Yang Xingmi
Yang Xingmi then took these joint forces and put Yang Prefecture under siege. Qin and Bi initially defended the city against the siege, but their attempts to counterattack were repelled by Yang Xingmi, who inflicted heavy losses on their troops. Meanwhile, under siege, Yang Prefecture was running out of food supplies, leaving to severe famine and cannibalism. (During the siege, Qin put Gao to death, and Yang Xingmi responded by a great display of mourning.) After several months, Yang Xingmi, unable to capture the city, considered withdrawing, but one night, Lü's former subordinate Zhang Shenwei () opened the city gates and allowed Yang Xingmi's forces in. Qin and Bi fled, allowing Yang Xingmi to capture the city. He claimed the title of acting military governor, while putting Lü and several other officers whose loyalty he considered suspect to death, including Zhang Shenjian.