diff --git a/rule/self_buy_global.go b/rule/self_buy_global.go
index c36741d..17be563 100644
--- a/rule/self_buy_global.go
+++ b/rule/self_buy_global.go
@@ -236,6 +236,10 @@ func OneDoing(sess *xorm.Session, data model.MallOrdCapitalPoolTotal, oneMoney,
 		Num := zhios_order_relate_utils.StrToFloat64(data.LeavePrice) / minMoney
 		if strings.Contains(zhios_order_relate_utils.Float64ToStr(Num), ".") {
 			data.Num = int(Num) + 1
+			firstNum := int(zhios_order_relate_utils.StrToFloat64(data.OtherPrice) / minMoney)
+			if data.Num > firstNum {
+				data.Num = firstNum
+			}
 		} else {
 			data.Num = int(Num)
 		}