Merge pull request #2 from zhangwenfan123/master

Update main.js

Author: robogeek

src/main/preview-server.js

@@ -34,7 +34,7 @@ function requestHandler(req, res) {
     try {
         res.writeHead(200, {
             'Content-Type': 'text/html',
-            'Content-Length': content.length
+            //'Content-Length': content.length
         });
         res.end(content);
     } catch(err) {

src/renderer/main.js

@@ -1,7 +1,7 @@
 import Vue from 'vue';
 import App from './App';
 import Buefy from 'buefy';
-import 'buefy/lib/buefy.css';
+import 'buefy/dist/buefy.css';
 import util from 'util';
 import { ipcRenderer } from 'electron';