I Am an Ordinary Person from Two Thousand Years Ago

These other men traveled through time and space using their knowledge of the modern world to make a lot of money in ancient times or to become princes and ministers. However, Di Zhiping, who was in a certain ultra-high-tech time and space, traveled through time and space to plug holes in the space-time gate, and it was not a hole in the space-time gate. Who allowed the designers and builders of this space-time gate to create so many time-space gates...