《北史·列传·卷四十九》
又招募勇士，顺着绳子出城作战，占领了东魏军队的两座土山，在上面建造楼垛以帮助防守。
仍募勇士，缒而出战，据其两土山，置楼堞以助防守。
He also recruited warriors, followed the rope out of the city to fight, occupied the two earthen hills of the Eastern Wei army, built towers on them to help defend.