《资治通鉴·汉纪·汉纪四十八》
凉州刺史、右扶风郡人孟佗派遣从事任涉率领敦煌郡兵五百人，会同戊已校尉曹宽、西域长史张宴，动员焉耆王国、龟兹王国、车师前王国、车师后王国军队，共三万余人，前往讨伐疏勒王国，功打桢中城，经过四十余天不能攻克，只好撤退。
凉州刺史扶风孟佗遣从事任涉将敦煌兵五百人，与戊己司马曹宽、西域长史张宴将焉耆、龟兹、车师前、后部，合三万馀人讨疏，攻桢中城，四十馀日不能下，引去。
Governor of Liang State and a native of You Fufeng State Meng Tuo sent his staff member Ren She to lead a 500-man army from Dunhuang State, and joined forces with Colonel General Cao Kuan, Administrator of the Western Regions Zhang Yan, and mobilized the armies of the states of Yanqi, Qiuzi, and Former/Rear Cheshi, a total of more than thirty thousand men, to attack the state of Shule, laid siege to the city of Zhenzhong, but failed to capture it after more than forty days and had to retreat.