Incompatible software systems will lead to the failure of adding pictures to the classroom space of Dongcheng Moral Education Network. It is recommended to exit Dongcheng Moral Education app and log in again.

Dongcheng generally refers to Dongcheng District and belongs to Beijing. Located in the eastern central area of Beijing, it borders Chaoyang District in the east and north, Fengtai District in the south and Xicheng District in the west.