《资治通鉴·唐纪·唐纪六十四》
军中将要发生变乱，张直方知道情况不妙，假说外出行猎，带着全族逃归京师长安；卢龙军中推牙将周为留后。
军中将作乱，直方知之，托言出猎，遂举族逃归京师。
When a rebellion was about to break out in the army, Zhang Zhifang knew it was bad, in the pretense of going out hunting, and fled back to imperial capital Chang'an with his entire family; Zhou, a tuishijiang in Lulong's army, was made liuhou.