diff --git a/TODO.md b/TODO.md
index d47b5583..450bb866 100644
--- a/TODO.md
+++ b/TODO.md
@@ -13,7 +13,7 @@ https://zhuanlan.zhihu.com/p/39369370
 - [ ] Window Icon
 - [x] Fix GacGen crash when defining an instance whose name conflicts with something from imported resources
 - [ ] Fix GacGen reports only "error dumping resource file" while the resource file contains some syntax errors preventing GacGen from reading it
-- [ ] Fix hook mouse events in ButtonTemplate make GuiButton::Click not working
+- [x] Fix hook mouse events in ButtonTemplate make GuiButton::Click not working
 - [x] Fix list control being able to scroll by mouse while there is no scroll bar
 - [x] Fix list control cannot set data source from non-null to null
 - [x] Initialize localized strings object to `en-US` at the beginning to prevent from getting a null object in script