diff --git a/_docs/en/docs.md b/_docs/en/docs.md
index 36cecb18..d7bd92b9 100644
--- a/_docs/en/docs.md
+++ b/_docs/en/docs.md
@@ -1,3 +1,13 @@
 ---
 permalink: /docs/index.html
 ---
+
+This document is intended for both Pegasus administrators and application developers. This document is being continuously improved, and you can find the codebase where the document is generated from. We warmly welcome your help in improving the document.
+
+-----
+
+Document categorizes:
+
+- [{{ site.data.translate['title_clients'] }}](/clients)
+- [{{ site.data.translate['title_api'] }}](/api)
+- [{{ site.data.translate['title_administration'] }}](/administration)
diff --git a/_docs/zh/docs.md b/_docs/zh/docs.md
index 4687feed..d87d0615 100644
--- a/_docs/zh/docs.md
+++ b/_docs/zh/docs.md
@@ -2,8 +2,7 @@
 permalink: /docs/index.html
 ---
 
-本文档既是面向Pegasus的运维人员，也是面向使用Pegasus的业务开发者。本文档正在持续改善中，你能够在
-<{{ site.pegasus_website_github_url }}> 这里找到文档所在仓库。非常欢迎你帮助我们改善文档。
+本文档既是面向 Pegasus 的运维人员，也是面向使用 Pegasus 的业务开发者。本文档正在持续改善中，你能够在 <{{ site.pegasus_website_github_url }}> 这里找到文档所在代码仓库。非常欢迎你帮助我们改善文档。
 
 -----