获得同一天记录，mysql有问题 返回

var orderMoney = Db.Queryable<ErpSaleOrder>()
                    .WhereIF(!string.IsNullOrEmpty(parm.guid), m => m.ShopGuid == parm.guid)
                    .WhereIF(!string.IsNullOrEmpty(searchParm.btime) && !string.IsNullOrEmpty(searchParm.btime),
                    m => SqlFunc.Between(m.AddDate, Convert.ToDateTime(searchParm.btime), Convert.ToDateTime(searchParm.etime)))
                    .WhereIF(parm.types == 1, m => SqlFunc.DateIsSame(m.AddDate, DateTime.Now))
                    .WhereIF(parm.types == 2, m => SqlFunc.Between(m.AddDate, d1, d2))
                    //.Sum(m=>m.RealMoney);
                    .ToSql();