《资治通鉴·晋纪·晋纪二十四》
当初，前燕宜都王慕容桓率领一万多兵众驻扎在沙亭，作为太傅慕容评的后继部队，听说慕容评失败后，他带兵移驻内黄。
初，燕宜都王桓帅众万馀屯沙亭，为太傅评后继，闻评败，引兵屯内黄。
At that time, Murong Huan, King Yidu of Former Yan, led an army of over ten thousand to garrison at Sha Ting, as the reserve force of Grand Tutor Murong Ping. Upon hearing that Murong Ping had suffered a defeat, he withdrew his troops to Neihun.