《魏书·列传·卷十二》
昭成帝于是命令各军包围代城，对城中人说： 燕凤不前来，我将屠杀你们。 
乃命诸军围代城，谓城人曰： 燕凤不来，吾将屠汝。 
Emperor Zhaocheng then ordered the armies to surround Daicheng and said to the people in the city: If Yanfeng does not come forward, I will slaughter you.