diff --git a/docs/zh/05-get-started/03-package.md b/docs/zh/05-get-started/03-package.md
index 63698aab505a4d8d490f75cfb619ef2e069aaca7..0c178e59620265230685b799efc86afe7e9fe05b 100644
--- a/docs/zh/05-get-started/03-package.md
+++ b/docs/zh/05-get-started/03-package.md
@@ -29,6 +29,7 @@ echo "deb [arch=amd64] http://repos.taosdata.com/tdengine-stable stable main" |
 如果安装 Beta 版需要安装包仓库
 
 ```bash
+wget -qO - http://repos.taosdata.com/tdengine.key | sudo apt-key add -
 echo "deb [arch=amd64] http://repos.taosdata.com/tdengine-beta beta main" | sudo tee /etc/apt/sources.list.d/tdengine-beta.list
 ```