bug

src/main/java/com/peanut/modules/book/controller/BookController.java

@@ -747,6 +747,8 @@ public class BookController {
                 wrapper1.eq(MedicaldesBook::getTypeId,type);
             }
             bookEntityPage = bookService.getBaseMapper().selectPage(new Page<>(page, limit), wrapper1);
+        }else {
+            return R.ok().put("page",null);
         }
         for (BookEntity b:bookEntityPage.getRecords()){
             LambdaQueryWrapper<BookForumArticlesEntity> bookForumArticlesEntityLambdaQueryWrapper = new LambdaQueryWrapper<>();