He instructed his men to construct defensive structures from Chixi (赤谿) to Gushi (故市) to form an encirclement around Bu Chan's position, while at the same time defending the area from attacks by Jin forces.
Hearing that Lu Kang was approaching Xiling, Jin sent the Chief Controller of Jing Province, Yang Hu to rescue Bu Chan.
As he expected, they did not succeed in capturing the city, so his officers gave up their idea of attacking and complied with Lu Kang's orders to construct the defensive structures.
When Yang Hu reached Dangyang (當陽; southwest of present-day Jingmen, Hubei), he was dismayed to hear that the dyke had been destroyed.
[5] Xu Yin (徐胤), the commander of the Jin garrison at Badong Commandery (巴東郡; around present-day Fengjie County, Chongqing), led naval forces towards Jianping (建平; around present-day Zigui County, Hubei), while Yang Zhao (楊肇), the Inspector of Jing Province (also under Jin control), led troops towards Xiling.
Lu Kang gave orders that: Zhang Xian reinforce Jiangling's defences; Sun Zun (孫遵), the Commandant of Gong'an County, patrol the south river bank and resist Yang Hu; and Liu Lü (留慮) and Zhu Wan (朱琬) guard against Xu Yin's attacks.
Lu Kang knew that Yu Zan was aware of the mutinous tribal soldiers in his army and may inform Yang Zhao about this weakness.
Lu Kang sent a small group of lightly armed soldiers to pursue Yang Zhao and they inflicted a crushing defeat on the enemy.
Bu Chan, along with his family and high-ranking officers, were executed for treason, while the others, numbering over 10,000, were pardoned after Lu Kang requested the Wu court.