What Does It Mean That Master Became Famous All over the World by Solving Crimes?

Shen Mo did not travel through time and became an emperor, but instead traveled through time and became a little Xingming Master in a county town. While everyone was still relying on "theory of ghosts and gods" and "beating into tricks" to solve cases, the protagonist used modern criminal investigation techniques to crack "unsolved cases" that shocked the government and the public, attracted the attention of the emperor, and was involved in the whirlpool of the court.