diff --git a/docs/maputil.md b/docs/maputil.md
index cd8bd73..ca4778f 100644
--- a/docs/maputil.md
+++ b/docs/maputil.md
@@ -5,7 +5,7 @@ Package maputil includes some functions to manipulate map.
 
 ## Source:
 
-- [https://github.com/duke-git/lancet/blob/main/maputil/maputil.go](https://github.com/duke-git/lancet/blob/main/maputil/maputil.go)
+- [https://github.com/duke-git/lancet/blob/main/maputil/map.go](https://github.com/duke-git/lancet/blob/main/maputil/map.go)
 
 
 <div STYLE="page-break-after: always;"></div>
diff --git a/docs/maputil_zh-CN.md b/docs/maputil_zh-CN.md
index 4572c03..fd25dd1 100644
--- a/docs/maputil_zh-CN.md
+++ b/docs/maputil_zh-CN.md
@@ -5,7 +5,7 @@ maputil包包括一些操作map的函数。
 
 ## 源码:
 
-- [https://github.com/duke-git/lancet/blob/main/maputil/maputil.go](https://github.com/duke-git/lancet/blob/main/maputil/maputil.go)
+- [https://github.com/duke-git/lancet/blob/main/maputil/map.go](https://github.com/duke-git/lancet/blob/main/maputil/map.go)
 
 
 <div STYLE="page-break-after: always;"></div>