加个判空，价格回滚

pcloud-service-book/src/main/java/com/pcloud/book/group/biz/impl/BookGroupBizImpl.java

@@ -2242,7 +2242,7 @@ public class BookGroupBizImpl implements BookGroupBiz {
     @ParamLog("校验字段")
     private void checkBookGroupServe(List<BookGroupServe> bookGroupServes){
         if (ListUtils.isEmpty(bookGroupServes)) {
-            return;
+            throw new BookBizException(BookBizException.PARAM_IS_ERROR, "参数不能为空！");
         }
         for (BookGroupServe bookGroupServe : bookGroupServes) {
             if (bookGroupServe == null) {
@@ -2263,6 +2263,7 @@ public class BookGroupBizImpl implements BookGroupBiz {
         }
     }
 
+    @Transactional(rollbackFor = Exception.class)
     @ParamLog("批量更新资源配置")
     @Override
     public void batchUpdateBookGroupServe(Long partyId, List<BookGroupServe> bookGroupServes) {