diff --git a/README.md b/README.md
index 8174a84..31f21af 100644
--- a/README.md
+++ b/README.md
@@ -5,6 +5,10 @@
 把pdf文件转化为五彩斑斓的pdf！  
 这样看黑白论文的时候就不无聊了（
 
+## 效果图
+
+![](https://github.com/Licsber/Colorful-Black/blob/master/example.jpg)
+
 ## 环境依赖
 
 ```
diff --git a/example.jpg b/example.jpg
index aef8fc3..1b07e61 100644
Binary files a/example.jpg and b/example.jpg differ