diff --git a/app/composables/usePageScrollLock.ts b/app/composables/usePageScrollLock.ts
index 2b5dea2..6d79dfe 100644
--- a/app/composables/usePageScrollLock.ts
+++ b/app/composables/usePageScrollLock.ts
@@ -1,6 +1,5 @@
 import { onBeforeUnmount, watch, type Ref, isRef, unref, computed } from 'vue'
 import { useNuxtApp, useHead } from '#imports'
-import type Lenis from 'lenis'
 
 // 全局模块级变量，用于记录锁定请求的次数，解决多组件并发锁定的竞态问题
 let lenisLockCount = 0
@@ -13,8 +12,9 @@ export const usePageScrollLock = (isLocked: Ref<boolean> | boolean) => {
   // SSR 和 CSR 都支持：自动将 class 注入到 HTML 标签上
   useHead({
     htmlAttrs: {
-      class: computed(() => unref(isLocked) ? 'is-home-intro-active' : '')
-    }
+      class: computed(() => unref(isLocked) ? 'is-home-intro-active' : ''),
+      lang: 'zh-CN',
+    },
   })
 
   let currentlyLocked = false