Cai Li in Huxian county was beaten by Shi Yongchao, a powerful gang. According to relevant data, during the renovation, Wanjia clashed with the sandbars headed by Shi Yongchao and He Mingtao, and Duan Yutao was seriously injured and shocked the whole community. After that, the sand cement in the community was supplied by Shi Yongchao's black forces at a high price.