The Video I Watched Was Actually Put into Ancient Times

Li Lele is a sophomore student. During the summer vacation, she was watching videos at home. Unexpectedly, the content of the videos traveled through time and space and was put into the sky of various dynasties. People were surprised, panicked, and anxious at first, thinking that it was the end of the world. But after two or three months, nothing happened. People gradually got used to its existence and gave it a name - Tianmu. The content played by the canopy also brought changes to people living in ancient times, and there is still hope... Ps. The heroine is unaware and does not interact.