diff --git a/business/jxstore/cms/sync_store_sku.go b/business/jxstore/cms/sync_store_sku.go
index 8d18508e9..a0619c139 100644
--- a/business/jxstore/cms/sync_store_sku.go
+++ b/business/jxstore/cms/sync_store_sku.go
@@ -235,6 +235,9 @@ func formalizeStoreSkuList(inSkuList []*dao.StoreSkuSyncInfo) []*dao.StoreSkuSyn
 
 func sku2Update(vendorID int, sku *dao.StoreSkuSyncInfo, syncStatus int8) (item *dao.KVUpdateItem) {
 	kvs := map[string]interface{}{}
+	if !isSkuLockTimeValid(sku) {
+		kvs[dao.GetVendorLockTimeStructField(model.VendorNames[vendorID])] = nil
+	}
 	if syncStatus&(model.SyncFlagDeletedMask|model.SyncFlagNewMask|model.SyncFlagModifiedMask) != 0 {
 		if model.IsSyncStatusNew(syncStatus) {
 			sku.SkuSyncStatus = 0
@@ -289,6 +292,10 @@ func updateStoreSku(db *dao.DaoDB, vendorID int, storeSkuList []*dao.StoreSkuSyn
 	return num, err
 }
 
+func isSkuLockTimeValid(sku *dao.StoreSkuSyncInfo) bool {
+	return sku.LockTime != nil && time.Now().Sub(*sku.LockTime) < 0
+}
+
 func syncStoreSkuNew(ctx *jxcontext.Context, parentTask tasksch.ITask, isFull bool, vendorID, storeID int, nameIDs, skuIDs, excludeSkuIDs []int, useVendorPriceDirectly, isContinueWhenError bool) (err error) {
 	db := dao.GetDB()
 	storeDetail, err := dao.GetStoreDetail(db, storeID, vendorID)
@@ -336,7 +343,7 @@ func syncStoreSkuNew(ctx *jxcontext.Context, parentTask tasksch.ITask, isFull bo
 	now := jxutils.OperationTime2HourMinuteFormat(time.Now())
 	for _, sku := range skus {
 		if !useVendorPriceDirectly &&
-			(sku.LockTime == nil || time.Now().Sub(*sku.LockTime) > 0) {
+			!isSkuLockTimeValid(sku) {
 			sku.VendorPrice = 0
 		}
 		sku.MergedStatus = MergeSkuSaleStatusWithStoreOpTime(sku, storeDetail, now)
diff --git a/business/model/dao/dao_utils.go b/business/model/dao/dao_utils.go
index 8a36c2adc..eaca61326 100644
--- a/business/model/dao/dao_utils.go
+++ b/business/model/dao/dao_utils.go
@@ -160,6 +160,10 @@ func GetCategoryIDDBField(prefix string) string {
 	return ConvertDBFieldPrefix(prefix) + "_category_id"
 }
 
+func GetVendorLockTimeStructField(prefix string) string {
+	return ConvertStructFieldPrefix(prefix) + "LockTime"
+}
+
 func value2Value(srcValue, dstValue reflect.Value, copyType int) {
 	srcType := srcValue.Type()
 	for i := 0; i < srcType.NumField(); i++ {