Fang Guozhen's secret letter came. The letter said that he knew that Chen Youliang was Lin Yuan's enemy, so he first helped to watch Chen Youliang. If Lin Yuan wanted to do something, he could cooperate with Lin Yuan.
"Five points are true and five points are false." Yang Shaowei said, "Fang Guozhen is this person who has always been on the right side. If you don't see a rabbit, you don't spread an eagle, and both sides sell well."
Lin Yuan nodded: "You don't have to believe it."
Chen Youliang defected to Fang Guozhen, or he surrendered to the Yuan Dynasty—obviously impossible.
Or, he persuaded Fang Guozhen to rebel again.