The tree of Duke Zhou is covered with red lanterns.

I dreamed that the tree was covered with red lanterns, but I got stuck for a small mistake I made carelessly. In fact, as long as you pay more attention, you can avoid this situation, that is, things will be confirmed before submission, and these steps are not lazy. However, action still helps a little. If something goes wrong and the secret is solved privately, it will not be made public.