The First Craftsman in Daxi

In the thirty-fifth year of Daxi Chengning, the river gate was about to collapse, ordnance disappeared, and organs were frequently damaged by "accidents"! Gu Chen, a modern mechanical repairman, once traveled through time and became a sinner's apprentice who was beaten and scolded by others and could die at any time! He possesses the "Extra Time Record": As long as he practices it himself, he can use up his spare time and accelerate the mastery of skills such as listening to wheels to identify injuries, precision copper work, and hydraulic survey! There was an unusual sound, and he locked the replaced copper tooth, only to find that the time had been deliberately set three times faster! The evidence was framed, the killer silenced him, and weapons left the city. All clues pointed to his father's unjust case of flood control! Others rely on confessions to investigate cases, but he only looks at the fractures and wear marks! From an apprentice of a sinner to a master craftsman in the world, Gu Chen wants to repair not only the mechanism, but also the crumbling Daxi! But those eyes hidden behind the court had already been fixed on him... ... When all the clues pointed to the depths of the court, Gu Chen picked up the hammer and stepped onto the examination platform! Use the body of a sinner to test the world's organs; use the hands of mortals to recast the mountains and rivers of Daxi!