diff --git a/README.md b/README.md
index 32a51c6..493e26f 100644
--- a/README.md
+++ b/README.md
@@ -10,7 +10,7 @@ And make it available for everyone in a more convenient way, like GUI and mobile
 # Todos
 
 - [x] Refactor the legacy version.
-- [ ] Add A-Star resolver in legacy version to replace LUT resolver.
+- [x] Add BFS resolver in legacy version to replace LUT resolver.
 - [ ] Use Rust to fully rewrite the legacy version as a library.
 - [ ] Use Rust to create a CLI based on the library created at previous step.
 - [ ] Utilize FLTK to create a GUI in desktop operating system.