限价修改bug修改

xinnengyuan/ruoyi-modules/ruoyi-system/src/main/java/org/dromara/tender/service/impl/BusBillofquantitiesLimitListServiceImpl.java

@@ -155,7 +155,7 @@ public class BusBillofquantitiesLimitListServiceImpl extends ServiceImpl<BusBill
             list.add(update);
         }
         if (list.isEmpty()) {
-            return false;
+            throw new ServiceException("无修改内容");
         }
         return baseMapper.updateBatchByIdByNull(list);
     }