diff --git a/src/main/resources/mapper/course/CourseCollectDao.xml b/src/main/resources/mapper/course/CourseCollectDao.xml
index d4fcaac1..6c57db52 100644
--- a/src/main/resources/mapper/course/CourseCollectDao.xml
+++ b/src/main/resources/mapper/course/CourseCollectDao.xml
@@ -49,7 +49,6 @@
         FROM `course_collect` c1
         WHERE c1.classify = 3
           AND c1.user_id = #{userId}
-        group by c1.course_id
         order by c1.create_time desc
     </select>
 </mapper>