《旧五代史·后唐·列传二十六》
这时魏王李继岌到泥溪，康延孝向李继岌报告说 ：河中士兵号哭，将作乱。 
时魏王继岌到泥溪，延孝报继岌云： 河中兵士号哭，欲为乱。 
At the time, King Wei, Li Jiji, was at Nixi, and Kang Yanxiao reported to him, saying, “The soldiers from Hezhong are wailing, and they are on the verge of revolt.”