 After Li Keyong arrived at Bian, he initially offered to camp outside the city, but Zhu invited him to stay at the guest pavilion in the city and held a grand feast for him.At the feast, however, after Li Keyong became drunk, he used arrogant language that offended Zhu.Zhu and his officer Yang Yanhong (楊彥洪) then planned an ambush against Li Keyong.