Merge branch 'fixbug/1029783' into 'master'

bug: [1029783] 编辑端设置图书封面

See merge request rays/pcloud-book!1336

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

@@ -1044,10 +1044,10 @@ public class ResourcePageBizImpl implements ResourcePageBiz {
 
         // 更新图书封面
         ResourcePage page = resourcePageDao.getById(resourcePageId);
-        if (StrUtil.isNotBlank(updateResourcePageVO.getBookCover()) && Objects.nonNull(page) && Objects.nonNull(page.getBookGroupId())) {
-            BookGroupDTO bookGroupDto = bookGroupDao.getDTOById(page.getBookGroupId());
+        if (StrUtil.isNotBlank(updateResourcePageVO.getBookCover()) && Objects.nonNull(page)) {
             Long bookId;
-            if (Objects.nonNull(bookGroupDto)) {
+            if (Objects.nonNull(page.getBookGroupId())) {
+                BookGroupDTO bookGroupDto = bookGroupDao.getDTOById(page.getBookGroupId());
                 bookId = bookGroupDto.getBookId();
             } else {
                 bookId = channelConsr.getBookId4SceneId(page.getSceneId());