public async Task UploadSuccess(string id, string returnData)
        {
            var file = FileList.FirstOrDefault(x => x.Id.Equals(id));

            if (file == null)
            {
                return;
            }

            file.State       = UploadState.Success;
            file.Progress    = 100;
            file.Response    = returnData;
            _uploadInfo.File = file;
            await UploadChanged(id, 100);
            await InvokeAsync(StateHasChanged);

            if (OnSingleCompleted.HasDelegate)
            {
                await OnSingleCompleted.InvokeAsync(_uploadInfo);
            }
            if (OnCompleted.HasDelegate && FileList.All(x => (x.State.Equals(UploadState.Success) || x.State.Equals(UploadState.Fail))))
            {
                await OnCompleted.InvokeAsync(_uploadInfo);
            }
        }