加个判断

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

@@ -1066,9 +1066,13 @@ public class BookGroupBizImpl implements BookGroupBiz {
         if (bookGroupId == null) {
             throw new BookBizException(BookBizException.PARAM_IS_ERROR, "参数不能为空");
         }
-        if (bookGroupDao.getDTOById(bookGroupId) == null) {
+        BookGroupDTO dto = bookGroupDao.getDTOById(bookGroupId);
+        if (dto == null) {
             throw new BookBizException(BookBizException.PARAM_IS_ERROR, "没有该数据！");
         }
+        if (dto.getBookId() != null && !new Long(0L).equals(dto.getBookId())) {
+            throw new BookBizException(BookBizException.PARAM_IS_ERROR, "该社群码已经绑定图书！");
+        }
         ClassifyAndGroupCountVO classifyAndGroupCount = bookGroupClassifyBiz.getClassifyAndGroupCount(bookGroupId);
         if (classifyAndGroupCount != null
                 && ((classifyAndGroupCount.getClassifyCount() != null && classifyAndGroupCount.getClassifyCount() > 0)