The contract is signed in 211, but there is a player option in the last year of the contract, so James can refuse the contract in the last year, which means jumping out of the contract one year in advance and becoming a free agent in 21.

The emperor actually wants to help the Cavaliers win the championship, and money is not a problem. He is not short of money. If he goes to new york, a famous team with high salary and low energy, it will be an insult to the emperor, unless new york changes his blood from the management to the player coach.