diff --git a/mkdocs.yml b/mkdocs.yml
index 6e94f61..9464643 100644
--- a/mkdocs.yml
+++ b/mkdocs.yml
@@ -3,3 +3,5 @@ theme: readthedocs
 repo_url: https://github.com/conanhujinming/comments-for-awesome-courses/
 markdown_extensions:
   - def_list
+  - pymdownx.tasklist:
+        custom_checkbox: true