diff --git a/README.md b/README.md
index cfca2eb..bc3a0a2 100644
--- a/README.md
+++ b/README.md
@@ -13,15 +13,21 @@ subscription link of public holidays in mainland China
 日历 - 添加日历 - 添加订阅日历 - 输入链接  
 「 [https://ics.github.rank.technology](https://ics.github.rank.technology) 」
 
-![iOS](./docs/readme/ios.jpeg)
+![iOS](./docs/readme/ios.png)
 
-### MacOs
+### macOs
 
 日历 - 文件 - 新建日历订阅 - 输入链接  
 「 [https://ics.github.rank.technology](https://ics.github.rank.technology) 」
 
 ![MacOs](./docs/readme/macos.png)
 
-### 订阅成功
+## 为补班添加不同的颜色
 
-![subscribed](./docs/readme/overview.png)
+分别订阅
+- 假期：「 [https://ics.github.rank.technology/rest.ics](https://ics.github.rank.technology/rest.ics) 」
+- 补班：「 [https://ics.github.rank.technology/work.ics](https://ics.github.rank.technology/work.ics) 」
+
+给他们分配不同的颜色吧～
+
+![overview](./docs/readme/overview.png)
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