:memo: demo 修改

demo/index.js

@@ -52,7 +52,6 @@ if (window.innerWidth < 768) {
 window.vditor = new Vditor('vditor', {
   // _lutePath: `http://192.168.0.107:9090/lute.min.js?${new Date().getTime()}`,
   _lutePath: 'src/js/lute/lute.min.js',
-  cdn: 'http://localhost:9000',
   toolbar,
   mode: 'sv',
   height: window.innerHeight + 100,