Update docs

README-zh.md

@@ -228,6 +228,16 @@ sudo sh vpn.sh
 wget https://get.vpnsetup.net/upg -qO vpnup.sh && sudo sh vpnup.sh
 ```
 
+<details>
+<summary>
+或者，你也可以使用以下命令。
+</summary>
+
+```bash
+wget https://gitlab.com/hwdsl2/setup-ipsec-vpn/-/raw/master/extras/vpnupgrade.sh -qO vpnup.sh && sudo sh vpnup.sh
+```
+</details>
+
 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`。

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
 ```
 
+<details>
+<summary>
+Alternative one-liner.
+</summary>
+
+```bash
+wget https://gitlab.com/hwdsl2/setup-ipsec-vpn/-/raw/master/extras/vpnupgrade.sh -qO vpnup.sh && sudo sh vpnup.sh
+```
+</details>
+
 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.

docs/uninstall-zh.md

@@ -14,6 +14,17 @@ wget -nv -O vpnunst.sh https://get.vpnsetup.net/unst
 sudo bash vpnunst.sh
 ```
 
+<details>
+<summary>
+或者，你也可以使用以下命令。
+</summary>
+
+```bash
+wget -nv -O vpnunst.sh https://gitlab.com/hwdsl2/setup-ipsec-vpn/-/raw/master/extras/vpnuninstall.sh
+sudo bash vpnunst.sh
+```
+</details>
+
 在完成后重启你的服务器。
 
 ## 手动卸载 VPN

docs/uninstall.md

@@ -14,6 +14,17 @@ wget -nv -O vpnunst.sh https://get.vpnsetup.net/unst
 sudo bash vpnunst.sh
 ```
 
+<details>
+<summary>
+Alternative script URL.
+</summary>
+
+```bash
+wget -nv -O vpnunst.sh https://gitlab.com/hwdsl2/setup-ipsec-vpn/-/raw/master/extras/vpnuninstall.sh
+sudo bash vpnunst.sh
+```
+</details>
+
 When finished, reboot your server.
 
 ## Manually uninstall the VPN