private async Task Init(IRabbitMQClient client)
        {
            var isOnce = QueueCount == 1;

            if (isOnce)
            {
                var pullTask = client.PullModel();
                if (!pullTask.IsCompleted)
                {
                    await pullTask;
                }
                models.Add(Queue, pullTask.Result);
            }
            else
            {
                var nodeList = new List <string>();
                for (int i = 0; i < QueueCount; i++)
                {
                    var queue = $"{ Queue}_{i}";
                    nodeList.Add(queue);
                    if (!models.ContainsKey(queue))
                    {
                        var pullTask = client.PullModel();
                        if (!pullTask.IsCompleted)
                        {
                            await pullTask;
                        }
                        models.Add(queue, pullTask.Result);
                    }
                }
                _CHash = new ConsistentHash(nodeList, QueueCount * 10);
            }
            //申明exchange
            await client.ExchangeDeclare(Exchange);

            Client = client;
        }