The Changheng Mansion introduced the "legendary Dudu" in Chengdu history. In 1911, Zhao Erfeng, the governor of Sichuan Province of the Qing Dynasty, attempted to plan the mutiny, and Changheng seized Zhao's military power and arrested him, and publicly beheaded him. His decisive measures won the support of all sectors of Sichuan and contributed to the social stability of Sichuan.