update

Author: qiwang

docs/README.md

@@ -22,22 +22,23 @@
 
 <img src="https://github.com/datawhalechina/leedl-tutorial/blob/master/assets/apple.png?raw=true" width="300">
 
-购买链接：[京东](https://u.jd.com/ta2MD1R) 
+推荐购买链接：[京东](https://u.jd.com/ta2MD1R) 
 
 <table border="0">
   <tbody>
     <tr align="center" >
       <td>
          <img width="120" height="120" src="https://github.com/datawhalechina/leedl-tutorial/blob/master/assets/apple_jingdong.jpg" alt="pic">
         <br>
-        <p>京东扫码购买</p>
+        <p>推荐京东扫码购买</p>
       </td>
     </tr>
   </tbody>
 </table>
 
 
 
+
 豆瓣评分：https://book.douban.com/subject/36997460/
 
 ℹ️ **勘误修订表**：https://datawhalechina.github.io/leedl-tutorial/#/errata