diff --git a/package.json b/package.json
index 53f5e04..78f2340 100644
--- a/package.json
+++ b/package.json
@@ -1,5 +1,6 @@
 {
   "private": true,
+  "type": "module",
   "packageManager": "pnpm@8.7.6",
   "scripts": {
     "dev": "vite --open --host",
diff --git a/vite.config.ts b/vite.config.ts
index 58a336f..14b2112 100644
--- a/vite.config.ts
+++ b/vite.config.ts
@@ -13,14 +13,17 @@ import VueI18n from '@intlify/unplugin-vue-i18n/vite'
 import browserslistToEsbuild from 'browserslist-to-esbuild'
 import Modify from '@kingyue/rollup-plugin-modify'
 import * as mdicons from '@mdi/js'
-import { mapKeys } from 'lodash'
 
-const mdi = mapKeys(mdicons, (v, k) =>
-  k.replace(
-    /[A-Z]+(?![a-z])|[A-Z0-9]/g,
-    ($, ofs) => (ofs ? '-' : '') + $.toLowerCase(),
-  ),
-)
+const mdi: Record<string, string> = {}
+Object.keys(mdicons).forEach((key) => {
+  const value = (mdicons as Record<string, string>)[key]
+  mdi[
+    key.replace(
+      /[A-Z]+(?![a-z])|[A-Z0-9]/g,
+      ($, ofs) => (ofs ? '-' : '') + $.toLowerCase(),
+    )
+  ] = value
+})
 
 // https://vitejs.dev/config/
 export default defineConfig({