docs: add plugin tips

docs/en/guide/plugin.md

@@ -1,7 +1,8 @@
 # Custom Plugin
 
-::: warning
-Currently, only methods can be added and modified to the editor instance, and more functions will be extended in the future
+::: tip
+1. Currently, only methods can be added and modified to the editor instance, and more functions will be extended in the future
+2. Official maintenance plugin: https://github.com/Hufe921/canvas-editor-plugin
 :::
 
 ## Write a Plugin

docs/en/guide/start.md

@@ -24,7 +24,6 @@ The official only provides the editor core layer npm package, the menu bar or ot
 
 ## TODO
 
-- Improve title and list functions
 - Computational performance
 - Control rule
 - Table paging