Dream: Traveling Through the Ancient World

This novel is a dream I had and I wrote it down. ..... While escaping, Lu Yun entered the strange ruins of the ancient world, met a woman in ancient clothes, and inadvertently traveled to the ancient world. However, this ancient world was very strange, and he had to use a "key" to enter the "three gates" to return to the present world. After going through some things, Lu Yun returned to the world with some secrets.