diff --git a/README-zh.md b/README-zh.md
index 6c7b0e3..0d77c85 100644
--- a/README-zh.md
+++ b/README-zh.md
@@ -37,10 +37,11 @@ wget https://get.vpnsetup.net -O vpn.sh && sudo sh vpn.sh
 curl -fsSL https://get.vpnsetup.net -o vpn.sh && sudo sh vpn.sh
 ```
 
-或者，你也可以使用这个链接：
+或者，你也可以使用这些链接：
 
 ```bash
-curl -fsSL https://gitlab.com/hwdsl2/setup-ipsec-vpn/-/raw/master/vpnsetup.sh -o vpn.sh && sudo sh vpn.sh
+https://github.com/hwdsl2/setup-ipsec-vpn/raw/master/vpnsetup.sh
+https://gitlab.com/hwdsl2/setup-ipsec-vpn/-/raw/master/vpnsetup.sh
 ```
 
 如果无法下载，打开 [vpnsetup.sh](vpnsetup.sh)，然后点击右边的 `Raw` 按钮。按快捷键 `Ctrl/Cmd+A` 全选，`Ctrl/Cmd+C` 复制，然后粘贴到你喜欢的编辑器。
@@ -173,11 +174,11 @@ curl -fL https://get.vpnsetup.net -o vpn.sh
 sudo sh vpn.sh
 ```
 
-或者，你也可以使用这个链接：
+或者，你也可以使用这些链接：
 
 ```bash
-curl -fL https://gitlab.com/hwdsl2/setup-ipsec-vpn/-/raw/master/vpnsetup.sh -o vpn.sh
-sudo sh vpn.sh
+https://github.com/hwdsl2/setup-ipsec-vpn/raw/master/vpnsetup.sh
+https://gitlab.com/hwdsl2/setup-ipsec-vpn/-/raw/master/vpnsetup.sh
 ```
 
 如果无法下载，打开 [vpnsetup.sh](vpnsetup.sh)，然后点击右边的 `Raw` 按钮。按快捷键 `Ctrl/Cmd+A` 全选，`Ctrl/Cmd+C` 复制，然后粘贴到你喜欢的编辑器。
@@ -232,10 +233,11 @@ wget https://get.vpnsetup.net/upg -O vpnup.sh && sudo sh vpnup.sh
 curl -fsSL https://get.vpnsetup.net/upg -o vpnup.sh && sudo sh vpnup.sh
 ```
 
-或者，你也可以使用这个链接：
+或者，你也可以使用这些链接：
 
 ```bash
-curl -fsSL https://gitlab.com/hwdsl2/setup-ipsec-vpn/-/raw/master/extras/vpnupgrade.sh -o vpnup.sh && sudo sh vpnup.sh
+https://github.com/hwdsl2/setup-ipsec-vpn/raw/master/extras/vpnupgrade.sh
+https://gitlab.com/hwdsl2/setup-ipsec-vpn/-/raw/master/extras/vpnupgrade.sh
 ```
 
 如果无法下载，打开 [vpnupgrade.sh](extras/vpnupgrade.sh)，然后点击右边的 `Raw` 按钮。按快捷键 `Ctrl/Cmd+A` 全选，`Ctrl/Cmd+C` 复制，然后粘贴到你喜欢的编辑器。
@@ -263,6 +265,25 @@ curl -fsSL https://gitlab.com/hwdsl2/setup-ipsec-vpn/-/raw/master/extras/vpnupgr
 wget https://get.vpnsetup.net/unst -O vpnunst.sh && sudo bash vpnunst.sh
 ```
 
+<details>
+<summary>
+或者，你也可以使用以下命令。
+</summary>
+
+你也可以使用 `curl` 下载：
+
+```bash
+curl -fsSL https://get.vpnsetup.net/unst -o vpnunst.sh && sudo bash vpnunst.sh
+```
+
+或者，你也可以使用这些链接：
+
+```bash
+https://github.com/hwdsl2/setup-ipsec-vpn/raw/master/extras/vpnuninstall.sh
+https://gitlab.com/hwdsl2/setup-ipsec-vpn/-/raw/master/extras/vpnuninstall.sh
+```
+</details>
+
 更多信息请参见 [卸载 VPN](docs/uninstall-zh.md)。
 
 ## 问题和反馈
diff --git a/README.md b/README.md
index 4a45300..3c08b51 100644
--- a/README.md
+++ b/README.md
@@ -37,10 +37,11 @@ You may also use `curl` to download:
 curl -fsSL https://get.vpnsetup.net -o vpn.sh && sudo sh vpn.sh
 ```
 
-Alternative setup URL:
+Alternative setup URLs:
 
 ```bash
-curl -fsSL https://gitlab.com/hwdsl2/setup-ipsec-vpn/-/raw/master/vpnsetup.sh -o vpn.sh && sudo sh vpn.sh
+https://github.com/hwdsl2/setup-ipsec-vpn/raw/master/vpnsetup.sh
+https://gitlab.com/hwdsl2/setup-ipsec-vpn/-/raw/master/vpnsetup.sh
 ```
 
 If you are unable to download, open [vpnsetup.sh](vpnsetup.sh), then click the `Raw` button on the right. Press `Ctrl/Cmd+A` to select all, `Ctrl/Cmd+C` to copy, then paste into your favorite editor.
@@ -173,11 +174,11 @@ curl -fL https://get.vpnsetup.net -o vpn.sh
 sudo sh vpn.sh
 ```
 
-Alternative setup URL:
+Alternative setup URLs:
 
 ```bash
-curl -fL https://gitlab.com/hwdsl2/setup-ipsec-vpn/-/raw/master/vpnsetup.sh -o vpn.sh
-sudo sh vpn.sh
+https://github.com/hwdsl2/setup-ipsec-vpn/raw/master/vpnsetup.sh
+https://gitlab.com/hwdsl2/setup-ipsec-vpn/-/raw/master/vpnsetup.sh
 ```
 
 If you are unable to download, open [vpnsetup.sh](vpnsetup.sh), then click the `Raw` button on the right. Press `Ctrl/Cmd+A` to select all, `Ctrl/Cmd+C` to copy, then paste into your favorite editor.
@@ -232,10 +233,11 @@ You may also use `curl` to download:
 curl -fsSL https://get.vpnsetup.net/upg -o vpnup.sh && sudo sh vpnup.sh
 ```
 
-Alternative update URL:
+Alternative update URLs:
 
 ```bash
-curl -fsSL https://gitlab.com/hwdsl2/setup-ipsec-vpn/-/raw/master/extras/vpnupgrade.sh -o vpnup.sh && sudo sh vpnup.sh
+https://github.com/hwdsl2/setup-ipsec-vpn/raw/master/extras/vpnupgrade.sh
+https://gitlab.com/hwdsl2/setup-ipsec-vpn/-/raw/master/extras/vpnupgrade.sh
 ```
 
 If you are unable to download, open [vpnupgrade.sh](extras/vpnupgrade.sh), then click the `Raw` button on the right. Press `Ctrl/Cmd+A` to select all, `Ctrl/Cmd+C` to copy, then paste into your favorite editor.
@@ -263,6 +265,25 @@ To uninstall IPsec VPN, run the [helper script](extras/vpnuninstall.sh):
 wget https://get.vpnsetup.net/unst -O vpnunst.sh && sudo bash vpnunst.sh
 ```
 
+<details>
+<summary>
+Alternative commands.
+</summary>
+
+You may also use `curl` to download:
+
+```bash
+curl -fsSL https://get.vpnsetup.net/unst -o vpnunst.sh && sudo bash vpnunst.sh
+```
+
+Alternative script URLs:
+
+```bash
+https://github.com/hwdsl2/setup-ipsec-vpn/raw/master/extras/vpnuninstall.sh
+https://gitlab.com/hwdsl2/setup-ipsec-vpn/-/raw/master/extras/vpnuninstall.sh
+```
+</details>
+
 For more information, see [Uninstall the VPN](docs/uninstall.md).
 
 ## Feedback & Questions
diff --git a/docs/images/badges/docker-stars.svg b/docs/images/badges/docker-stars.svg
index 355ab08..4e209aa 100644
--- a/docs/images/badges/docker-stars.svg
+++ b/docs/images/badges/docker-stars.svg
@@ -1 +1 @@
-<svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" width="125" height="20" role="img" aria-label="docker stars: 422"><title>docker stars: 422</title><linearGradient id="s" x2="0" y2="100%"><stop offset="0" stop-color="#bbb" stop-opacity=".1"/><stop offset="1" stop-opacity=".1"/></linearGradient><clipPath id="r"><rect width="125" height="20" rx="3" fill="#fff"/></clipPath><g clip-path="url(#r)"><rect width="94" height="20" fill="#555"/><rect x="94" width="31" height="20" fill="#066da5"/><rect width="125" height="20" fill="url(#s)"/></g><g fill="#fff" text-anchor="middle" font-family="Verdana,Geneva,DejaVu Sans,sans-serif" text-rendering="geometricPrecision" font-size="110"><image x="5" y="3" width="14" height="14" xlink:href="data:image/svg+xml;base64,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"/><text aria-hidden="true" x="565" y="150" fill="#010101" fill-opacity=".3" transform="scale(.1)" textLength="670">docker stars</text><text x="565" y="140" transform="scale(.1)" fill="#fff" textLength="670">docker stars</text><text aria-hidden="true" x="1085" y="150" fill="#010101" fill-opacity=".3" transform="scale(.1)" textLength="210">422</text><text x="1085" y="140" transform="scale(.1)" fill="#fff" textLength="210">422</text></g></svg>
+<svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" width="125" height="20" role="img" aria-label="docker stars: 426"><title>docker stars: 426</title><linearGradient id="s" x2="0" y2="100%"><stop offset="0" stop-color="#bbb" stop-opacity=".1"/><stop offset="1" stop-opacity=".1"/></linearGradient><clipPath id="r"><rect width="125" height="20" rx="3" fill="#fff"/></clipPath><g clip-path="url(#r)"><rect width="94" height="20" fill="#555"/><rect x="94" width="31" height="20" fill="#066da5"/><rect width="125" height="20" fill="url(#s)"/></g><g fill="#fff" text-anchor="middle" font-family="Verdana,Geneva,DejaVu Sans,sans-serif" text-rendering="geometricPrecision" font-size="110"><image x="5" y="3" width="14" height="14" xlink:href="data:image/svg+xml;base64,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"/><text aria-hidden="true" x="565" y="150" fill="#010101" fill-opacity=".3" transform="scale(.1)" textLength="670">docker stars</text><text x="565" y="140" transform="scale(.1)" fill="#fff" textLength="670">docker stars</text><text aria-hidden="true" x="1085" y="150" fill="#010101" fill-opacity=".3" transform="scale(.1)" textLength="210">426</text><text x="1085" y="140" transform="scale(.1)" fill="#fff" textLength="210">426</text></g></svg>
diff --git a/docs/uninstall-zh.md b/docs/uninstall-zh.md
index 2ed3c1c..0d223d2 100644
--- a/docs/uninstall-zh.md
+++ b/docs/uninstall-zh.md
@@ -15,6 +15,25 @@
 wget https://get.vpnsetup.net/unst -O vpnunst.sh && sudo bash vpnunst.sh
 ```
 
+<details>
+<summary>
+或者，你也可以使用以下命令。
+</summary>
+
+你也可以使用 `curl` 下载：
+
+```bash
+curl -fsSL https://get.vpnsetup.net/unst -o vpnunst.sh && sudo bash vpnunst.sh
+```
+
+或者，你也可以使用这些链接：
+
+```bash
+https://github.com/hwdsl2/setup-ipsec-vpn/raw/master/extras/vpnuninstall.sh
+https://gitlab.com/hwdsl2/setup-ipsec-vpn/-/raw/master/extras/vpnuninstall.sh
+```
+</details>
+
 ## 手动卸载 VPN
 
 另外，你也可以手动卸载 IPsec VPN。按照以下步骤操作。这些命令需要用 `root` 账户运行，或者使用 `sudo`。
diff --git a/docs/uninstall.md b/docs/uninstall.md
index 2bdea04..95bbcff 100644
--- a/docs/uninstall.md
+++ b/docs/uninstall.md
@@ -15,6 +15,25 @@ To uninstall IPsec VPN, run the [helper script](../extras/vpnuninstall.sh):
 wget https://get.vpnsetup.net/unst -O vpnunst.sh && sudo bash vpnunst.sh
 ```
 
+<details>
+<summary>
+Alternative commands.
+</summary>
+
+You may also use `curl` to download:
+
+```bash
+curl -fsSL https://get.vpnsetup.net/unst -o vpnunst.sh && sudo bash vpnunst.sh
+```
+
+Alternative script URLs:
+
+```bash
+https://github.com/hwdsl2/setup-ipsec-vpn/raw/master/extras/vpnuninstall.sh
+https://gitlab.com/hwdsl2/setup-ipsec-vpn/-/raw/master/extras/vpnuninstall.sh
+```
+</details>
+
 ## Manually uninstall the VPN
 
 Alternatively, you may manually uninstall IPsec VPN by following these steps. Commands must be run as `root`, or with `sudo`.