diff --git a/business/jxstore/act/act.go b/business/jxstore/act/act.go
index ce4d17cd6..2e20c8c4a 100644
--- a/business/jxstore/act/act.go
+++ b/business/jxstore/act/act.go
@@ -31,6 +31,7 @@ type ActOrderRuleParam struct {
 
 type ActStoreSkuParam struct {
 	model.ActStoreSku
+	ErrMsg string `json:"errMsg"`
 }
 
 type ActDetail struct {
@@ -147,6 +148,7 @@ func ActStoreSkuParam2Model(ctx *jxcontext.Context, db *dao.DaoDB, act *model.Ac
 								}
 							}
 							if err2 := checkDiscountValidation(act.Type, int(actSkuMap.ActualActPrice*100/actSkuMap.VendorPrice)); err2 != nil {
+								v.ErrMsg = fmt.Sprintf("err:%s, actPrice:%d, vendorPrice:%d, discount:%d", err2.Error(), actSkuMap.ActualActPrice, actSkuMap.VendorPrice, int(actSkuMap.ActualActPrice*100/actSkuMap.VendorPrice))
 								wrongSkuList = append(wrongSkuList, v)
 							} else {
 								dao.WrapAddIDCULDEntity(actSkuMap, ctx.GetUserName())