diff --git a/README.md b/README.md
index 1d3010e..823ecb7 100644
--- a/README.md
+++ b/README.md
@@ -22,7 +22,6 @@
  [Canvas(1)](https://github.com/GcsSloop/AndroidNote/blob/master/%E9%97%AE%E9%A2%98/Canvas/Canvas(1).md) | 颜色与基本图形
  [View几个重要的函数](https://github.com/GcsSloop/AndroidNote/blob/master/%E9%97%AE%E9%A2%98/View/%E8%87%AA%E5%AE%9A%E4%B9%89View%E5%87%A0%E4%B8%AA%E9%87%8D%E8%A6%81%E7%9A%84%E5%87%BD%E6%95%B0.md) | 自定义View流程与重要的函数
 [颜色](https://github.com/GcsSloop/AndroidNote/blob/master/%E9%97%AE%E9%A2%98/%E9%A2%9C%E8%89%B2/%E9%A2%9C%E8%89%B2.md) | 介绍安卓中颜色相关问题
-[角度与弧度](https://github.com/GcsSloop/AndroidNote/blob/master/%E9%97%AE%E9%A2%98/%E8%A7%92%E5%BA%A6%E4%B8%8E%E5%BC%A7%E5%BA%A6/%E8%A7%92%E5%BA%A6%E4%B8%8E%E5%BC%A7%E5%BA%A6.md) | 安卓中角度与弧度相关问题
 
 
 ## About Me