优化

public/index.html

@@ -12,7 +12,5 @@
       <strong>We're sorry but <%= htmlWebpackPlugin.options.title %> doesn't work properly without JavaScript enabled. Please enable it to continue.</strong>
     </noscript>
     <div id="app"></div>
-    <!-- built files will be auto injected -->
-	<script src="./echarts.js"></script>
   </body>
 </html>