diff --git a/TODO.md b/TODO.md
index 48a4f72..eb10229 100644
--- a/TODO.md
+++ b/TODO.md
@@ -6,7 +6,7 @@
 
 - [ ] define loss flow in yaml.
 
-- [ ] video demo.
+- [x] video demo.
 
 - [x] model file on aws server.