Introduction to the performance: The Gan family has made contributions to the country in either literature or martial arts since ancient times, while Gan Gongsan and his children have made promoting the art of Beijing and Kunming their lifelong career. The Beijing-Kunming Study Club has also been established in Ganxi's former residence. Under the auspices of Gan Gongsan's granddaughter Wang Xiaodan (daughter of Wang Jianyun), Nanjing fans are united to carry out artistic activities.