2.增加住宅绑定网关判断，没有绑定网关的住宅，ON+不再显示

wei

2021-03-23 fe2b566c8d9c097d2568ad211088fa5bc6f8c229

 HDL_ON/Entity/ResponseEntity/CityInfo.cs

@@ -57,7 +57,7 @@
        public string windDir;
        //"UpdateTime": "0001-01-01T00:00:00",
        public string aqi;
        public string air_Quality;
        public string air_Quality = "--";
        public string pm10;
        public string pm25 = "--";
        public string no2;