UUID is a unique hardware identifier assigned by the motherboard manufacturer.
wmic csproduct get uuid
wmic csproduct get uuid
UUID
03560274-043C-056F-0D06-CB0700080009

In ThinkPaHP5, call the wmic csproduct get uuid command of Windows to obtain the UUID of the motherboard,
public function getMotherboardUUID()
{
// call WMIC command
exec('wmic csproduct get uuid', $output, $return_var);
// result
if ($return_var === 0 && isset($output[1])) {
$uuid = trim($output[1]);
return $uuid;
}
return false;
}