What does the fork in the road in Beijing Opera mean?

In the Song Dynasty, Jiao Zan, the general of Sanguan, was sent to Shaman Island for killing Wang Qinruo's son-in-law Xie Jinwu. Ren was ordered to secretly protect. Escort Jiao Zan to Sanchakou on business and spend the night in Liu Lihua. In the evening, Ren rushed to the store to stay overnight, and Ren and Liu fought because of misunderstanding. In the fight, they recognized Ren and explained his identity, and the two cleared up the misunderstanding. "Sanchakou" was named "Jiao Zan School". Based on chapters 27 to 28 of The Legend of Yang Jiajiang. In the original book, Liu Lihua and his wife are villains. 195 1 year, China Peking Opera Troupe was changed into a positive figure, and it fought with Ren because of misunderstanding. He often performed abroad and became an excellent actor. 195 1 year, Zhang Yunxi and Zhang Chunhua won prizes for their performances at the World Youth Student Festival. Sichuan Opera, Han Opera, Shaanxi Opera, Henan Opera and Kunqu Opera all have this repertoire.