Batch processing to turn folders into disks

@echo off
title original Change folder to disk by secretkeyboard QQ:654525258
set /p D=Please enter the folder path you want to change to disk:
set /p Disk=Please enter the disk letter you want to convert to disk:
subst %Disk%: %D%
if exist %D% goto ok
goto err
exit
:ok
@echo command complete
start %Disk%:\
exit
:err
@echo The conversion failed, please check the path
pasue>nul