《资治通鉴·宋纪·宋纪六》
丁未，北魏国主前去漠南，准备袭击柔然，柔然敕连可汗远远逃走，于是停止。
丁未，魏主如漠南，将袭柔然，柔然敕连可汗远遁，乃止。
Dingwei, the king of the Northern Wei Dynasty went to the desert south to attack the Rouran. The Rouran Chilian Khan fled far away, so he stopped.