Add demo for row-click selection

components/table/demo/row-selection.md

@@ -9,10 +9,14 @@ title:
 
 第一列是联动的选择框。
 
+> 默认点击 checkbox 触发选择行为，需要点击行触发可以参考例子：https://codesandbox.io/s/000vqw38rl
+
 ## en-US
 
 Rows can be selectable by making first column as a selectable column.
 
+> selection happens when clicking checkbox defaultly. You can see https://codesandbox.io/s/000vqw38rl if you need row-click selection behavior.
+
 ````jsx
 import { Table } from 'antd';