I open a tavern in Tang Dynasty

Traveling through the Tang Dynasty, Zhang Nuo only wanted to run his tavern peacefully, and when the economy improved, buy a slave and marry a beautiful wife to live a good life. However, on the first day of business, a special guest arrived: Li Shimin. As a time traveler, he possessed a vision and knowledge far beyond this era, and his casual remarks shocked Li Shimin. Soon after, Zhang Nuo discovered that his casual words had become the governing policy of the Tang Dynasty...