update

controller/productTracController.js

@@ -89,7 +89,7 @@ async function getTraceCode(req, res, next) {
             source = await DB.ProductDeep.findOne({_id: sourceId});
         }
         traccode.source = source && sourceId;
-        res.sendData(ret);
+        res.sendData(traccode);
     } catch (error) {
         next(error);
     }