public static BiliInterfaceInfo GetMP4info(string AVnum, int page, bool isJJ = false)
{
BiliInterfaceInfo info = new BiliInterfaceInfo();
info = GetInfo(AVnum, false);
if (!string.IsNullOrEmpty(info.title))
{
info.mp4url = GetMP4UrlBackUp(uint.Parse(info.avnum));
}
return info;
}