《北史·列传·卷三十九》
孝昭帝将要到云龙门，都督成休宁列队拒绝，不放他进城，归彦谕告休宁，然后才放孝昭帝入城。
孝昭将入云龙门，都督成休宁列仗拒而不内，归彦谕之，然后得入。
6. When Emperor Xiaozhao was about to reach Yunlongmen, the director Cheng Xiuning lined up to refuse, not allowing him to enter the city. Guiyan informed Xiuning and then let the Emperor Xiaozhao enter the city.