fix:fixed theme-picker bug

src/components/ThemePicker/index.vue

@@ -7,6 +7,7 @@
 
 <script>
 import { getVersion } from '@/utils/index.js'
+
 const version = getVersion('element-ui') // element-ui version from package.json
 const ORIGINAL_THEME = '#409EFF' // default color
 

src/utils/index.js

@@ -266,9 +266,8 @@ export function deepClone(source) {
   return targetObj
 }
 
-// get dependencies verison from package.json by webpack.DefinePlugin
+// get dependencies verison from package.json
 export function getVersion(name) {
-  import('../../package').then(p => {
+  const p = require('../../package')
   return p.dependencies[name]
-  })
 }