《北史·列传·卷八十二》
诏令司徒潘相乐率精锐骑兵五千，从东路奔赴青山；又诏令安德王韩轨率四千精锐骑兵向东开拔，断绝契丹国逃路。
诏司徒潘相乐帅精骑五千，自东道趣青山；复诏安德王韩轨帅精骑四千东趣，断契丹走路。
He ordered Situ Pan Xiangyue to lead 5,000 elite cavalry from the east road to rush to Qingshan; and ordered King Hanguo of Ande, Han Gui, to lead 4,000 elite cavalry to march eastward and cut off the Khitan's escape route.