private static void Init()
        {
            if (_yunClient == null || _appInfo == null)
            {
                lock (initLock)
                {
                    if (_yunClient != null && _appInfo != null) return;

                    if (_appInfo == null)
                    {
                        var init = new Yun.ClientCache.CacheFunc();
                        _appInfo = init.Fetch<AppModel>(_appTableName, "id = 0");
                        if (_appInfo == null)
                        {
                            throw new Exception("授权信息未设置,无法进行网站初始化");
                        }
                    }

                    if (_yunClient == null)
                    {
                        var apiUrl = WebConfigurationManager.AppSettings["ServerUrl"];
                        if (new[] { _appInfo.AppKey, _appInfo.AppSecret, apiUrl }.Any(string.IsNullOrWhiteSpace))
                        {
                            throw new Exception("服务端必要数据未初始化");
                        }

                        _yunClient = new DefaultYunClient(apiUrl, _appInfo.AppKey, _appInfo.AppSecret);
                    }
                }
            }
        }
        /// <summary>
        /// 保存城购云配置信息
        /// </summary>
        /// <param name="key">客户KEY</param>
        /// <param name="secret">客户密钥</param>
        /// <returns></returns>
        public static void SaveConfig(string key, string secret)
        {
            //先更新内存中数据
            _appInfo = new AppModel { AppKey = key, AppSecret = secret};
            _yunClient = null;

            //将数据写入缓存中
            var init = new Yun.ClientCache.CacheFunc();
            init.DropTable(_appTableName);
            init.Insert(_appTableName, "id", _appInfo, null);
        }
        public static APPSettModel ConvertGoodsInSql(AppModel model)
        {
            if (model != null)
            {
                var r = new APPSettModel();

                //映射处理
                var map = new TypeMapping<AppModel, APPSettModel>();
                map.AutoMap();
                map.CopyLeftToRight(model, r);
                //r.TaxonomyId = r.Categorys.Union(r.Tags).Distinct().Select(e => e.Key).ToList();

                return r;
            }

            return null;
        }