diff --git a/business/partner/purchase/tiktok_store/store_sku2.go b/business/partner/purchase/tiktok_store/store_sku2.go
index f44adbc7d..0a602cdb7 100644
--- a/business/partner/purchase/tiktok_store/store_sku2.go
+++ b/business/partner/purchase/tiktok_store/store_sku2.go
@@ -185,7 +185,7 @@ func (p *PurchaseHandler) UpdateStoreSkusPrice(ctx *jxcontext.Context, vendorOrg
 		price := &sku_editPrice_request.SkuEditPriceParam{
 			Price:     v.VendorPrice,
 			SkuId:     tiktokSkuId,
-			ProductId: utils.Str2Int64(v.VendorMainId),
+			ProductId: utils.Str2Int64(v.VendorSkuID),
 		}
 		//更新子品
 		if err = api.EditPrice(price); err != nil {
diff --git a/business/partner/purchase/tiktok_store/store_sku2_utils.go b/business/partner/purchase/tiktok_store/store_sku2_utils.go
index fe1c41cf2..e3af2f8a9 100644
--- a/business/partner/purchase/tiktok_store/store_sku2_utils.go
+++ b/business/partner/purchase/tiktok_store/store_sku2_utils.go
@@ -555,6 +555,7 @@ func getProductSkuId4UpdateStock(api *tiktokShop.API, skuInfo *partner.StoreSkuI
 	for _, v := range childrenSku.SpecPrices {
 		tiktokSkuId = v.SkuId
 		skuInfo.VendorSonSkuID = utils.Int64ToStr(v.SkuId)
+		skuInfo.VendorSkuID = childrenSku.ProductIdStr
 		return tiktokSkuId, nil
 	}