diff --git a/README.md b/README.md
index 9ea4730..1f9d736 100644
--- a/README.md
+++ b/README.md
@@ -19,6 +19,7 @@ import Muya from '@marktext/muya'
 
 const container = document.querySelector('#editor')
 const muya = new Muya(container)
+muya.init();
 ```
 
 ## Documents