update

Author: iSpring

tutorials/babel-basic-use/README.md

@@ -1,7 +1,7 @@
 # [Babel使用基础](https://github.com/iSpring/babel-webpack-react-redux-tutorials/tree/master/tutorials/babel-basic-use/README.md)
 
-<div>
-  <img src="https://cdn.rawgit.com/iSpring/babel-webpack-react-redux-tutorials/tree/master/tutorials/babel-basic-use/images/Babel.png" />
+<div align="center">
+  <img width="80%" src="https://rawgit.com/iSpring/babel-webpack-react-redux-tutorials/master/tutorials/babel-basic-use/images/Babel.png" />
 </div>
 
 Babel原名叫做`6to5`，顾名思义，它的使命就是把ES6的代码编译成ES5，使得我们可以使用ES6的新特性与语法编写代码。