What does the contestant Zhang do at the opening ceremony tonight?

Zhang, a contestant at the opening ceremony tonight, is a network practitioner. According to relevant data, Zhang, a native of Yichuan County, Luoyang City, Henan Province, 1997, met Zhang on his way off work. In the days to come, Zhang took good care of this goddaughter, and Zhang was always grateful. 202 1, Zhang chose to stop work and spent 660,000 yuan to buy an RV.