diff --git a/docs/rock5/rock5a/download.md b/docs/rock5/rock5a/download.md
index a3af95d96..c4679be1d 100644
--- a/docs/rock5/rock5a/download.md
+++ b/docs/rock5/rock5a/download.md
@@ -10,6 +10,7 @@ import Images from "./\_image.mdx"
 
 Radxa ROCK 5A V1.1 版本
 
+[产品简介 pdf](https://dl.radxa.com/rock5/5a/docs/radxa_rock5a_product_brief.pdf)  
 [v1.1 2D dxf](https://dl.radxa.com/rock5/5a/docs/hw/radxa_rock5a_X1.11_2D.dxf)  
 [v1.1 3D stp](https://dl.radxa.com/rock5/5a/docs/hw/rock_5a_3d_pcba.rar)  
 [v1.1 原理图 pdf](https://dl.radxa.com/rock5/5a/docs/hw/radxa_rock5a_V1.1_sch.pdf)  
diff --git a/i18n/en/docusaurus-plugin-content-docs/current/rock5/rock5a/download.md b/i18n/en/docusaurus-plugin-content-docs/current/rock5/rock5a/download.md
index 11413f3db..c0df4af45 100644
--- a/i18n/en/docusaurus-plugin-content-docs/current/rock5/rock5a/download.md
+++ b/i18n/en/docusaurus-plugin-content-docs/current/rock5/rock5a/download.md
@@ -10,6 +10,7 @@ import Images from "./\_image.mdx"
 
 Radxa ROCK 5A Version V1.1
 
+[Product brief pdf](https://dl.radxa.com/rock5/5a/docs/radxa_rock5a_product_brief.pdf)  
 [v1.1 2D dxf](https://dl.radxa.com/rock5/5a/docs/hw/radxa_rock5a_X1.11_2D.dxf)  
 [v1.1 3D stp](https://dl.radxa.com/rock5/5a/docs/hw/rock_5a_3d_pcba.rar)  
 [v1.1 Schematic pdf](https://dl.radxa.com/rock5/5a/docs/hw/radxa_rock5a_V1.1_sch.pdf)