20201124，整理mqtt订阅

wxr

2020-11-24 33470790ac0069c7734fb1a5b8b07350950c6dfe

 HDL_ON/UI/UI2/FuntionControlView/EnvironmentalScience/EnvironmentalSciencePage.cs

@@ -470,7 +470,7 @@
                };
                sensorView.AddChidren(btnLevel);

                Control.ins.SendReadCommand(sensor);
                Control.Ins.SendReadCommand(sensor);
            }
        }