
Du Guosheng is a character in the TV series. He is based on Du Yuesheng with some fictional elements added and deliberately beautified the protagonist. However, the government is unwilling and cannot be staged in the mainland, so he is called Du Guosheng,