[bug report] element UI CDN cannot use the website dependency report rate exceeded

### Element UI version
2.13.0

### OS/Browsers version
windows7

### Vue version
3.0.0-alpha.0

### Reproduction Link
https://jsfiddle.net/mmx38qxw/

### Steps to reproduce
element-ui CDN无法使用 网站依赖报Rate exceeded. https://unpkg.com/element-ui/

### What is Expected?
css和js 依赖正常加载

### What is actually happening?
无法加载导致页面数据无法加载