diff --git a/__unconfig_vite.config.ts b/__unconfig_vite.config.ts
new file mode 100644
index 0000000..45a2036
--- /dev/null
+++ b/__unconfig_vite.config.ts
@@ -0,0 +1,42 @@
+let __unconfig_data
+const __unconfig_stub = function (data) {
+  __unconfig_data = data
+}
+__unconfig_stub.default = (data) => {
+  __unconfig_data = data
+}
+import * as path from 'path'
+import dts from 'vite-plugin-dts'
+import { defineConfig } from 'vite'
+import vue from '@vitejs/plugin-vue'
+import libCss from 'vite-plugin-libcss'
+import vueJsx from '@vitejs/plugin-vue-jsx'
+import { terser } from 'rollup-plugin-terser'
+
+// https://vitejs.dev/config/
+const __unconfig_default = defineConfig({
+  base: './',
+  plugins: [vue(), vueJsx(), dts(), libCss()],
+  build: {
+    lib: {
+      entry: path.resolve(__dirname, 'src/index.ts'),
+      name: 'SimpleWorkerTimer',
+      fileName: (format) => `index.${format}.js`
+    },
+    // https://rollupjs.org/guide/en/#big-list-of-options
+    rollupOptions: {
+      treeshake: true,
+      external: ['vue'],
+      output: {
+        globals: {
+          vue: 'vue'
+        },
+        exports: 'named'
+      },
+      plugins: [terser({ compress: { drop_console: true } })]
+    }
+  }
+})
+
+if (typeof __unconfig_default === 'function') __unconfig_default(...[{ command: 'serve', mode: 'development' }])
+export default __unconfig_data
diff --git a/example/Vue3/.gitignore b/example/Vue3/.gitignore
index a547bf3..7a9d1bc 100644
--- a/example/Vue3/.gitignore
+++ b/example/Vue3/.gitignore
@@ -22,3 +22,5 @@ dist-ssr
 *.njsproj
 *.sln
 *.sw?
+
+.vercel
diff --git a/package.json b/package.json
index 72cb950..f392162 100644
--- a/package.json
+++ b/package.json
@@ -23,6 +23,7 @@
   },
   "main": "dist/index.umd.js",
   "module": "dist/index.es.js",
+  "types": "dist/index.d.ts",
   "unpkg": "dist/index.umd.js",
   "jsdelivr": "dist/index.umd.js",
   "exports": {
diff --git a/src/utils/index.ts b/src/utils/index.ts
index 47849d2..a38a21f 100644
--- a/src/utils/index.ts
+++ b/src/utils/index.ts
@@ -1,16 +1,16 @@
 import { IDate } from '../types/index'
 
-// 正则格式化日期
+/** 正则格式化日期 */
 export const formatDate = (date: Date, dateFormat: string) => {
   /* 单独格式化年份，根据y的字符数量输出年份
-     * 例如：yyyy => 2019
-            yy => 19
-            y => 9
-     */
+    * 例如：yyyy => 2019
+          yy => 19
+          y => 9
+    */
   if (/(y+)/.test(dateFormat)) {
     dateFormat = dateFormat.replace(RegExp.$1, (date.getFullYear() + '').substr(4 - RegExp.$1.length))
   }
-  // 格式化月、日、时、分、秒
+  /** 格式化月、日、时、分、秒 */
   const o: IDate = {
     'm+': date.getMonth() + 1,
     'd+': date.getDate(),
@@ -20,7 +20,7 @@ export const formatDate = (date: Date, dateFormat: string) => {
   }
   for (const k in o) {
     if (new RegExp(`(${k})`).test(dateFormat)) {
-      // 取出对应的值
+      /** 取出对应的值 */
       const str = o[k] + ''
       /* 根据设置的格式，输出对应的字符
        * 例如: 早上8时，hh => 08，h => 8
@@ -33,7 +33,7 @@ export const formatDate = (date: Date, dateFormat: string) => {
   return dateFormat
 }
 
-// 日期时间补零
+/** 日期时间补零 */
 export const padLeftZero = (str: string | any[]) => {
   return ('00' + str).substr(str.length)
 }
diff --git a/src/worker.ts b/src/worker.ts
index e113da7..f6e65c4 100644
--- a/src/worker.ts
+++ b/src/worker.ts
@@ -1,4 +1,6 @@
-// 正则格式化日期
+/** 为什么不用utils导入的原因: https://github.com/vitejs/vite/issues/9882 */
+
+/** 正则格式化日期 */
 const formatDate = (date: Date, dateFormat: string) => {
   /* 单独格式化年份，根据y的字符数量输出年份
      * 例如：yyyy => 2019
@@ -33,7 +35,7 @@ const formatDate = (date: Date, dateFormat: string) => {
   return dateFormat
 }
 
-// 日期时间补零
+/** 日期时间补零 */
 const padLeftZero = (str: string | any[]) => {
   return ('00' + str).substr(str.length)
 }