It is because the person made inappropriate remarks on a certain program.
Liu Zikun, a master of the National Exhibition, has the courtesy name Kuofu and the nicknames Kuo Xi Tang, Ling Ji Zhai, and General Dou Dan. Calligrapher and seal engraver, born in 1986, from Xingguo, Jiangxi Province; he was expelled from the school because Liu Zikun made inappropriate remarks during a live broadcast on the self-media platform, which caused a great negative impact, and the decision was made to suspend Liu Zikun's social membership.