Xiaoyao County Magistrate

The mechanical engineer who had worked hard all day woke up and returned to the beginning of the second year of Longxing in the Southern Song Dynasty. It was a troubled era, the people were in dire straits, treacherous ministers were in power in the capital, and the Supreme Emperor controlled all power. The famous general Yue Fei has died, and the Jin Kingdom marches directly to the south of the Yangtze River. The protagonist who woke up turned out to be a confused county magistrate. For his current destiny and the rise and fall of the Southern Song Dynasty, he formed an army, built military camps, built cannons, guns, and arsenals... Will the long course of history change because of his arrival, but will it still make the same mistakes again?