Why does Huawei fit2 watch have bank card information on the negative screen?

The reason why the bank card information appears on the negative screen of Huawei Fit2 watch is that the user added the information to the negative screen of the watch. Specifically, users can synchronize bank card information to their watches through Huawei wearable App of mobile phones. To solve this problem, you can delete the bank card information synchronized with the watch, or turn off the option of synchronizing to the negative screen when adding bank card information to the watch.