看着象是DNS的锅：
[ERR] [15] Emby.Dlna.Main.DlnaEntryPoint: Error updating device info for 客厅的小米电视
System.Net.Http.HttpRequestException: Response status code does not indicate success: 403 (Forbidden).
at System.Net.Http.HttpResponseMessage.EnsureSuccessStatusCode()
at Emby.Dlna.PlayTo.SsdpHttpClient.GetDataAsync(String url, CancellationToken cancellationToken)
at Emby.Dlna.PlayTo.Device.GetAVProtocolAsync(CancellationToken cancellationToken)
at Emby.Dlna.PlayTo.Device.TimerCallback(Object sender)