《旧唐书·本纪·卷九》
二十四日，驻扎在河池郡，崔圆上奏说剑南岁丰民安，储备供给不缺。皇上大喜，授予圆中书侍郎、同中书门下平章事，蜀郡长史、剑南节度副大使之职依旧如前。
丙午，次河池郡，崔圆奏剑南岁稔民安，储供无阙，上大悦，授圆中书侍郎、同中书门下平章事，蜀郡长史、剑南节度如故。
On the 24th, they stationed in Hechi county, Cui Yuan reported that the swordsman was prosperous and the people were peaceful, and the supplies were abundant. The emperor was overjoyed and granted Yuan the positions of minister of the Ministry of staff, minister of the Ministry of Staff, long history of Shujun county, and deputy chief envoy of Jiannan circuit.