When did Li Jin hit Fang Zhijing?

Li Jin hit Fang Zhijing in the 22nd episode. According to relevant data, in the 22nd episode of TV series "Light Me Up and Warm You", Kun Li (the male host) beat Fang Zhijing (indirectly killed the male host and sister) at the information security competition award ceremony, which caused Fang Zhijing to lose half of his eye and was sentenced to 3 to 10 years.