Playing Martial Arts Games in Urban Drama

Li Yan never thought that one day he would be able to travel through time. Of course this is a good thing, he even brought a golden finger. It's just that this golden finger seems to be spelled out wrong. This is obviously a modern city, but why is Mao's golden finger from martial arts? And it's the martial arts game I played before. What's the use of this? And I still don't know if I can block bullets after practicing martial arts. If I can, it can still be considered. Known World, Ode to Joy, Male Nanny, If You Can Love Like This, Mr. Good, Love Apartment, Bright Star, Physical Education Teacher, Little Times, etc. The introduction is weak, please read the text. This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.