add echarts in utils

public/index.html

@@ -30,7 +30,6 @@
     <script src="<%= VUE_APP_OSS_URL %>static/js/crypto.min-4.0.0.js"></script>
     <script src="<%= VUE_APP_OSS_URL %>static/js/vconsole-3.3.4.js"></script>
     <script src="<%= VUE_APP_OSS_URL %>static/js/lodash-4.17.15.js"></script>
-    <script src="https://cdn.bootcdn.net/ajax/libs/echarts/4.9.0-rc.1/echarts.min.js"></script>
   </body>
 
 </html>