date=db.QueryFirstOrDefault<DateTime?>("SELECT MAX(DATE_FORMAT(t1.operation_time,'%Y-%m-%d')) FROM dc_base_finance_amazon_ad_product t1")??DateTime.Today.AddDays(-1);
date=db.QueryFirstOrDefault<DateTime?>("SELECT MAX(t1.operation_time) FROM dc_base_finance_amazon_ad_product t1 where account_id = @account_id",new{account_id=accountId})??DateTime.Today.AddDays(-1);