Update README-CN.md

Author: huangshuwei

README-CN.md

@@ -43,8 +43,9 @@
 -   [x] [国际化](http://happy-coding-clans.github.io/vue-easytable/#/zh/doc/locale)
 -   [x] [主题定制 & 内置主题](http://happy-coding-clans.github.io/vue-easytable/#/zh/doc/theme)
 -   [x] [虚拟滚动](http://happy-coding-clans.github.io/vue-easytable/#/zh/doc/table/virtual-scroll)
--   [x] [固定列](http://happy-coding-clans.github.io/vue-easytable/#/zh/doc/table/column-fixed)
--   [x] [固定表头](http://happy-coding-clans.github.io/vue-easytable/#/zh/doc/table/header-fixed)
+-   [x] [列固定](http://happy-coding-clans.github.io/vue-easytable/#/zh/doc/table/column-fixed)
+-   [x] [列隐藏](http://happy-coding-clans.github.io/vue-easytable/#/zh/doc/table/column-hidden)
+-   [x] [表头固定](http://happy-coding-clans.github.io/vue-easytable/#/zh/doc/table/header-fixed)
 -   [x] [表头分组](http://happy-coding-clans.github.io/vue-easytable/#/zh/doc/table/header-grouping)
 -   [x] [筛选](http://happy-coding-clans.github.io/vue-easytable/#/zh/doc/table/header-filter)
 -   [x] [排序](http://happy-coding-clans.github.io/vue-easytable/#/zh/doc/table/header-sort)