《新五代史·列传·杂传第二十七》
有关官府逼迫李承勋自称臣子，李承勋不屈服，按照诸侯国之间交往的礼节进见，刘守光发怒，杀了他。
有司迫承勋称臣，承勋不屈，以列国交聘礼入见，守光怒，杀之。
The relevant authorities forced Li Chengxun to call himself a subject, but Li Chengxun refused to submit and paid homage according to the etiquette between vassal states. Liu Shouguang was furious and killed him.