diff --git a/business/partner/purchase/tiktok_store/store_sku2.go b/business/partner/purchase/tiktok_store/store_sku2.go
index 57ce57d8a..68ae7a11a 100644
--- a/business/partner/purchase/tiktok_store/store_sku2.go
+++ b/business/partner/purchase/tiktok_store/store_sku2.go
@@ -362,6 +362,7 @@ func (p *PurchaseHandler) createOrUpdateStoreSkus(ctx *jxcontext.Context, storeI
 
 			// 创建子商品
 			param.FreightId = freightId
+			param.MainProductId = tiktokResult.ProductId
 			param.SpecPrices = GetSpecPrices(param.Specs, vendorStoreID, tiktokResult.ProductId, storeSku)
 			// 获取门店限售模板
 			saleLimitId, err := CreateSaleTemp(utils.Str2Int64(vendorStoreID), api)