I Don't Want to Be Emperor Yang of Sui Dynasty, I Want to Be Emperor Taizong of Sui Dynasty

Li Yue, a modern man, traveled through time and became Yang Guang, the second son of Yang Jian (the historical Emperor Yang of Sui). In order to change the direction of history, avoid the death of the second generation of the Sui Dynasty, and win for yourself a temple title that is not inferior to "Taizong"