diff --git a/business/partner/purchase/ebai/store_sku2.go b/business/partner/purchase/ebai/store_sku2.go
index 86c4229e1..86b59b7b7 100644
--- a/business/partner/purchase/ebai/store_sku2.go
+++ b/business/partner/purchase/ebai/store_sku2.go
@@ -570,7 +570,7 @@ func genSkuParamsFromStoreSkuInfo2(storeSku *dao.StoreSkuSyncInfo, isCreate, isE
 		sepcProperty := make([]map[string]interface{}, 0, 0)
 		catProperty := make([]map[string]interface{}, 0, 0)
 		attributeList := make([]*AttributeListEBai, 0, 0)
-		err = utils.UnmarshalUseNumber(utils.MustMarshal(storeSku.EbaiAttribute), &attributeList)
+		err = utils.UnmarshalUseNumber([]byte(storeSku.EbaiAttribute), &attributeList)
 		for _, al := range attributeList {
 			for _, pv := range al.PropertyValues {
 				property := map[string]interface{}{