第一步:
Disable Auto Save
File>Settings>Appearance & Behavior>System Settings>Synchronization> then uncheck bothSave files on frame deactivationandSave files automatically if application is idle>OK
Now, you may want to do this too.
第二步:
Mark Changed But Unsaved File(这一步一定要钩
File>Settings>Editor>General>Editor Tabs> then checkMark modified tabs with asterisk>OK
第三步:
Save One File with Ctrl+S(这个不一定要)
File>Settings>Keymap> search with save document > right clickSave Document>Add Keyboard Shortcut> press Ctrl+S>OK>Remove>OK