A modern history enthusiast accidentally traveled through time and became Emperor Yang Guang of the Sui Dynasty. The time when he possessed him was when Yang Guang was about to be forced into the palace. Facing the Sui Dynasty that was about to be destroyed, he was determined to use modern knowledge to change the direction of history and turn the tide. Cleanse the corrupt forces in the court, promote loyal and talented officials, establish an efficient government team, reform the official system, strengthen centralization, improve administrative efficiency, strengthen local control, and curb the excessive expansion of clan power. Vigorously develop agriculture, promote advanced farming technology, build water conservancy and irrigation projects, and increase grain production; reduce farmers' tax and corvee burdens, encourage business development, build commercial markets and transportation thoroughfares, promote economic prosperity, improve people's livelihood, stabilize social order, and accumulate wealth for subsequent development. . . . . .