《新唐书·列传·卷十六》
开皇末年，对策为高第，授职为文林郎，轮值于内史省。
开皇末，对策高策，授文林郎，直内史省。
At the end of the Kaihuang era, he performed well in the imperial examination and was given the position of Wenlinlang, taking turns on duty in the Neishi Province.