Otherwise, it will cost you at least 3000 yuan, because you have done the work of the original two people alone, and you still work overtime.
In fact, there are now more than 1000 jobs in the world. You needn't make yourself so tired. If this job is so good, can't your boss find someone to work overtime?
Think it over and make it clear to your boss, otherwise he will say that a lot of things will be forgotten by then.