public void Train(ReqTrain req)
{
_preprocessor.Clear();
_preprocessor.ProcessFolders(new string[] { Path.Combine("assets", req.File) });
_preprocessor.AfterAdd();
// await _operator.InsertVectors(_preprocessor.TotalList);
currentTask = Task.Run(async() => await _operator.InsertVectors(_preprocessor.TotalList));
}