The Nameless of the Common Clans

In every era, there are always a few geniuses who shine like comets. Those who are famous for thousands of years are certainly talented, but how many talents are submerged in the long river of history?
Chen Mo's original dream was just to glorify his family, to make his commoner family a real noble family, to suppress the main family and make them commoners, but he never thought that he could go so far. Sometimes he would think, if the "god" in the dark did not choose him, would he still have today's achievements?
This is a story about an ignorant boy who obtained a system and gradually grew up from a declining commoner in troubled times.