fix：修复兑换码权益商品编辑时 未通过数据库存展示不正常bug

src/pages/exchangecode/exchangecodeAdd/index.jsx

@@ -260,6 +260,9 @@ export default class exchangeAdd extends React.Component {
       item1.type = 1
       item1.only = item1.product_id
       item1.upstream = "直连天下"
+      item1.stock = item1.stock || item1.quantity
+      item1.quantity = item1.quantity
+      item1.usage = item1.usage || 0
       if (item1?.goods_id) {
         item1.id = item1.goods_id
       }