[特效代码] [已解决]不按键盘任意键，批处理代码执行完成之后怎样自动退出？

@echo off

set tt=5
if not "%1"=="" goto %1
del /f "%temp%\#" 2>nul
start /b "" "%~f0" :count
pause
>"%temp%\#" type nul
goto SetNum

:count
if %tt%==0 (goto default
title aaaaa
for /f "tokens=2" %%a in ('tasklist /fi "windowtitle eq aaaaa" /nh') do (taskkill /f /pid %%a>nul)
)
if exist "%temp%\#" (
del "%temp%\#"
exit
)

cls
set Num=3
echo 倒计时 %tt% 秒后将自动输出 %Num% ，请修改为其它数字:
ping -n 2 127.1>nul
set /a tt-=1
goto count

:SetNum
set Num=
set in=&set /p Num=
goto CCC

:default
set Num=3

:CCC
@echo ........................................................................
@echo .
@echo . 输出为 %Num%
@echo .
@echo ........................................................................

ping -n 2 127.1 >nul&exit
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