Because Cao Yunjin spoke ill of Guo Degang after quitting Deyun Club, and then Guo Degang posted on Weibo to withdraw Cao Yunjin's Yunzi, and the two officially broke up.

Guo Degang announced his family tree and said: "What should be cleared should be cleared, and what should be driven away. The so-called cleaning up of the family is to give an explanation to the good people. Wherever the sun and the moon shine, and where the rivers go, we must be loyal and upright. For this.

Leave your stage name and take away your face, and I hope you will have a long journey from now on and never have to see you again." This move was considered to be a break with his apprentices He Yunwei and Cao Yunjin who left Deyun Society.

Extended information

Cao Yunjin’s related response: On September 4, 2016, Cao Yunjin’s blog was suspected of responding to Guo Degang’s recent announcement about the delisting of Deyunshe’s family tree, saying that Guo Degang was “framing and framed” ”, and used words such as “Kill them all” and “Kill us to death”. At noon today (September 5), Cao Yunjin published another 6,000-word long article detailing his past with Guo Degang, and at the same time said, "It's time to settle things."

He also said, "It's your world that is dangerous, but in my world, there is sunshine, and we have different paths and do not work together. In this way, life has a long road ahead, and we really don't need to see each other again!" Cao Yunjin's agent later posted on WeChat Moments. : "It has been fourteen years, and it has not been easy for Jin Zi to go all the way. We have witnessed many things together. Come on, Boss Cao, we are not people of right and wrong. We are involved in right and wrong. It is a helpless act to speak out like this!"