change README.md

2019-05-23 18:30:14 +08:00 · 2019-05-23 18:30:14 +08:00 · ba8210cc8c
--- a/README.md
+++ b/README.md
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 [简体中文](README_zh_CN.md)

+[Tutorial](Tutorial.md) [中文教程](Tutorial_zh_CN.md) 
+

 # Table of Contents
 * [Overview](#Overview)
--- a/README_zh_CN.md
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 [English version](README.md)

+[中文教程](Tutorial_zh_CN.md) [Tutorial](Tutorial.md)
+
 # 目录

 * [概览](#概览)