diff --git a/src/main/java/com/sztzjy/resource_center/controller/api/CourseApi.java b/src/main/java/com/sztzjy/resource_center/controller/api/CourseApi.java
index a040283..78a4781 100644
--- a/src/main/java/com/sztzjy/resource_center/controller/api/CourseApi.java
+++ b/src/main/java/com/sztzjy/resource_center/controller/api/CourseApi.java
@@ -59,4 +59,9 @@ public class CourseApi {
         List<SysThreeCatalog> sysThreeCatalogs = threeCatalogMapper.selectByExample(example);
         return  sysThreeCatalogs;
     }
+
+    //增加二级目录 SysTwoCatalog systemOwner
+    //删除二级目录 TwoId schoolId systemOwner
+    //增加三级目录 SysThreeCatalog schoolId systemOwner
+    //删除三级目录 ThreeId schollId systemOwner
 }