diff --git a/README.md b/README.md
index d86dd6e..f4b1271 100644
--- a/README.md
+++ b/README.md
@@ -32,11 +32,12 @@ new Editor(document.querySelector(".canvas-editor"), [
 
 ## next features
 
-1. drag text (optimization)
-2. page header and footer
-3. control rules
-4. table paging
-5. docs
+1. support mac os
+2. drag text (optimization)
+3. page header and footer
+4. control rules
+5. table paging
+6. docs
 
 ## install