public AreaService(IClientProvider iClientProvider)
        {
            var json       = JsonFile();
            var regionData = JsonConvert.DeserializeObject <GetRegionDataResponse>(json);
            var areas      = regionData?.Areas ?? new List <RegionList>();

            areas = areas.OrderBy(x => x.Version).ToList();
            var currentVersion = areas.LastOrDefault()?.Version ?? "V0_SN";

            if (iClientProvider != null)
            {
                //读取公共服务最新地址库
                var result = iClientProvider.GetRegionData(new GetRegionDataRequest
                {
                    Version = currentVersion
                }).Result;
                if (result.success && result.data != null)
                {
                    regionData = JsonConvert.DeserializeObject <GetRegionDataResponse>(result.data.ToString());
                    if (regionData?.Areas?.Count > 0)
                    {
                        var areasList = regionData.Areas.OrderBy(x => x.Version).ToList();
                        if (currentVersion != areasList.LastOrDefault()?.Version)
                        {
                            areas.AddRange(regionData.Areas);
                            var data = new GetRegionDataResponse
                            {
                                Areas = areas
                            };
                            JsonFile(false, data.ToJsonString());
                        }
                    }
                }
            }

            _areas   = areas.OrderBy(x => x.Version).LastOrDefault();
            _regions = areas.SelectMany(x => x.Regions).Distinct().ToList();
            var provinces = _areas.Regions.Where(x => x.Level == Level.Province).Distinct().ToList();

            ProvinceCodes = provinces.Select(x => x.Version + x.Code).Distinct().ToList();
            ProvinceNames = provinces.Select(x => x.Name).Distinct().ToList();
        }