《魏书·帝纪·卷二》
夏四月，皇帝因军粮不能跟上，就下韶征束大将军束平公互懂解除对面继的包围，迁到堑鹿屯驻，在杨城聚积租谷。
夏四月，帝以军粮未继，乃诏征东大将军东平公元仪罢鄴围，徙屯钜鹿，积租杨城。
In the fourth month of summer, because of the failure to provide the provision, the emperor commanded that the general Zhong Da and the army led by Zhong Pinggong stop the siege and move back to Qie Lu, preparing foods in Yangcheng.