Merge branch 'tzy2'

wxr

2021-07-01 471c4f70d808b6993cab066dfbe807954418ea92

 HDL_ON/DAL/Mqtt/MqttInfoConfig.cs

@@ -67,7 +67,8 @@
        public void Refresh()
        {
            m_Current = null;
            Save();
            Common.FileUtlis.Files.DeleteFile(ConfigFile);
            //Save();
        }

        public void Save()