diff --git a/docs/en/05-get-started/index.md b/docs/en/05-get-started/index.md
index 66573a89cd..cc3b4826dd 100644
--- a/docs/en/05-get-started/index.md
+++ b/docs/en/05-get-started/index.md
@@ -21,17 +21,6 @@ import {useCurrentSidebarCategory} from '@docusaurus/theme-common';
 <DocCardList items={useCurrentSidebarCategory().items}/>
 ```
 
-## Study TDengine Knowledge Map
-
-The TDengine Knowledge Map covers the various knowledge points of TDengine, revealing the invocation relationships and data flow between various conceptual entities. Learning and understanding the TDengine Knowledge Map will help you quickly master the TDengine knowledge system.
-
-<figure>
-<center>
-<a href="pathname:///img/tdengine-map.svg" target="_blank"><img src="/img/tdengine-map.svg" width="80%" /></a>
-<figcaption>Diagram 1. TDengine Knowledge Map</figcaption>
-</center>
-</figure>
-
 ## Join TDengine Community
 
 <table width="100%">
diff --git a/docs/en/28-releases/01-tdengine.md b/docs/en/28-releases/01-tdengine.md
index d05bf1139c..365b36b14f 100644
--- a/docs/en/28-releases/01-tdengine.md
+++ b/docs/en/28-releases/01-tdengine.md
@@ -6,7 +6,7 @@ description: This document provides download links for all released versions of
 
 TDengine 3.x installation packages can be downloaded at the following links:
 
-For TDengine 2.x installation packages by version, please visit [here](https://www.taosdata.com/all-downloads).
+For TDengine 2.x installation packages by version, please visit [here](https://tdengine.com/downloads/historical/).
 
 import Release from "/components/ReleaseV3";