when he was one of the officers that Li Maozhen, then the military governor of Fengxiang Circuit (鳳翔, headquartered in modern Baoji, Shaanxi), sent to aid his ally Gu Yanhui the military governor of Dongchuan Circuit (東川, headquartered in modern Mianyang, Sichuan) when Gu was under attack by Wang Jian the military governor of Xichuan Circuit (西川, headquartered in modern Chengdu, Sichuan).