《北史·列传·卷八》
明元帝初年，担任内侍长，皇帝让他考察和举荐百官，纠正和弹劾奸佞之徒，不要有什么避讳。
明元初，为内侍长，令察举百寮，纠刺奸慝，无所回避。
In the first year of Emperor Mingyuan's reign, he became the chief attendant, and the Emperor asked him to investigate and recommend the officials, and to criticize and impeach the treacherous ones, without any taboos.