private void Run()
        {
            if (PendingTaskCount < MaxTaskCount && QueueMessager.HasValue())
            {
                var message = (dynamic)QueueMessager.Dequeue();
                IncreasePendingTaskCount();

                Task.Run(() =>
                {
                    if (message.Status != MessgaeStatus.Pending)
                    {
                        MessageManager.AddPendingMessgae(message.Pending());
                    }
                    HandlerManager.Handle(message, CancellationToken.None);
                    MessageManager.AddHistoryMessgae(message.Completed());
                    DecreasePendingTaskCount();
                })
                .ContinueWith((t) =>
                {
                    _logger.Write(t?.Exception?.ToTetailMessage());
                    MessageManager.AddErrorMessgae(message.Error());
                    DecreasePendingTaskCount();
                }, TaskContinuationOptions.OnlyOnFaulted);
            }
            else if (PendingTaskCount == 0 && !QueueMessager.HasValue())
            {
                Task.Delay(DelayTimeWhenNoMessageCome).GetAwaiter().GetResult();
            }
            else
            {
                Task.Delay(TimeSpan.FromMilliseconds(1)).GetAwaiter().GetResult();
            }
        }