fix bug

packages/starter-kit/index.ts

@@ -13,6 +13,7 @@ import Underline from '@tiptap/extension-underline'
 import Blockquote from '@tiptap/extension-blockquote'
 import HorizontalRule from '@tiptap/extension-horizontal-rule'
 import BulletList from '@tiptap/extension-bullet-list'
+import OrderedList from '@tiptap/extension-ordered-list'
 import ListItem from '@tiptap/extension-list-item'
 
 export default function defaultExtensions() {
@@ -32,6 +33,7 @@ export default function defaultExtensions() {
     Blockquote(),
     HorizontalRule(),
     BulletList(),
+    OrderedList(),
     ListItem(),
   ]
 }

packages/starter-kit/package.json

@@ -27,6 +27,7 @@
     "@tiptap/extension-blockquote": "1.x",
     "@tiptap/extension-horizontal-rule": "1.x",
     "@tiptap/extension-bullet-list": "1.x",
+    "@tiptap/extension-ordered-list": "1.x",
     "@tiptap/extension-list-item": "1.x"
   }
 }