diff --git a/business/model/dao/dao_utils.go b/business/model/dao/dao_utils.go
index c09777970..8b3c70c7f 100644
--- a/business/model/dao/dao_utils.go
+++ b/business/model/dao/dao_utils.go
@@ -168,3 +168,7 @@ func value2Value(srcValue, dstValue reflect.Value, copyType int) {
 // func ObjNull2Normal(src, dst interface{}) {
 // 	copyBetweenNoramAndNullObj(src, dst, 2)
 // }
+
+func IsVendorThingIDEmpty(vendorThingID string) bool {
+	return vendorThingID == "" || vendorThingID == "0"
+}
diff --git a/business/partner/purchase/mtwm/store_sku.go b/business/partner/purchase/mtwm/store_sku.go
index f42eeff25..e86cb9ff9 100644
--- a/business/partner/purchase/mtwm/store_sku.go
+++ b/business/partner/purchase/mtwm/store_sku.go
@@ -257,13 +257,13 @@ func (p *PurchaseHandler) SyncStoreSkus(ctx *jxcontext.Context, parentTask tasks
 			storeSkuBind := &model.StoreSkuBind{}
 			storeSkuBind.ID = skuItem.BindID
 			if skuItem.NameID == 0 || skuItem.StoreSkuSyncStatus&model.SyncFlagDeletedMask != 0 {
-				if skuItem.StoreSkuSyncStatus&model.SyncFlagNewMask == 0 && !isVendorSkuIDEmpty(skuItem.VendorSkuID) {
+				if skuItem.StoreSkuSyncStatus&model.SyncFlagNewMask == 0 && !dao.IsVendorThingIDEmpty(skuItem.VendorSkuID) {
 					err = ignoreNoAppFoodErr(api.MtwmAPI.RetailDelete(vendorStoreID, skuItem.VendorSkuID))
 				}
 				if err == nil {
 					storeSkuBind.DeletedAt = time.Now()
 					updateFields = append(updateFields, model.FieldDeletedAt)
-					if !isVendorSkuIDEmpty(skuItem.VendorSkuID) {
+					if !dao.IsVendorThingIDEmpty(skuItem.VendorSkuID) {
 						storeSkuBind.MtwmID = 0
 						updateFields = append(updateFields, model.FieldMtwmID)
 					}
@@ -523,10 +523,6 @@ func (p *PurchaseHandler) GetStoresSku(ctx *jxcontext.Context, parentTask tasksc
 	return storeSkuList, err
 }
 
-func isVendorSkuIDEmpty(vendorSkuID string) bool {
-	return vendorSkuID == "" || vendorSkuID == "0"
-}
-
 func ignoreNoAppFoodErr(err error) error {
 	if err != nil {
 		if codeErr, ok := err.(*utils.ErrorWithCode); ok {