diff --git a/README-zh.md b/README-zh.md
index cf0ceed..c921fc5 100644
--- a/README-zh.md
+++ b/README-zh.md
@@ -228,6 +228,16 @@ sudo sh vpn.sh
wget https://get.vpnsetup.net/upg -qO vpnup.sh && sudo sh vpnup.sh
```
+
+
+或者,你也可以使用以下命令。
+
+
+```bash
+wget https://gitlab.com/hwdsl2/setup-ipsec-vpn/-/raw/master/extras/vpnupgrade.sh -qO vpnup.sh && sudo sh vpnup.sh
+```
+
+
当前支持的 Libreswan 最新版本是 `4.6`。查看已安装版本:`ipsec --version`。
**注:** `xl2tpd` 可以使用系统的软件包管理器进行更新,例如 Ubuntu/Debian 上的 `apt-get`。
diff --git a/README.md b/README.md
index ae87fc6..4855e24 100644
--- a/README.md
+++ b/README.md
@@ -228,6 +228,16 @@ Use this one-liner to update [Libreswan](https://libreswan.org) ([changelog](htt
wget https://get.vpnsetup.net/upg -qO vpnup.sh && sudo sh vpnup.sh
```
+
+
+Alternative one-liner.
+
+
+```bash
+wget https://gitlab.com/hwdsl2/setup-ipsec-vpn/-/raw/master/extras/vpnupgrade.sh -qO vpnup.sh && sudo sh vpnup.sh
+```
+
+
The latest supported Libreswan version is `4.6`. Check installed version: `ipsec --version`.
**Note:** `xl2tpd` can be updated using your system's package manager, such as `apt-get` on Ubuntu/Debian.
diff --git a/docs/uninstall-zh.md b/docs/uninstall-zh.md
index 035187a..eb60aa3 100644
--- a/docs/uninstall-zh.md
+++ b/docs/uninstall-zh.md
@@ -14,6 +14,17 @@ wget -nv -O vpnunst.sh https://get.vpnsetup.net/unst
sudo bash vpnunst.sh
```
+
+
+或者,你也可以使用以下命令。
+
+
+```bash
+wget -nv -O vpnunst.sh https://gitlab.com/hwdsl2/setup-ipsec-vpn/-/raw/master/extras/vpnuninstall.sh
+sudo bash vpnunst.sh
+```
+
+
在完成后重启你的服务器。
## 手动卸载 VPN
diff --git a/docs/uninstall.md b/docs/uninstall.md
index 3b4ce16..d35f94d 100644
--- a/docs/uninstall.md
+++ b/docs/uninstall.md
@@ -14,6 +14,17 @@ wget -nv -O vpnunst.sh https://get.vpnsetup.net/unst
sudo bash vpnunst.sh
```
+
+
+Alternative script URL.
+
+
+```bash
+wget -nv -O vpnunst.sh https://gitlab.com/hwdsl2/setup-ipsec-vpn/-/raw/master/extras/vpnuninstall.sh
+sudo bash vpnunst.sh
+```
+
+
When finished, reboot your server.
## Manually uninstall the VPN