diff --git a/source/common/reference/doc.md b/source/common/reference/doc.md
index 9b82f63..b7d5b97 100644
--- a/source/common/reference/doc.md
+++ b/source/common/reference/doc.md
@@ -4,7 +4,9 @@
 
 * [砝石 FS-D10 激光雷达](http://www.faselase.com/chanpinshuomingshuxiazai.html)
 
-* [瑞芬星通 AH100B 惯导](http://rion-star.com/cpzx/gxdh/AH100B/2018/0204/112.html)
+* 瑞芬星通 AH100B 惯导:
+ * [产品详情](http://www.rion-star.com/cpzx/gxdh/AH100B/2018/0204/112.html)
+ * [软件下载](http://www.rion-tech.net/download_list/downloadcategoryid=31&isMode=false.html)
 
 * 技嘉 GA-AB350N-Gaming WiFi 主板:
   * [产品详情](https://www.gigabyte.cn/Motherboard/GA-AB350N-Gaming-WIFI-rev-10)