《旧五代史·后汉·隐帝纪中》
二十二日，永兴府赵思绾派牙将刘成到京城求降，诏令授赵思绾为华州节度留后、检校太保，以永兴城内都指挥使常彦卿为虢州刺史。
乙丑，永兴赵思绾遣牙将刘成诣阙乞降，制授赵思绾华州节度留后、检校太保，以永兴城内都指挥使常彦卿为虢州刺史。
On the 22nd day, Zhao Sihuan from Yongxing prefecture sent his personal guard Liu Cheng to the capital to seek surrender. The emperor ordered that Zhao Sihuan be appointed as the prefect of Tongzhou and the deputy chief military governor of Huazhou, with Chang Yanqing, the chief commander of Yongxing, be appointed as the prefect of Guozhou.