修正一个可能导致el-table无法使用的问题

@@ -23,7 +23,7 @@ function resolve(dir) {
  * that provide pure *.vue files that need compiling
  * https://simulatedgreg.gitbooks.io/electron-vue/content/en/webpack-configurations.html#white-listing-externals
  */
-let whiteListedModules = ['vue']
+let whiteListedModules = ['vue','element-ui']
 
 let rendererConfig = {
   devtool: '#cheap-module-eval-source-map',