Huobi contract will start system upgrade at 1:30 on March 5

The Huobi contract platform is planned to start the system upgrade at 1:30 on March 5, 2020. The upgrade duration is estimated to be 2 hours. During the upgrade, the original pending orders will continue to be retained, and the API, Web and APP will not be able to transfer margins and open positions , Closing positions, cancelling orders, etc.