《资治通鉴·汉纪·汉纪四十五》
在此之前，八任都尉大都贪图金钱和财物，使羌人感到愁苦。及至张奂继任，他端正自身，清廉克己，东羌人无不心悦诚服，政令和教化，推行无阻。
前此八都尉率好财货，为羌所患苦；及奂正身洁己，无不悦服，威化大行。
Before that, the eight commandants had mostly been greedy for money and valuables, which had filled the Qiang with misery. When Zhang Huan succeeded to the position, he conducted himself with rectitude, was honest and austere with himself, and the Xiqiang people were all sincerely impressed, and his administration and edicts were unopposed.