diff --git a/src/node/markdown/markdown.ts b/src/node/markdown/markdown.ts
index 7210c7a5..bb56e0cf 100644
--- a/src/node/markdown/markdown.ts
+++ b/src/node/markdown/markdown.ts
@@ -13,7 +13,7 @@ import {
 import { sfcPlugin, type SfcPluginOptions } from '@mdit-vue/plugin-sfc'
 import { titlePlugin } from '@mdit-vue/plugin-title'
 import { tocPlugin, type TocPluginOptions } from '@mdit-vue/plugin-toc'
-import { slugify } from '@mdit-vue/shared'
+import { slugify as defaultSlugify } from '@mdit-vue/shared'
 import type {
   LanguageInput,
   ShikiTransformer,
@@ -232,6 +232,8 @@ export async function createMarkdownRenderer(
     await options.preConfig(md)
   }
 
+  const slugify = options.anchor?.slugify ?? defaultSlugify
+
   // custom plugins
   md.use(componentPlugin, { ...options.component })
     .use(highlightLinePlugin)
@@ -243,7 +245,7 @@ export async function createMarkdownRenderer(
       linkPlugin,
       { target: '_blank', rel: 'noreferrer', ...options.externalLinks },
       base,
-      options.anchor?.slugify ?? slugify
+      slugify
     )
     .use(lineNumberPlugin, options.lineNumbers)
 
@@ -318,6 +320,7 @@ export async function createMarkdownRenderer(
   } as SfcPluginOptions)
     .use(titlePlugin)
     .use(tocPlugin, {
+      slugify,
       ...options.toc
     } as TocPluginOptions)