diff --git a/docs/unicloud-private-env.md b/docs/unicloud-private-env.md
index a3946b5ad28ae47015ef023c1056f7b3c1741bf1..b52ae64259011119110dd644e9babb23bdc0bcde 100644
--- a/docs/unicloud-private-env.md
+++ b/docs/unicloud-private-env.md
@@ -19,7 +19,9 @@ uniCloud 私有化环境基于 Linux 物理机来构建的，在部署时需要
 
 ### 生成 license
 
-下载`https://xxxxx.com/get-hardware-id`工具到服务器
+下载获取硬件ID工具到服务器
+
+`https://web-ext-storage.dcloud.net.cn/unicloud/private/tools/get-hardware-id`
 
 执行`./get-hardware-id`, 获取到硬件ID