Update README.md

Author: Jack-Cherish

README.md

@@ -163,7 +163,7 @@
 <!--![image](http://photos.cuijiahua.com/github/dt.jpg)-->
 <!--![image](https://ftp.bmp.ovh/imgs/2021/01/1d5ded7f914607ec.jpg)-->
 <!-- ![image](https://raw.githubusercontent.com/Jack-Cherish/PythonPark/master/images/dt.jpg) -->
-![image](http://photos.cuijiahua.com/python_lujing.png)
+![image](http://photos.cuijiahua.com/python_lujingtu.png)
 
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