USTC-Resource
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+1-1 b/‎README.md
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 └ README.md
 ```
 # 课程关系
-![](images/course.png)
+![](images/course.svg)
 
 更多信息可以下载[官网的培养方案](https://www.teach.ustc.edu.cn/education/241.html/attachment/14-215%E8%AE%A1%E7%AE%97%E6%9C%BA%E5%AD%A6%E9%99%A2-2013)