update

mec-biz/src/main/java/com/ym/mec/biz/service/impl/ClassGroupServiceImpl.java

@@ -322,7 +322,7 @@ public class ClassGroupServiceImpl extends BaseServiceImpl<Integer, ClassGroup>
         return classGroupAndTeachers;
     }
 
-    public List<CourseListDto> queryCoursePage(int userId) {
+    public List<CourseListDto> queryCoursePage(Integer userId) {
         return classGroupDao.queryCoursePage(userId);
     }