The response time for opening and closing positions can be as long as half a minute. After the position account is profitable, the trading function is cancelled, and it is unable to open or close positions, set stop loss or take profit. After the profit reaches a certain amount, the account will be closed directly. After setting the account balance for withdrawal, all customer accounts will be closed. The general explanation given is that if there is a bonus in the account, it is considered as improper trading, and if there is no bonus, it is considered as a system exception. The account will be forcibly closed after the positions are liquidated.