diff --git a/build/full-bundle.ts b/build/full-bundle.ts
index c7afcbb2c0..0827970b90 100644
--- a/build/full-bundle.ts
+++ b/build/full-bundle.ts
@@ -61,12 +61,6 @@ import { EP_PREFIX, excludes } from './constants'
     plugins: [...config.plugins, RollupResolveEntryPlugin()],
   })
 
-  console.log(chalk.yellow('Generating index.js'))
-
-  await bundle.write(umd as any)
-
-  console.log(chalk.green('index.js generated'))
-
   console.log(chalk.yellow('Generating index.full.js'))
 
   await bundle.write(umdMinified as any)
diff --git a/packages/element-plus/index.ts b/packages/element-plus/index.ts
index dc0a4c0784..0887ab97c3 100644
--- a/packages/element-plus/index.ts
+++ b/packages/element-plus/index.ts
@@ -1,3 +1,4 @@
+import installer from './defaults'
 export * from '@element-plus/components'
 export * from '@element-plus/directives'
 export * from '@element-plus/hooks'
@@ -5,3 +6,6 @@ export * from '@element-plus/tokens'
 
 export { default as makeInstaller } from './make-installer'
 export { default } from './defaults'
+
+export const install = installer.install
+export const version = installer.version
diff --git a/packages/hooks/use-locale/index.ts b/packages/hooks/use-locale/index.ts
index 4aeed71184..eaa6f423f6 100644
--- a/packages/hooks/use-locale/index.ts
+++ b/packages/hooks/use-locale/index.ts
@@ -88,13 +88,9 @@ function template(str: string, option) {
   })
 }
 
-export const localeProviderMaker = ({
-  locale,
-}: {
-  locale?: Language
-}) => {
-  const lang = ref((locale || English).name)
-  const localeRef = ref(locale || English)
+export const localeProviderMaker = (locale = English) => {
+  const lang = ref(locale.name)
+  const localeRef = ref(locale)
   return {
     lang,
     locale: localeRef,
diff --git a/website/components/demo-block.vue b/website/components/demo-block.vue
index 5bb42540ca..caa8098514 100644
--- a/website/components/demo-block.vue
+++ b/website/components/demo-block.vue
@@ -262,9 +262,9 @@ ${this.codepen.style}
       // since 2.6.2 use code rather than jsfiddle https://blog.codepen.io/documentation/api/prefill/
       const { script, html, style } = this.codepen
       const resourcesTpl = '<scr' + 'ipt src="//unpkg.com/vue@next"></scr' + 'ipt>' +
-        '\n<scr' + `ipt src="//unpkg.com/element-plus/lib/index.full.js"></scr` + 'ipt>'
+        '\n<scr' + `ipt src="//unpkg.com/element-plus/dist/index.full.js"></scr` + 'ipt>'
       let htmlTpl = `${resourcesTpl}\n<div id="app">\n${html.trim()}\n</div>`
-      let cssTpl = `@import url("//unpkg.com/element-plus/lib/theme-chalk/index.css");\n${(style || '').trim()}\n`
+      let cssTpl = `@import url("//unpkg.com/element-plus/dist/index.css");\n${(style || '').trim()}\n`
       let jsTpl = script ? script.replace(/export default/, 'var Main =').trim().replace(/import ({.*}) from 'vue'/g, (s, s1) => `const ${s1} = Vue`).replace(/import ({.*}) from 'element-plus'/g, (s, s1) => `const ${s1} = ElementPlus`) : 'var Main = {}'
       jsTpl += '\n;const app = Vue.createApp(Main);\napp.use(ElementPlus);\napp.mount("#app")'
       const data = {