'PLEASE HELP, THIS CODE IS NOT WORKING!

@echo off
title LAN Chat
color B

:Home
set home=returncode
cls
echo Welcome to the chat program by Callum. Enjoy!
echo.
echo 1. Login
echo 2. Create Account
echo 3. Exit
echo.
set /p home=Number

if %home%==1 goto login
if %home%==2 goto Create Account
if %home%==3 exit


goto home

:create
cls
echo Create An Account
set /p nun=New Username:
set /p npw=New Password:
if Exist "\\LENOVO-PC\Chat\Users\%un%.chatuser" goto create_error
echo user >"\\LENOVO-PC\Chat\Users\%nun%.chatuser"
echo locallocallocal >"\\LENOVO-PC\Chat\Users\locallocallocallocallocallocallocallocallocallocallocallocallocallocallocallocallocallocallocallocallocal%npw%local%nun%locallocallocallocallocallocallocallocallocallocallocallocallocallocallocallocallocallocallocallocal.local"



cls
echo Account Successfully Created
ping localhost -n 3 >nul
goto home


:Login
cls
echo Login to your account..
echo.
set /p un=Username
set /p pw=Password



if NOT Exist "\\LENOVO-PC\Chat\Users\%un%.chatuser" goto login_error
if NOT Exist "\\LENOVO-PC\Chat\Users\locallocallocallocallocallocallocallocallocallocallocallocallocallocallocallocallocallocallocallocallocal%npw%local%nun%locallocallocallocallocallocallocallocallocallocallocallocallocallocallocallocallocallocallocallocal" goto login_error

goto chat

:login_error
echo.
echo The username and/or password is not correct.
ping localhost -n 3>nul
goto login



:create_error
echo.
echo Username Error...
echo This username already exists. Please use another one.
ping localhost -n 3 >nul
goto create