How to recover the module removed by Android Studio

If you perform an operation that removes the module from the module list, but does not perform the Delete module folder, how do you recover the removed module?

For more information on how to remove this stamp: how Android studio removes module

This scene is still a lot of see, such as I removed the module app, but I want to use this module again, to restore the words, very simple, see, Edit Settings.gradle, of course, the module name must be the same as you remove the module name to be consistent, edited out remember point sycn gradle button.