diff --git a/src/main/java/com/peanut/modules/common/service/impl/ClassEntityServiceImpl.java b/src/main/java/com/peanut/modules/common/service/impl/ClassEntityServiceImpl.java
index aa4afce3..e237c48a 100644
--- a/src/main/java/com/peanut/modules/common/service/impl/ClassEntityServiceImpl.java
+++ b/src/main/java/com/peanut/modules/common/service/impl/ClassEntityServiceImpl.java
@@ -1147,9 +1147,11 @@ public class ClassEntityServiceImpl extends ServiceImpl<ClassEntityDao, ClassEnt
             Map<String, Object> map = new HashMap<>();
             map.put("courseEntity",courseEntity);
             MPJLambdaWrapper<CourseCatalogueChapterEntity> chapterWrapper = new MPJLambdaWrapper<>();
+            chapterWrapper.leftJoin(CourseCatalogueEntity.class,CourseCatalogueEntity::getId,CourseCatalogueChapterEntity::getCatalogueId);
             chapterWrapper.eq(CourseCatalogueChapterEntity::getCourseId,courseEntity.getId());
             chapterWrapper.ne(CourseCatalogueChapterEntity::getQuestions,"");
             chapterWrapper.select(CourseCatalogueChapterEntity::getId,CourseCatalogueChapterEntity::getTitle);
+            chapterWrapper.orderByAsc(CourseCatalogueEntity::getSort);
             chapterWrapper.orderByAsc(CourseCatalogueChapterEntity::getSort);
             List<Map<String,Object>> chapterList = courseCatalogueChapterDao.selectMaps(chapterWrapper);
             for (Map<String, Object> m : chapterList) {