How to switch between position mode and one-way mode on the App:
You can switch between position mode and one-way mode in the top left corner of the 【Trade】-【Contract】 interface.
<img src="https://public.hxdsmy.com/static/MTc3MjAxNjEzNzMzMDI1OTgxNQ==.png" alt="image_1053.png">
How to switch between position mode and one-way mode on the Web:
You can switch between position mode and one-way mode above the order price bar in the 【Trade】-【Contract】 interface
<img src="https://public.hxdsmy.com/static/MTc3MjAxNjE0MzkwMDA2MjIwMA==.png" alt="image_1055.png">