How to close all positions with one click?

WEB

1 Log in and click ''Start Trading'' and then click ''Close All'' at the bottom on the trading page.

2 Read the notifications and tick the box of ''I know the above risk'' , then click ''OK''.

APP:

1 Open MoonXBT App, enter ''Order'' page, and click ''Close All''.

2 Read the notificaitons and tick of box of ''I am aware of the risks'' and click ''OK'.