元代
Sun Kaidi "Dynasty Yuan Dynasty," according to Yuan Qiu Yuan "Yuan Gold Collection" Volume II "and Li Zhiyuan Jun deep scholar," poetry, that Li Zhiyuan the Liyang (this is of Jiangsu Province) who, when the name of deep character Zhiyuan. Life is not proud, but poor at heart, aloof aloof. Ming Zang Jinshu "Yuan Drama election" in the "also in prison at the end," signed by Li Zhiyuan Drama. Ming Zhu rights "Wo pronunciation spectrum," comments the words "such as Yu Xia Kun."