diff --git a/src/main/java/com/peanut/modules/master/controller/CourseController.java b/src/main/java/com/peanut/modules/master/controller/CourseController.java
index 62eb25b5..c9a54341 100644
--- a/src/main/java/com/peanut/modules/master/controller/CourseController.java
+++ b/src/main/java/com/peanut/modules/master/controller/CourseController.java
@@ -191,13 +191,11 @@ CourseController {
     }
 
     @RequestMapping("/editCourseCatalogueChapter")
+    @Transactional
     public R editCourseCatalogueChapter(@RequestBody CourseCatalogueChapterEntity courseCatalogueChapterEntity){
         courseCatalogueChapterService.updateById(courseCatalogueChapterEntity);
         //修改视频
         if (courseCatalogueChapterEntity.getVideoList()!=null&&courseCatalogueChapterEntity.getVideoList().size() > 0){
-            LambdaQueryWrapper<CourseCatalogueChapterVideoEntity> wrapper = new LambdaQueryWrapper();
-            wrapper.eq(CourseCatalogueChapterVideoEntity::getChapterId,courseCatalogueChapterEntity.getId());
-            courseCatalogueChapterVideoService.remove(wrapper);
             for (CourseCatalogueChapterVideoEntity c:courseCatalogueChapterEntity.getVideoList()) {
                 if (c.getId()==0){
                     courseCatalogueChapterVideoService.save(c);