diff --git a/business/partner/purchase/ebai/store_sku2.go b/business/partner/purchase/ebai/store_sku2.go
index f944995ac..be00e1a67 100644
--- a/business/partner/purchase/ebai/store_sku2.go
+++ b/business/partner/purchase/ebai/store_sku2.go
@@ -345,7 +345,7 @@ func genSkuParamsFromStoreSkuInfo2(storeSku *dao.StoreSkuSyncInfo, isCreate, isE
 		params["upc"] = storeSku.Upc
 		params["name"] = storeSku.Name
 		params["cat3_id"] = storeSku.ExdCategoryThirdID
-		params["category_id"] = utils.Str2Int64(storeSku.VendorCatID)
+		params["category_id"] = utils.Str2Int64WithDefault(storeSku.VendorCatID, 0)
 	}
 	if storeSku.DescImg != "" {
 		params["rtf"] = storeSku.DescImg