diff --git a/business/jxstore/act/act.go b/business/jxstore/act/act.go
index a383e13ba..2f12b8483 100644
--- a/business/jxstore/act/act.go
+++ b/business/jxstore/act/act.go
@@ -20,7 +20,7 @@ import (
 const (
 	DefActSkuStock = 200 // 缺省活动库存
 
-	maxDiscount4SkuSecKill    = 100
+	maxDiscount4SkuSecKill    = 99
 	minDiscount4SkuDirectDown = 0
 )
 
@@ -270,7 +270,7 @@ func AddActStoreSkuBind(ctx *jxcontext.Context, db *dao.DaoDB, actID int, actSto
 }
 
 func checkDiscountValidation(actType int, pricePercentage int) (err error) {
-	if actType == model.ActSkuDirectDown && (pricePercentage < minDiscount4SkuDirectDown || pricePercentage > 100) {
+	if actType == model.ActSkuDirectDown && (pricePercentage < minDiscount4SkuDirectDown || pricePercentage > 99) {
 		err = fmt.Errorf("%s活动折扣必须大于:%d, 且必须有折扣", model.ActTypeName[actType], minDiscount4SkuDirectDown)
 	} else if actType == model.ActSkuSecKill && pricePercentage > maxDiscount4SkuSecKill {
 		err = fmt.Errorf("%s活动折扣必须小于:%d", model.ActTypeName[actType], maxDiscount4SkuSecKill)