商品管理，新增产品修复选取标准明细bug

src/HDrpManagement/ProductMag/modules/add.vue

@@ -690,7 +690,8 @@ export default {
         "length": '', //可选
         "packqty":'1',
         "tags":'',
-        "categories":""
+        "categories":"",
+        "standardsmx":""
       }
     },
     unitChange () {