According to the official announcement, OKEX will carry out system upgrade at 12:00 (HKT) today. The upgrade time is expected to be about 60 minutes. During this period, the TRX delivery contract will be suspended. Users cannot place orders, add margin, transfer and transfer, etc. Related features can still be used. Other currency contracts other than TRX can still be traded normally and are not affected. In order to avoid the risk of market fluctuations during the upgrade period, it is recommended that users do risk control by reducing the position in advance and adding margin.