diff --git a/src/node/config.ts b/src/node/config.ts
index 3c02056d..d0450176 100644
--- a/src/node/config.ts
+++ b/src/node/config.ts
@@ -6,7 +6,7 @@ import { resolveAliases, APP_PATH, DEFAULT_THEME_PATH } from './alias'
 import { SiteData, HeadConfig, LocaleConfig } from '../../types/shared'
 import { MarkdownOptions } from './markdown/markdown'
 import { AliasOptions } from 'vite'
-import { Options } from '@vitejs/plugin-vue'
+import { Options as VuePluginOptions } from '@vitejs/plugin-vue'
 export { resolveSiteDataByRoute } from './shared/config'
 
 const debug = require('debug')('vitepress:config')
@@ -22,7 +22,7 @@ export interface UserConfig<ThemeConfig = any> {
   alias?: Record<string, string>
   markdown?: MarkdownOptions
   customData?: any
-  vueOptions: Options
+  vueOptions?: VuePluginOptions
 }
 
 export interface SiteConfig<ThemeConfig = any> {
@@ -35,7 +35,7 @@ export interface SiteConfig<ThemeConfig = any> {
   alias: AliasOptions
   pages: string[]
   markdown?: MarkdownOptions
-  vueOptions: Options
+  vueOptions?: VuePluginOptions
 }
 
 const resolve = (root: string, file: string) =>