doc:update link of react-blocks (#7299)

components/grid/index.en-US.md

@@ -84,7 +84,7 @@ Flex layout is based on a grid 24 to define each "box" in width, but not rigidly
 Ant Design layout component if it can not meet your needs, you can use the excellent layout of the components of the community:
 
 - [react-flexbox-grid](http://roylee0704.github.io/react-flexbox-grid/)
-- [react-blocks](http://whoisandie.github.io/react-blocks/)
+- [react-blocks](https://github.com/whoisandy/react-blocks/)
 
 ### Row
 

components/grid/index.zh-CN.md

@@ -83,7 +83,7 @@ Flex 布局是基于 24 栅格来定义每一个『盒子』的宽度，但排
 Ant Design 的布局组件若不能满足你的需求，你也可以直接使用社区的优秀布局组件：
 
 - [react-flexbox-grid](http://roylee0704.github.io/react-flexbox-grid/)
-- [react-blocks](http://whoisandie.github.io/react-blocks/)
+- [react-blocks](https://github.com/whoisandy/react-blocks/)
 
 ### Row