《新唐书·列传·卷十三》
大业末年，担任晋阳县令，和晋阳宫监裴寂相友善。
大业末，为晋阳令，与晋阳宫监裴寂善。
In the final years of the Daye reign period, he served as the magistrate of Jinyang County and became close friends with Pei Ji, the supervisor of Jinyang Palace.