Update README.md

README.md

@@ -1,11 +1,13 @@
 ![Logo](admin/material.png)
-# yunkong2.material
-=================
 
-[![NPM version](http://img.shields.io/npm/v/yunkong2.material.svg)](https://www.npmjs.com/package/yunkong2.material)
-[![Downloads](https://img.shields.io/npm/dm/yunkong2.material.svg)](https://www.npmjs.com/package/yunkong2.material)
+# 注意
+
+npm i react@16.4.2
 
-[![NPM](https://nodei.co/npm/yunkong2.material.png?downloads=true)](https://nodei.co/npm/yunkong2.material/)
+npm i react-dom@16.4.2
+
+# yunkong2.material
+=================
 
 React and Material UI interface.