Improved Nav Menu allows user to switch the link of a menu item.
For example, if you want to redirect a page to her child, you don’t need to create a redirect page template and use an additional loading for the the first page.
How use it?
Go to the menu editor in WordPress panel.
Now look at an element detail:
Like you can see, just write the term that you want to redirect with this format:
PostType:Name/ID
PostType : page, category or a custom taxonomy.
One other example:
If you write a wrong name or ID, original link will be keep.