"Dear alien, I am the ambassador from the human race on Earth. I have a heavy responsibility and come with the wish for peace. May our friendship last forever." This was the opening statement prepared by Eleven. However, when Eleven finally pried open the door of the landing cabin, he found a large circle of ancient people, and the leading female general said very fiercely: "Just grab them and take them away." This is a story about artificial intelligence. The collision of two eras and the confrontation of three civilizations create a different excitement.