according to the inquiry in official website, Tik Tok, it is known that the personal authentication page of "Teacher Chapter 99" shows that Mr. Chapter 99 is a national first-class guzheng player, Mr. Zhang Ying, who is from Hunan. Zhang Ying won the gold medal in the National Guzheng Competition, was awarded the honorary title of "Guzheng Singing Artist" by the Chinese Music Association, and was hired as a professional teacher to teach Guzheng performance by the National Art Institute.