diff --git a/docs/fileutil_zh-CN.md b/docs/fileutil_zh-CN.md
index 73e22c7..15c5430 100644
--- a/docs/fileutil_zh-CN.md
+++ b/docs/fileutil_zh-CN.md
@@ -43,7 +43,7 @@ import (
 -   [MTime](#MTime)
 -   [Sha](#Sha)
 -   [ReadCsvFile](#ReadCsvFile)
--   [WirteCsvFile](#WirteCsvFile)
+-   [WriteCsvFile](#WriteCsvFile)
 -   [WriteStringToFile](#WriteStringToFile)
 -   [WriteBytesToFile](#WriteBytesToFile)