Update README.md

Author: daacheng

README.md

@@ -51,7 +51,7 @@
 
 1.20. [Python之利用MongoDB存储图片](https://github.com/daacheng/PythonBasic/blob/master/studynotes/Python%E4%B9%8B%E5%88%A9%E7%94%A8MongoDB%E5%AD%98%E5%82%A8%E5%9B%BE%E7%89%87.md)
 
-1.21. [nginx+flask+gunicorn部署](https://github.com/daacheng/PythonBasic/blob/master/studynotes/nginx%2Bflask%E9%83%A8%E7%BD%B2.md)
+1.21. [nginx+flask+gunicorn部署](https://github.com/daacheng/PythonBasic/blob/master/studynotes/nginx%2Bflask%2Bgunicorn%E9%83%A8%E7%BD%B2.md)
 ## 2、spider文件夹为爬虫练习代码
 2.[爬虫练习代码](https://github.com/daacheng/PythonBasic/tree/master/spider)