diff --git a/README.md b/README.md
index 2253b448..e80260c8 100644
--- a/README.md
+++ b/README.md
@@ -99,6 +99,7 @@ To see this theme in action, here are some [live demo sites](https://fixit.lruih
 - **Web Watermark** supported by [cell-watermark](https://github.com/Lruihao/watermark)
 - **Chinese typesetting** supported by [pangu.js](https://github.com/vinta/pangu.js)
 - Options to **cache remote image** locally
+- High **extensibility**
 - ...
 
 ### Theme Components
diff --git a/README.zh-cn.md b/README.zh-cn.md
index 3c582bde..2d64d25c 100644
--- a/README.zh-cn.md
+++ b/README.zh-cn.md
@@ -99,6 +99,7 @@
 - 支持基于 [cell-watermark](https://github.com/Lruihao/watermark) 的**网页水印**
 - 支持基于 [pangu.js](https://github.com/vinta/pangu.js) 的**中文排版**
 - 支持本地**缓存远程图床图片**
+- 高**扩展性**
 - ……
 
 ### 主题组件