diff --git a/business/jxstore/act/act.go b/business/jxstore/act/act.go
index 48344d6a4..c07d693e8 100644
--- a/business/jxstore/act/act.go
+++ b/business/jxstore/act/act.go
@@ -1642,6 +1642,8 @@ func ChangeJxPriceByDiscountAct(ctx *jxcontext.Context) {
 						dao.Rollback(db)
 					}
 					actStoreSkuMap.ActualActPrice = actStoreSkuMap.VendorPrice
+					actStoreSkuMap.TrendType = model.TrendTypeNothing
+					actStoreSkuMap.TrendPrice = 0
 				}
 				if _, err = dao.UpdateEntity(db, actStoreSkuMap, "ActualActPrice", "TrendType", "TrendPrice"); err != nil {
 					dao.Rollback(db)