diff --git a/business/partner/purchase/tiktok_store/store_sku2_utils.go b/business/partner/purchase/tiktok_store/store_sku2_utils.go
index 22f30578f..4e164b891 100644
--- a/business/partner/purchase/tiktok_store/store_sku2_utils.go
+++ b/business/partner/purchase/tiktok_store/store_sku2_utils.go
@@ -245,7 +245,7 @@ func (p *PurchaseHandler) createOrUpdateStoreSkus(ctx *jxcontext.Context, storeI
 						continue
 					}
 
-					if err := dao.CreateThingMap(int64(storeSku.SkuID), mainOrderDetail.ProductIdStr, storeDetail.VendorOrgCode, storeSku.VendorSkuAttrId, model.ThingTypeSku, 0); err != nil {
+					if err := dao.CreateThingMap(int64(storeSku.SkuID), utils.Int64ToStr(mainOrderDetail.MainProductId), storeDetail.VendorOrgCode, storeSku.VendorSkuAttrId, model.ThingTypeSku, 0); err != nil {
 						failedList = putils.GetErrMsg2FailedSingleList(storeSku, err, storeID, model.VendorChineseNames[model.VendorIDDD], syncType)
 					}
 
@@ -394,9 +394,9 @@ func (p *PurchaseHandler) createOrUpdateStoreSkus(ctx *jxcontext.Context, storeI
 						failedList = putils.GetErrMsg2FailedSingleList(storeSkuList, err, storeID, model.VendorChineseNames[model.VendorIDDD], syncType)
 						continue
 					}
-					storeSku.VendorMainId = mainOrderDetail.ProductIdStr
 					mainIdInt = mainOrderDetail.MainProductId
-					if err := dao.CreateThingMap(int64(storeSku.SkuID), mainOrderDetail.ProductIdStr, storeDetail.VendorOrgCode, storeSku.VendorSkuAttrId, model.ThingTypeSku, 0); err != nil {
+					storeSku.VendorMainId = utils.Int64ToStr(mainIdInt)
+					if err := dao.CreateThingMap(int64(storeSku.SkuID), utils.Int64ToStr(mainIdInt), storeDetail.VendorOrgCode, storeSku.VendorSkuAttrId, model.ThingTypeSku, 0); err != nil {
 						failedList = putils.GetErrMsg2FailedSingleList(storeSku, err, storeID, model.VendorChineseNames[model.VendorIDDD], syncType)
 					}
 				} else {