《旧五代史·后梁·列传十二》
车驾凯旋，杨师厚屯驻魏州。当庶人朱友王圭篡夺帝位时，魏州衙内都指挥使潘晏与大将臧延范、赵训图谋变乱，有人告发他们的阴谋，杨师厚便分布士兵捕捉他们，杀死了他们。
《欧阳史》云：师厚乘间杀魏牙将潘晏、臧延范等，逐出节度使罗周翰。
The emperor returned triumphantly and Yang Shihou garrisoned Weizhou. When the commoner Zhu You Wang Gui usurped the throne, Pan Yan, the commander of the Weizhou government office, and the generals Zang Yanfan and Zhao Xun plotted a rebellion. Someone reported their plot, and Yang Shihou sent soldiers to capture and kill them.