Because Qiao Feng saved someone's life, he walked around the gate of hell, took a multiple-choice question and came back unscathed, and got a treasure. Why do you say this is a treasure? How can something that can predict the future not be a treasure?
But why is it not allowed? Could it be that it is all nonsense and cannot be believed?
Nanshan had always done things in an orderly manner, and his work, love, and marriage were probably all in order, but he never expected that such a disorganized and messy person would appear in his life.
It's not rebirth, it's not time travel, she just is herself.