diff --git a/README-zh.md b/README-zh.md
index 3f11d7e..7170a65 100644
--- a/README-zh.md
+++ b/README-zh.md
@@ -32,24 +32,12 @@ wget -O openvpn.sh https://get.vpnsetup.net/ovpn
 sudo bash openvpn.sh --auto
 ```
 
-<details>
-<summary>
-默认选项列表。
-</summary>
-
-```
-网络协议: UDP
-端口: UDP/1194
-客户端名称: client
-客户端 DNS: Google Public DNS
-```
-</details>
 <details>
 <summary>
 查看脚本的示例输出（终端记录）。
 </summary>
 
-**注：** 此终端记录仅用于演示目的。该记录中的 VPN 凭据 **无效**。
+**注：** 此终端记录仅用于演示目的。
 
 <p align="center"><img src="docs/images/demo1.svg"></p>
 </details>
@@ -95,6 +83,8 @@ https://gitlab.com/hwdsl2/openvpn-install/-/raw/master/openvpn-install.sh
 
 **[配置 OpenVPN 客户端](docs/clients-zh.md)**
 
+**[下载 VPN 文档的 PDF 版本（支持者）](https://ko-fi.com/post/Support-this-project-and-get-access-to-supporter-o-X8X5FVFZC)**
+
 开始使用自己的专属 VPN! :sparkles::tada::rocket::sparkles:
 
 <details>
@@ -104,7 +94,7 @@ https://gitlab.com/hwdsl2/openvpn-install/-/raw/master/openvpn-install.sh
 
 <a href="https://ko-fi.com/hwdsl2" target="_blank"><img height="36" width="187" src="docs/images/kofi2.png" border="0" alt="Buy Me a Coffee at ko-fi.com" /></a> &nbsp;&nbsp;<a href="https://coindrop.to/hwdsl2" target="_blank"><img src="docs/images/embed-button.png" height="36" width="145" border="0" alt="Coindrop.to me" /></a>
 
-仅限支持者的内容可用。[点击查看详情](https://ko-fi.com/hwdsl2)。
+仅限支持者的内容可用。[点击查看详情](https://ko-fi.com/post/Support-this-project-and-get-access-to-supporter-o-X8X5FVFZC)。
 </details>
 
 ## 致谢
diff --git a/README.md b/README.md
index e2b7407..ba50e6c 100644
--- a/README.md
+++ b/README.md
@@ -32,24 +32,12 @@ wget -O openvpn.sh https://get.vpnsetup.net/ovpn
 sudo bash openvpn.sh --auto
 ```
 
-<details>
-<summary>
-List of default options.
-</summary>
-
-```
-Protocol: UDP
-Port: UDP/1194
-Client name: client
-Client DNS: Google Public DNS
-```
-</details>
 <details>
 <summary>
 See the script in action (terminal recording).
 </summary>
 
-**Note:** This recording is for demo purposes only. VPN credentials in this recording are **NOT** valid.
+**Note:** This recording is for demo purposes only.
 
 <p align="center"><img src="docs/images/demo1.svg"></p>
 </details>
@@ -95,6 +83,8 @@ Get your computer or device to use the VPN. Please refer to:
 
 **[Configure OpenVPN Clients](docs/clients.md)**
 
+**[Download PDF versions of VPN docs (supporters)](https://ko-fi.com/post/Support-this-project-and-get-access-to-supporter-o-O5O7FVF8J)**
+
 Enjoy your very own VPN! :sparkles::tada::rocket::sparkles:
 
 <details>
@@ -104,7 +94,7 @@ Like this project? You can show your support or appreciation.
 
 <a href="https://ko-fi.com/hwdsl2" target="_blank"><img height="36" width="187" src="docs/images/kofi2.png" border="0" alt="Buy Me a Coffee at ko-fi.com" /></a> &nbsp;&nbsp;<a href="https://coindrop.to/hwdsl2" target="_blank"><img src="docs/images/embed-button.png" height="36" width="145" border="0" alt="Coindrop.to me" /></a>
 
-Supporter-only content is available. [Click to see details](https://ko-fi.com/hwdsl2).
+Supporter-only content is available. [Click to see details](https://ko-fi.com/post/Support-this-project-and-get-access-to-supporter-o-O5O7FVF8J).
 </details>
 
 ## Credits