周世宗
Li Gu advised Chai Rong to assume control of the siege of Shouchun once more to bolster the morale of his troops. The city was also close to surrender. Returning south in April, on the 9th Chai Rong successfully attacked the Southern Tang positions at Purple Mountain. About 40,000 Southern Tang were killed and several of their generals were captured. The beleaguered garrison of Shouchun surrendered to the Later Zhou on 23 April. Southern Tang control over Huainan was firmly removed.