diff --git a/services/sim.go b/services/sim.go
index be42ba7..b54ef90 100644
--- a/services/sim.go
+++ b/services/sim.go
@@ -18,7 +18,7 @@ func SimFlowDaySettle() (err error) {
 		db         = globals.GetDB()
 		now        = time.Now()
 		monthBegin = utils.Str2Time(utils.Int2Str(now.Year()) + "-" + utils.Int2Str(int(now.Month())) + "-01 00:00:00")
-		monthEnd   = monthBegin.AddDate(0, 0, -1).AddDate(0, 1, 0)
+		monthEnd   = monthBegin.AddDate(0, 1, 0).AddDate(0, 0, -1)
 	)
 	globals.SugarLogger.Debugf("SimFlowDaySettle Begin monthBegin %v, monthEnd %v", monthBegin, monthEnd)
 	//月末好像不用算超不超了
@@ -64,8 +64,8 @@ func SimFlowDaySettle() (err error) {
 			sumIncome, _ := dao.GetSimFlowIncomeSum(db, v.IccID, monthBegin, monthEnd)
 			sumExpend, _ := dao.GetSimFlowExpendSum(db, v.IccID, monthBegin, monthEnd)
 			if sumExpend.Flow-sumIncome.Flow <= 0 {
-				v.Status = model.PrinterStatusOverFlow
-				dao.Update(db, v, "Status")
+				v.FlowFlag = 1
+				dao.Update(db, v, "flow_flag")
 			}
 		}
 	}