商品质量没有问题，展示默认值

@@ -1390,12 +1390,16 @@ public class ProductServiceImpl implements ProductService {
                     qualityInfo.append(",").append(flaw.getName());
                 }
             }
-            qualityInfo.append(",").append(secondhandInfo.getFlawAttr());
+            if(StringUtils.isNotBlank(secondhandInfo.getFlawAttr())) {
+                qualityInfo.append(",").append(secondhandInfo.getFlawAttr());
+            }
             if (boxInfo.length() > 0) {
                 resp.setShoeBoxDesc(boxInfo.substring(1));
             }
             if (qualityInfo.length() > 0) {
                 resp.setShoeQualityDesc(qualityInfo.substring(1));
+            } else {
+                resp.setShoeQualityDesc("该商品没有明显瑕疵");
             }
         }