Introduction to Renfengmen: The east gate of Miancheng, formerly known as Dadongmen, was renamed "Renfengmen" in memory of Duke Di Liang. After that, all the county officials, state officials, and government officials who came to take office in Miancheng took boats from the official road of Tongzhou River, walked along the Red Flower Embankment, passed Baguayan, passed by Di Lianggong's Political Affairs Office, and entered through "Renfeng Gate". The city aims to imitate Di Lianggong in benevolent government and establishing benevolent style.