《魏书·列传·卷十六》
太祖听说后，韶令庾岳率领一万骑兵，返回讨伐叱奴根等人，消灭他们，百姓才安定下来。
太祖闻之，诏岳率万骑，还讨叱奴根等，殄之，百姓乃安。
When Taizu heard about it, he commanded Yu Yue to lead 10,000 cavalry to fight against Chinugen etc. and conquered them, and the people lived in peace.