diff --git a/docs-2.0/4.deployment-and-installation/2.compile-and-install-nebula-graph/4.install-nebula-graph-from-tar.md b/docs-2.0/4.deployment-and-installation/2.compile-and-install-nebula-graph/4.install-nebula-graph-from-tar.md
index 604a2822ef..305a17dedd 100644
--- a/docs-2.0/4.deployment-and-installation/2.compile-and-install-nebula-graph/4.install-nebula-graph-from-tar.md
+++ b/docs-2.0/4.deployment-and-installation/2.compile-and-install-nebula-graph/4.install-nebula-graph-from-tar.md
@@ -50,6 +50,15 @@
   ```bash
   tar -xvzf <tar.gz_file_name> -C <install_path>
   ```
+  
+  * `tar.gz_file_name`表示tar.gz文件的名称。
+  * `install_path`表示安装路径。
+  
+  例如：
+  
+  ```bash
+  tar -xvzf nebula-graph-2.6.0.el7.x86_64.tar.gz -C /home/joe/nebula/install
+  ```
 
 3. 修改配置文件名以应用配置。