diff --git a/docs/function.md b/docs/function.md
index c05ad53..8ca3d9a 100644
--- a/docs/function.md
+++ b/docs/function.md
@@ -26,7 +26,6 @@ import (
 - [Compose](#Compose)
 - [Debounced](#Debounced)
 - [Delay](#Delay)
-- [Delay](#Delay)
 - [Watcher](#Watcher)
 
 <div STYLE="page-break-after: always;"></div>
diff --git a/docs/function_zh-CN.md b/docs/function_zh-CN.md
index 6331be8..8fdfaaa 100644
--- a/docs/function_zh-CN.md
+++ b/docs/function_zh-CN.md
@@ -26,7 +26,6 @@ import (
 - [Compose](#Compose)
 - [Debounced](#Debounced)
 - [Delay](#Delay)
-- [Delay](#Delay)
 - [Watcher](#Watcher)
 
 <div STYLE="page-break-after: always;"></div>