《资治通鉴·宋纪·宋纪六》
还没有到，鄯善王比龙很害怕，率领人马逃到且末，他的嫡长子向沮渠安周投降。
未至，鄯善王比龙畏之，将其众奔且末，其世子降于安周。
Before they arrived, King Bilong of Shanshan was very scared and led his troops to flee to Qiemo. His legitimate eldest son surrendered to Juqu Anzhou.