if "%choice%"=="1" (
set "url=http://dldir1.qq.com/qqfile/qq/QQ9.2.1/25329/QQ9.2.1.25329.exe"
set "installPath=QQ"
goto download
) else if "%choice%"=="2" (
set "url=https://dldir1.qq.com/weixin/Windows/WeChatSetup.exe"
set "installPath=WeChat"
goto download
) else if "%choice%"=="3" (
set "url=https://dl.google.com/chrome/install/standalone/ChromeStandaloneSetup.exe"
set "installPath=Chrome"
goto download
) else if "%choice%"=="4" (
goto end
) else (
echo 请选择正确的选项!
pause
goto menu
)