C#連接RocketMQ發送消息

public static void CreateMessage(string content, string serverHost, string strTopic, string strkey, string strTag)
        {
            try
            {
                //mq對象
                using (var mq = new Producer()
                {
                    Topic = strTopic,
                    NameServerAddress = serverHost,

                })
                {
                    mq.Start();
                    CommonTools.Logs.LogInfo("連接服務器成功，準備發送消息！");
                    for (int i = 0; i < 3; i++)
                    {
                        try
                        {
                            CommonTools.Logs.LogInfo($"第{(i + 1).ToString()}次嘗試發送消息！");
                            var sr = mq.Publish(content, strTag, strkey);
                            string log = $"發送成功的消息:>{strTopic}-{serverHost}-{content}";
                            CommonTools.Logs.LogInfo(log);
                            break;
                        }
                        catch (Exception ex)
                        {
                            CommonTools.Logs.LogError(ex);
                        }
                        Thread.Sleep(3000);

                    }
                    mq.Stop();
                }
            }
            catch (Exception ex)
            {
                CommonTools.Logs.LogError(ex);
            }
        }
    }