diff --git a/lib/index.ts b/lib/index.ts
index e0807a2..4a18b4d 100644
--- a/lib/index.ts
+++ b/lib/index.ts
@@ -618,7 +618,8 @@ export default class VitePressSidebar {
       sidebarItems = VitePressSidebar.sortByObjectKey({
         arr: sidebarItems,
         key: 'order',
-        desc: options.sortMenusOrderByDescending
+        desc: options.sortMenusOrderByDescending,
+        numerically: true
       });
 
       VitePressSidebar.deepDeleteKey(sidebarItems, 'order');
diff --git a/test/resources/frontmatter-basic/a.md b/test/resources/frontmatter-basic/a.md
index 1a6945a..ef55a29 100644
--- a/test/resources/frontmatter-basic/a.md
+++ b/test/resources/frontmatter-basic/a.md
@@ -1,6 +1,6 @@
 ---
 title: A Frontmatter
-order: 4
+order: 10
 date: 2023-01-05
 author: cdget.com
 exclude: true