《资治通鉴·后唐纪·后唐纪二》
李绍琛等率军经过长举，兴州都指挥使程奉琏率领他的所属部队五百人前来投降，请求首先修治桥梁和栈道，等待后唐军的到来，这样后唐军行进就不用提心有什么险阴。
李绍琛等过长举，兴州都指挥使程奉琏将所部兵五百来降，且请先治桥栈以俟唐军，由是军行无险阻之虞。
Li Shaochen and the others led the army past Changju. The commander of Xingzhou, Cheng Fenglian, led five hundred from his division to surrender, requesting that they be the first to repair the bridges and roads and await the arrival of the Later Tang army, so as to relieve them of any danger.