They Say I'm a Tomb Robber

The police officer: "Come on, take a good look, does this photo look familiar?"The protagonist: "This is a cave? Never seen it. What kind of cave is it?"The police officer: "Look at this one, do you recognize it?"The protagonist: "This... this is a spider? Sorry, I don't know anything about biology, I really can't tell what kind of species it is."The police officer: "If you can't tell, why are you stammering? Mei Qian, you are a heinous tomb robber, why don't you honestly confess your crimes?"Mei Qian never dreamed that his tomb-robbing novel, which he both plagiarized and wrote himself, would be 'bumped into' by an ancient tomb in a parallel world. The key is that he transmigrated, and he can't explain where he was a few years ago. How to break this deadlock?