原代码错用 location 变量作为判断，会一直读取 window.location

🔥 Clean up unused code

* div to fragment

* Remove extra divs

* fix indent

* translate FooterToolbar

* remove the unnessary demo code

* let request.js be able to deal with FormData

* Update request.js

* Update request.js

* Update request.js

* Update request.js

* remove comma

* add period in the end for the tip which don't has before

* 让保存  取消 按钮有点击的机会

* Update TableForm.js

delete

* Slider breakpoint: md => lg

* breadcrumb separator custom

- extract columns
- support multiple sums display

https://webpack.github.io/docs/context.html The webpack 1.x documentation was deleted.

* 修复当Login内不使用Tab无法输入当问题

当Login内不使用Tab时，存在二个问题：
1、item有可能为空
2、输入框无法输入，执行了Login的render方法，但子组件没有执行

* 修复当用tab时子元素被清空当问题

修复当用tab时子元素被清空当问题

* authority injection

* Delete nonsense

* Remove the login page guest role

* Formatted as eslint format