Update README.md

Author: geekxh

清晰版电子书1000本/README.md

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 提取码：请下方扫码回复【book】进行获取
 
-[![图片展示失败，点击查看](https://www.geekxh.com/code.png)](https://www.geekxh.com/code.png)
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+ [![图片展示失败，点击查看](https://www.geekxh.com/code.png)](https://www.geekxh.com/code.png)
+</p>
 
 ![](./book_1000.png)