docs: Improve read me files and changes in Spanish. (#3234)

README.zh-CN.md

@@ -79,7 +79,7 @@
 
 [![Edit on CodeSandbox](https://codesandbox.io/static/img/play-codesandbox.svg)](https://codesandbox.io/s/github/PanJiaChen/vue-element-admin/tree/CodeSandbox)
 
- <p align="center">
+<p align="center">
   <img width="900" src="https://wpimg.wallstcn.com/a5894c1b-f6af-456e-82df-1151da0839bf.png">
 </p>
 
@@ -101,7 +101,10 @@ Become a sponsor and get your logo on our README on GitHub with a link to your s
   - 二步登录
 
 - 多环境发布
-  - dev sit stage prod
+  - dev
+  - sit
+  - stage
+  - prod
 
 - 全局功能
   - 国际化多语言
@@ -233,7 +236,7 @@ Modern browsers and Internet Explorer 10+.
 
 | [<img src="https://raw.githubusercontent.com/alrra/browser-logos/master/src/edge/edge_48x48.png" alt="IE / Edge" width="24px" height="24px" />](https://godban.github.io/browsers-support-badges/)</br>IE / Edge | [<img src="https://raw.githubusercontent.com/alrra/browser-logos/master/src/firefox/firefox_48x48.png" alt="Firefox" width="24px" height="24px" />](https://godban.github.io/browsers-support-badges/)</br>Firefox | [<img src="https://raw.githubusercontent.com/alrra/browser-logos/master/src/chrome/chrome_48x48.png" alt="Chrome" width="24px" height="24px" />](https://godban.github.io/browsers-support-badges/)</br>Chrome | [<img src="https://raw.githubusercontent.com/alrra/browser-logos/master/src/safari/safari_48x48.png" alt="Safari" width="24px" height="24px" />](https://godban.github.io/browsers-support-badges/)</br>Safari |
 | --------- | --------- | --------- | --------- |
-| IE10, IE11, Edge| last 2 versions| last 2 versions| last 2 versions
+| IE10, IE11, Edge | last 2 versions | last 2 versions | last 2 versions |
 
 ## License