public function getFileInfo($filename)
{
//上传到云服务器
$config = $this->getConfig();
tsload(ADDON_PATH . '/library/upyun.class.php');
$cloud = new UpYun($config['cloud_image_bucket'], $config['cloud_image_admin'], $config['cloud_image_password']);
$cloud->setTimeout(60);
$res = $cloud->getFileInfo($filename);
return $res;
}