《旧唐书·列传·卷六十一》
不久上疏皇上自荐带兵去消灭寇贼，收复东京，肃宗期望他能成功，同意了。
寻抗疏自请将兵以诛寇孽，收复京都，肃宗望其成功，许之。
Before long, the emperor was self-recommended to lead his troops to eliminate the bandits and recover Tokyo. Emperor Suzong hoped that he would succeed and agreed.