diff --git a/TODO.md b/TODO.md
index d03dd7b..9852df6 100644
--- a/TODO.md
+++ b/TODO.md
@@ -2,7 +2,8 @@
 - [x] rewrite "open file" function
 - [x] fix typos
 - [x] change app extension to **.cnp**
-- [ ] auto-lock on minimize
+- [x] auto-lock on minimize
+- [ ] catch and fix bugs
 
 ## v1.0.0
 - [ ] add documentation