Resolve swap file SWP already exists problem

Use vim Editing a file actually starts with copy A temporary file and mapped to memory for you to edit , Editing is a temporary file , When executed ：w Only after saving the temporary file to the original file , perform ：q Before deleting the temporary file .
Every time you start retrieving whether there are temporary files , Others asked how to deal with , This will happen .
Will hide *.swp Just delete the file , The original file can be edited again .