增加3秒云服务器连接检测，连不上服务器的时候不刷新数据

wxr

2024-04-12 a155c6ce1911e995d136f08b409dd0861706a3f8

 HDL-ON_iOS/Main.cs

@@ -16,7 +16,7 @@
                try
                {
                    Shared.Application.LocationAction = null;
                    new HttpServerRequest().GetCityWeatherInfo(lon.ToString(), lat.ToString());
                    new HttpServerRequest().GetCityWeatherInfo(lon.ToString().Replace(",", "."), lat.ToString().Replace(",", "."));
                }
                catch(Exception ex)
                {