diff --git a/TODO.md b/TODO.md
index ed8d7f50..bd9d754e 100644
--- a/TODO.md
+++ b/TODO.md
@@ -2,13 +2,14 @@
 
 See `TODO.md` in each repos.
 
+## Roadmap
+
+- Reimplement C++ parser in vczh-libraries/Document using this project.
+  - Move all test cases to `BuiltIn_CppDoc`.
+- Refactor vczh-libraries/Document to generate document using the new parser but skip the code index temporary.
+- Create a new repo `BuildTools` and adapt the release license instead of the development license.
+- Revisit Hero DB (prolog is a bad idea, use a simple FPL with additional `query` syntax for querying)
+
 ## Ubuntu Development Environment
 
 - Consider recognize referenced projects automatically.
-
-## GacUI Tutorials
-
-## New Repos
-
-- Hero DB
-- VlppParser2