//修改关注基金
        private void UpdateFollowFunds(IEnumerable <FollowFundModel> followFundModels, SqlTransaction transaction)
        {
            var followFundEntities = _con.GetEntities <FollowFundEntity>().Where(p => p.Valid == 1 && p.UserId == _currentUser.Id).ToQuery <FollowFundEntity>();

            _con.DeleteRecords(followFundEntities, transaction);
            if (followFundModels.Any())
            {
                var followFunds = followFundModels.Select(p => new FollowFundEntity
                {
                    UserId   = _currentUser.Id,
                    FundCode = p.FundCode
                });
                ///添加关注基金
                _con.AddRecords(followFunds, transaction);
            }
        }