《新唐书·列传·卷一百一十一》
他多次升官后任节度使，兼检校司空、同中书门下平章事，后又升任太保。
累拜节度使，加检校司空、同中书门下平章事，又进太保。
He was repeatedly promoted and became the governor, concurrent acting Minister of Works, and Minister of the Secretariat, and was later promoted to Grand Protector.