From 99c5ca858c967b767f2ad68cf4f72e15e743fefe Mon Sep 17 00:00:00 2001
From: randomJoe211 <69501902+randomJoe211@users.noreply.github.com>
Date: Tue, 8 Mar 2022 17:42:31 +0800
Subject: [PATCH] Update RPM/DEB installation

---
 .../source_install-nebula-graph-by-rpm-or-deb.md      | 11 ++++++++---
 1 file changed, 8 insertions(+), 3 deletions(-)

diff --git a/docs-2.0/reuse/source_install-nebula-graph-by-rpm-or-deb.md b/docs-2.0/reuse/source_install-nebula-graph-by-rpm-or-deb.md
index 9ee8e045f13..7974048493a 100644
--- a/docs-2.0/reuse/source_install-nebula-graph-by-rpm-or-deb.md
+++ b/docs-2.0/reuse/source_install-nebula-graph-by-rpm-or-deb.md
@@ -126,7 +126,9 @@ Prepare the right [resources](https://docs.nebula-graph.io/{{nebula.release}}/4.
   $ sudo rpm -ivh --prefix=<installation_path> <package_name>
   ```
 
-  For example, to install an RPM package in the default path for the {{nebula.release}} version.
+  The option `--prefix` indicates the installation path. The default path is `/usr/local/nebula/`.
+
+  For example, to install an RPM package in the default path for the {{nebula.release}} version, run the following command.
 
   ```bash
   sudo rpm -ivh nebula-graph-{{nebula.release}}.el7.x86_64.rpm
@@ -135,10 +137,13 @@ Prepare the right [resources](https://docs.nebula-graph.io/{{nebula.release}}/4.
 * Use the following syntax to install with a DEB package.
 
   ```bash
-  $ sudo dpkg -i --instdir=<installation_path> <package_name>
+  $ sudo dpkg -i <package_name>
   ```
 
-  For example, to install a DEB package in the default path for the {{nebula.release}} version.
+  !!! note
+        Customizing the installation path is not supported when installing Nebula Graph with a DEB package. The default installation path is `/usr/local/nebula/`.
+
+  For example, to install a DEB package for the {{nebula.release}} version, run the following command.
 
   ```bash
   sudo dpkg -i nebula-graph-{{nebula.release}}.ubuntu1804.amd64.deb