The mobile shopping cart version ran away? How to solve it?

Question:
My mobile version of the shopping cart has disappeared? How to solve it?

Product:
Wix Studio Edito

What are you trying to achieve:
There is a checkout button on the top and bottom, and the size cannot fit the layout, and it is impossible to return to the full product screen.

Could you take a screenshot?

This problem has been solved naturally. Now it is another problem. The pattern always runs away.