兴业路石库门，一盏灯，点燃党建伟业； deep in the alley of Hongkou, martyr Li Bai lives in a shabby house, and red radio waves build an air bridge to Yan'an... Spanning 105 years, asking about the original intention, looking back on the journey, and comprehending the mission at the place of origin can better interpret the spiritual code of our party that has gone through vicissitudes but has not changed its original intention, and has weathered hardships but remains true to itself.