《资治通鉴·晋纪·晋纪二十四》
郭庆继续前进，抵达龙城，太傅慕容评逃奔到高句丽，高句丽拘捕了慕容评，把他送到前秦。
郭庆进至龙城，太傅评奔高句丽，高句丽执评，送于秦。
Guo Qing continued forward and reached Longcheng, where the grand tutor Murong Ping fled to Goguryeo, who arrested Murong Ping and sent him to the former Qin.