diff --git a/src/main/java/com/peanut/modules/medical/service/impl/CourseServiceImpl.java b/src/main/java/com/peanut/modules/medical/service/impl/CourseServiceImpl.java
index 6634aaf2..ced3772f 100644
--- a/src/main/java/com/peanut/modules/medical/service/impl/CourseServiceImpl.java
+++ b/src/main/java/com/peanut/modules/medical/service/impl/CourseServiceImpl.java
@@ -84,7 +84,10 @@ public class CourseServiceImpl extends ServiceImpl<CourseDao, CourseEntity> impl
 
     @Override
     public boolean delUserCourseStudying(Map<String,Object> param) {
-        if (studyingDao.deleteById(param.get("id").toString())>0){
+        LambdaQueryWrapper<UserCourseStudying> wrapper = new LambdaQueryWrapper<>();
+        wrapper.eq(UserCourseStudying::getUserId,ShiroUtils.getUId());
+        wrapper.eq(UserCourseStudying::getCourseId,param.get("courseId").toString());
+        if (studyingDao.delete(wrapper)>0){
             return true;
         }else {
             return false;