windows批处理同步系统时间

@echo off
>NUL 2>&1 REG.exe query "HKU\S-1-5-19" || (
    ECHO SET UAC = CreateObject^("Shell.Application"^) > "%TEMP%\Getadmin.vbs"
    ECHO UAC.ShellExecute "%~f0", "%1", "", "runas", 1 >> "%TEMP%\Getadmin.vbs"
    "%TEMP%\Getadmin.vbs"
    DEL /f /q "%TEMP%\Getadmin.vbs" 2>NUL
    Exit /b
)
cd /d %~dp0
net stop w32time
w32tm /unregister
w32tm /register
net start w32time
w32tm /config /manualpeerlist:"ntp1.aliyun.com" /syncfromflags:manual /reliable:yes /update
w32tm /resync
``