明朝万历年间,中国北方的女真为患。皇帝为了抗御强敌,决心整修万里长城。当时号称“天下第一关”的山海关,早已年久失修,其中“天下第一关”的题字中的“一”字,已经脱落多时。万历皇帝募集各地书法名家,希望恢复山海关的本来面貌。各地名士闻讯, During the Wanli period of the Ming Dynasty, Jurchen in northern China was suffering. In order to resist the enemy, the emperor was determined to revamp the Great Wall. At the time, Shanhaiguan, which was known as the “first off the world,” had long been in disrepair, and the word “a” in the inscription of “the first order of the world” had been lost for a long time. The Emperor Wanli recruited famous calligraphers all over the country and hoped to restore the original appearance of Shanhaiguan. The celebrities everywhere heard the news.