Li Guangdi's former residence (Xinyi), also known as Changyoutang, is the residence of the Qing Dynasty Wenyuange University and the Shangshu Li Guangdi of the Ministry of Commerce, the entrance of the north end of the East Lane, and the gate pavilion is "Zanyuan Chongwanguo, Gaozhiju District 8". A stone carving at the door, a closer look is broken, this is Li Guangdi specially designed to wake up future generations to be a clean and honest Qing official and placed.