Prime Minister of the Tang Dynasty: Starting from the Separation of Families

Ren Shifei traveled to the Tang Dynasty. There was no golden finger and no space. Fortunately, he was a time traveler. In his previous life, he was a knowledgeable guy. What should I do if there is no golden finger or space? Just use your knowledge to make up for everything you started with. You can look down on me. One day. You will know. Sooner or later I will return home in fine clothes. Just wait for me. This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.