diff --git a/docs/_docs/guide/01-quickstart.md b/docs/_docs/guide/01-quickstart.md
index b5710b5eb..5e83b4a03 100644
--- a/docs/_docs/guide/01-quickstart.md
+++ b/docs/_docs/guide/01-quickstart.md
@@ -20,14 +20,14 @@ $ sudo apt install nextepc
 
 >The NextEPC package is also available on [OBS](https://build.opensuse.org/package/show/home:acetcom:open5gs:snapshot/nextepc). First, install the authentication key as shown below.
 ```bash
-$ sudo apt install wget
-$ wget https://download.opensuse.org/repositories/home:/acetcom:/open5gs:/latest/xUbuntu_18.10/Release.key
-$ sudo apt install gnupg
+$ sudo apt update
+$ sudo apt install wget gnupg
+$ wget https://download.opensuse.org/repositories/home:/acetcom:/open5gs:/latest/xUbuntu_18.04/Release.key
 $ sudo apt-key add Release.key
 ```
-In Debian 9.0, you can install it as follows:
+In Ubuntu 18.04(Bionic), you can install it as follows:
 ```bash
-$ sudo sh -c "echo 'deb https://download.opensuse.org/repositories/home:/acetcom:/open5gs:/latest/Debian_9.0/ ./' > /etc/apt/sources.list.d/open5gs.list"
+$ sudo sh -c "echo 'deb https://download.opensuse.org/repositories/home:/acetcom:/open5gs:/latest/xUbuntu_18.04/ ./' > /etc/apt/sources.list.d/open5gs.list"
 $ sudo apt update
 $ sudo apt install nextepc
 ```
diff --git a/webui/package.json b/webui/package.json
index 8af515e00..029041782 100644
--- a/webui/package.json
+++ b/webui/package.json
@@ -1,6 +1,6 @@
 {
   "name": "nextepc",
-  "version": "0.3.10",
+  "version": "0.4.0",
   "description": "NextEPC",
   "main": "index.js",
   "repository": "https://github.com/acetcom/nextepc",