《旧唐书·列传·卷一百二十一》
元和十二年，升任赞善大夫，仍在分设于东都的府署任职。
十二年，迁赞善大夫，依前分司。
In the 12th year of Yuanhe, he was promoted to the position of assistant major, still serving in the government office set up in the eastern capital.