On July 7, a bus broke through a stone barrier and fell into a lake in Anshun, Guizhou Province, killing 21 people and injuring 16 people. Zhang, a 52 year old bus driver, has been driving No. 2 bus since 1997. It is reported on the Internet that the daughter of the bus driver who failed in the college entrance examination last year committed suicide, but she also released a video on the platform on June 12, 19. According to his former colleagues, “he has a very good personality and a very good person”. Among the 313 dynamic items released by Zhang, most of them are singing videos, most of them are relaxed. 12 days before the incident, he also released a video of having dinner with his father.