public function tar($product, $name, $version)
{
$pkg = new Pkg();
$info = $pkg->getPackageInfo($product, $name);
if (!$info) {
Flight::notFound();
}
$path = $info['path'];
$ret = $pkg->exportPackage($product, $name, $version);
// 控制 Curl 请求错误
$this->handleCurlError($pkg);
Flight::redirect("/download{$path}/{$name}-{$version}-install.tar.gz");
}