diff --git a/business/partner/purchase/tiktok_store/store_sku2_utils.go b/business/partner/purchase/tiktok_store/store_sku2_utils.go
index 75ba64a7c..ed06c35c2 100644
--- a/business/partner/purchase/tiktok_store/store_sku2_utils.go
+++ b/business/partner/purchase/tiktok_store/store_sku2_utils.go
@@ -382,7 +382,7 @@ func (p *PurchaseHandler) createOrUpdateStoreSkus(ctx *jxcontext.Context, storeI
 
 			// 创建子商品
 			//param.FreightId = freightId
-			param.ProductId = utils.Str2Int64(storeSku.VendorMainId)
+			param.ProductId = utils.Str2Int64(storeSku.VendorSkuID)
 			//param.SpecPrices = GetSpecPrices(param.Specs, vendorStoreID, tiktokResult.ProductId, storeSku)
 			// 获取门店限售模板
 			//saleLimitId, err := CreateSaleTemp(utils.Str2Int64(vendorStoreID), api)