If the available funds are negative after the settlement on that day, please indicate at the bottom of the statement, "Please add a margin of xxx yuan within xx minutes after the opening of the next trading day, or close some positions yourself. Otherwise, our company will close some of your positions without informing me until the available funds are greater than 0 ... ",if you don't add enough funds according to the regulations or close some positions yourself, the futures company will give you a strong level.