《旧唐书·列传·卷四十五》
到玄宗讨平萧至忠、岑羲等，成器又晋位任太尉，依旧兼扬州大都督之职，又加实封一千户。
及玄宗讨平萧至忠、岑羲等，成器又进位太尉，依旧兼扬州大都督，加实封一千户。
When Xuanzong put down the rebellion of Xiao Zhizhong and Cen Xi, Chengqi was promoted to Tawei, still holding the post of Grand Governor of Yangzhou and being granted an additional 1,000 households as his fief.