《资治通鉴·唐纪·唐纪十五》
沙州刺史苏海政、尚辇奉御薛万备率领精锐骑兵追击布失毕，行军六百里，布失毕慌慌张张，据守拨换城，社尔领兵攻城，用了四十天，闰十二月，丁丑，攻陷城池，生擒布失毕以及羯猎颠。
沙州刺史苏海政、尚辇奉御薛万备帅精骑追布失毕，行六百里，布失毕窘急，保拨换城，社尔进军攻之四旬，闰月，丁丑，拔之，擒布失毕及羯猎颠。
Su Haizheng, the Prefect of Shazhou, and Xue Wanbei, a Servant for Imperial Supplies, led a troop of elite calvary to pursue Bushibi, covering 600 miles. Bushibi was thrown into a panic; he guarded Boluanhua Fortress. She'er led troops to attack the fortress, and after 40 days, in December, Ding Chou, he captured the fortress and took Bushibi and Jieledian captive.