《旧唐书·列传·卷一百三十七》
走到谯州，遇上亳州刺史丁叔则与汴州刺史王要汉都率领自己的部队投降了王世充，路途便被阻隔了。
行次谯州，会亳州刺史丁叔则及汴州刺史王要汉并以所部降于世充，路遂隔绝。
When I arrived in Qizhou, Ding Shuze, the governor of Bozhou, and Wang Yaohan, the governor of Bianzhou, both led their troops to surrender to Wang Shichong, and the road was blocked.