李振中先生没有区分史料价值的不同层次,特别是忽视了唱和参与者徐铉的直接记述,从而得出南唐元宗君臣元日唱和发生于保大五年(947)的错误结论。此次唱和实际发生于保大七年(949)。 Mr. Li Zhenzhong did not distinguish between the different levels of historical value, especially the direct description of singing and participant Xu Xuan, and concluded the mistaken conclusion that Yuan dynasty sings on the first day of the Yuan Dynasty in Nan Tang and occurred in the five years of Bao Da (947). The singing and actually occurred in Paul seven years (949).