《资治通鉴·后梁纪·后梁纪二》
唐道袭畏惧，奏称郑顼狭隘急躁，不能担当大任，丙午，调郑顼出任果州刺史，任命宣徽南院使潘炕为内枢密使。
道袭惧，奏项褊急，不可大任，丙午，出顼为果州刺史，以宣徽南院使潘炕为内枢密使。
Tang Dao Xi was afraid, so he played that Zheng Xu was narrow-minded and irritable and could not take on important responsibilities. On the day of Bingwu, Zheng Xu was transferred to be the Prefect of Guo Prefecture, and Pan Kang, the Envoy of South Sector of Xuanhui Court, was appointed as the internal secret envoy.