It is recommended to read "Spring Comes to Jiangnan Flowers Bloom". The protagonist traveled to the late Southern Song Dynasty and was regarded as a brainless person by Wen Tianxiang because of his maverick behavior. He assisted Jia Sidao in defending the city, fought fiercely with Kublai Khan, and created a new school. Later, the protagonist was demoted from Lin'an. After the demise of the Southern Song Dynasty, he rescued Wen Tianxiang and started his own business. The first half of the article does not jump out of history and is more culturally interesting. As for the part about fighting for world hegemony, it is written with excitement and is worth reading.