《北史·列传·卷十六》
皇兴四年，皇帝御驾北征，要亲自率众宣誓，而刘尼因为喝醉了酒，军容不整。
皇兴四年，车驾北征，帝亲誓众，而尼昏醉，兵陈不整。
In the fourth year of the Huangxing era, the emperor embarked on a northern expedition and was going to lead the crowd in taking an oath, and Liu Ni was drunk and in disarray.