《旧唐书·列传·卷九十八》
后来升为屯田员外郎，仍旧担任太常博士，又改任驾部员外郎。
迁屯田员外郎，博士如故，改驾部员外。
He was later promoted to Clerk of the Department of Civil Administration while holding his post as Doctorate of the Grand Temples, and was later transferred to Clerk of the Bureau of Chariots.