diff --git a/README.md b/README.md
index b7b0bc0..ba45abc 100644
--- a/README.md
+++ b/README.md
@@ -33,6 +33,7 @@ new Editor(document.querySelector(".canvas-editor"), [
 3. improve performance
 4. control rules
 5. table paging
+6. [CRDT](https://github.com/Hufe921/canvas-editor/tree/feature/CRDT)
 
 ## snapshot