《资治通鉴·汉纪·汉纪三十七》
于是派征西将军耿秉屯驻酒泉郡，代理太守职务；派酒泉太守段彭与谒者王蒙、皇甫援征发张掖、酒泉、敦煌三郡郡兵及鄯善的军队，共七千余人，前往救援。
乃遣征西将军耿秉屯酒泉，行太守事，遣酒泉太守段彭与谒者王蒙、皇甫援发张掖、酒泉、敦煌三郡及善阝善兵合七千馀人以救之。
So he sent General Geng Bing, the General of the Western Conquest, to station in Jiuquan County and act as the governor; and sent Duan Peng, the governor of Jiuquan, together with Wang Meng and Huangfu Yuan, the envoys, to conscript troops from the three counties of Zhangye, Jiuquan and Dunhuang, and the army of Shanshan, totaling more than seven thousand people, to go to the rescue.