The navigation menu in iview is generated according to the route file, so you can't expand the menu when you click on the browser to roll back. The menu is still folded, how to expand it automatically?

The navigation menu in

iview is generated according to the route file. When you click on the browser to roll back, the menu cannot be expanded, and the menu is still folded. How to expand
automatically?

Mar.15,2021

needs to write code to handle

according to the expanded state of the route mapped to the menu.
Menu