《资治通鉴·晋纪·晋纪二十八》
后燕赵王慕容麟的军队没有抵达魏国，拓跋窟咄逐渐前进紧逼魏王拓跋，贺染干入侵魏国北部以响应他。
燕赵王麟军未至魏，拓跋窟咄稍前逼魏王珪，贺染干侵魏北部以应之。
Murong Lin, the King of Zhao of the Later Yan, did not reach Wei. Tuoba Kudu gradually advanced and closely pressed Wei King Tuoba, while He Ranggan invaded the northern part of Wei to respond to him.