public void ChechABNewVersion()
{
bool hasNewVersion = loader.IsBundleHaveNewVeresion(AssetBundleName);
Debug.Log("新版本 : " + hasNewVersion);
if (hasNewVersion)
{
loader.GetFileDownloadSize(AssetBundleName,
Debug.LogError,
response => Debug.Log("文件大小：" + response));
}
}