吉林城德胜门是清同治年间扩城时为驻军开设的一座城门。该片从城门名称由来到周围军事、商业、文娱等方面进行讲述演绎，充分运用AIGC技术图生视频、文生视频，还原300年前老城景象。知所从来，方明所往，通过对话古今城市变化，感受中华民族现代文明发展，见证中国式现代化火热进程。 The Desheng Gate of Jilin City was a city gate opened for the garrison during the expansion of the city in the Tongzhi period of the Qing Dynasty. This film tells and interprets from the origin of the gate's name to aspects such as the surrounding military, commerce, and cultural and entertainment. It makes full use of AIGC technologies like generating videos from images and generating videos from texts to restore the scene of the old city 300 years ago. Only by knowing where we came from can we understand where we are going. Through the dialogue about the changes of the city in ancient and modern times, we can feel the development of the modern civilization of the Chinese nation and witness the dynamic process of Chinese-style modernization.