diff --git a/API.md b/API.md
index fba3177ba..7fb061a40 100644
--- a/API.md
+++ b/API.md
@@ -1,4 +1,4 @@
-中文
+[中文](https://github.com/siyuan-note/siyuan/blob/master/API_zh_CN.md)
* [Specification](#Specification)
* [Parameters and return values](#Parameters-and-return-values)
diff --git a/API_zh_CN.md b/API_zh_CN.md
index c184d315a..c38ccb282 100644
--- a/API_zh_CN.md
+++ b/API_zh_CN.md
@@ -1,4 +1,4 @@
-English
+[English](https://github.com/siyuan-note/siyuan/blob/master/API.md)
* [规范](#规范)
* [参数和返回值](#参数和返回值)