private IEnumerator Copy(IAccessLocation source, IAccessLocation dest)
{
ChipstarLog.Log_WriteLocalBundle(source, dest);
if (File.Exists(dest.FullPath))
{
ChipstarLog.Log($"Exsists File::{dest}");
yield break;
}
var www = UnityWebRequest.Get(source.FullPath);
var handler = new DownloadHandlerFile(dest.FullPath);
www.downloadHandler = handler;
yield return(www.SendWebRequest());
}