Sublime Text 3 plugin SFTP using error recording

The alarm prompts are as follows:

1 connecting to SFTP server "112.74. *. *" as "root"...................... failure (host key verification failed)
2 the SSH host key has changed. This could indicate a potential security breach, or that the domain you are connecting to recently moved servers
3 if you are confident this is not a security breach you can delete the old host key and try again
4  1. Win XP: Start > Run > regedit.exe
5     Win Vista/7: Start > regedit
6 2. Expand to HKEY \ current \ user \ software \ simontatham \ putty \ sshhostkeys and delete the entry including @ 22:112.74.126.234 

By reading the error prompt, error: Delete the old key, you can.

Sublime Text 3 plugin SFTP using error recording