Will insufficient margin for margin financing and securities lending be forced to close the position?

Hello, now the credit account, the guarantee ratio 1.6 is the warning line, 1.3 is the liquidation line, and some brokers close their positions according to 1.4. If the guarantee ratio is lower than 1.6, the broker will send a short message warning to the customer; If it is lower than 1.3, the customer is required to add collateral; If the collateral is increased in the first round, the brokerage company can force the client to close the position.