I Am in the Douluo Training System

My name is Tang Aotian, and I traveled to Douluo Continent. As a member of the millions of time-travelers, I have all the factors that a time-traveler should have: Has the name the protagonist should have, A very strong background, The most powerful golden finger (system) for time travellers, But... This system seems unreliable. I had no choice but to take matters into my own hands to help the system become a mature system. (The author is new, so don't comment if you don't like it.)