diff --git a/README-zh-cn.md b/README-zh-cn.md
index ef89758..55544df 100644
--- a/README-zh-cn.md
+++ b/README-zh-cn.md
@@ -50,6 +50,13 @@ $ make build
 
 笔者时间和水平有限，如果读者发现书中内容的错误，欢迎提 [Issue](https://github.com/changkun/modern-cpp-tutorial/issues)，或者直接提 [Pull request](https://github.com/changkun/modern-cpp-tutorial/pulls)。详细贡献指南请参考[如何参与贡献](CONTRIBUTING.md)，由衷感谢每一位指出本书中出现错误的读者，包括但不限于 [Contributors](https://github.com/changkun/modern-cpp-tutorial/graphs/contributors)。
 
+<p>本项目还由以下产品提供赞助支持：</p>
+<p>
+  <a href="https://www.digitalocean.com/?refcode=834a3bbc951b&utm_campaign=Referral_Invite&utm_medium=Referral_Program&utm_source=CopyPaste">
+    <img src="https://opensource.nyc3.cdn.digitaloceanspaces.com/attribution/assets/SVG/DO_Logo_horizontal_blue.svg" width="201px">
+  </a>
+</p>
+
 ## 许可
 
 <a rel="license" href="http://creativecommons.org/licenses/by-nc-nd/4.0/"><img alt="知识共享许可协议" style="border-width:0" src="https://i.creativecommons.org/l/by-nc-nd/4.0/80x15.png" /></a>
diff --git a/README.md b/README.md
index 4459ec9..8e94da7 100644
--- a/README.md
+++ b/README.md
@@ -57,6 +57,13 @@ The author has limited time and language skills. If readers find any mistakes in
 
 The author is grateful to all contributors, including but not limited to [Contributors](https://github.com/changkun/modern-cpp-tutorial/graphs/contributors).
 
+<p>This project is also supported by:</p>
+<p>
+  <a href="https://www.digitalocean.com/?refcode=834a3bbc951b&utm_campaign=Referral_Invite&utm_medium=Referral_Program&utm_source=CopyPaste">
+    <img src="https://opensource.nyc3.cdn.digitaloceanspaces.com/attribution/assets/SVG/DO_Logo_horizontal_blue.svg" width="201px">
+  </a>
+</p>
+
 ## Licenses
 
 <a rel="license" href="http://creativecommons.org/licenses/by-nc-nd/4.0/"><img alt="Creative Commons License" style="border-width:0" src="https://i.creativecommons.org/l/by-nc-nd/4.0/88x31.png" /></a><br />This work was written by [Ou Changkun](https://changkun.de) and licensed under a <a rel="license" href="http://creativecommons.org/licenses/by-nc-nd/4.0/">Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International License</a>. The code of this repository is open sourced under the [MIT license](./LICENSE).
diff --git a/website/src/modern-cpp/about/ack.md b/website/src/modern-cpp/about/ack.md
new file mode 100644
index 0000000..1e3107b
--- /dev/null
+++ b/website/src/modern-cpp/about/ack.md
@@ -0,0 +1,31 @@
+---
+title: 致谢
+type: about
+order: 4
+---
+
+## Acknowledgements
+
+This book was originally written in Chinese by [Changkun Ou](https://changkun.de).
+
+The author has limited time and language skills. If readers find any mistakes in the book or any language improvements, please feel free to open an [Issue](https://github.com/changkun/modern-cpp-tutorial/issues) or start a [Pull request](https://github.com/changkun/modern-cpp-tutorial/pulls). For detailed guidelines and checklist, please refer to [How to contribute](CONTRIBUTING.md).
+
+The author is grateful to all contributors, including but not limited to [Contributors](https://github.com/changkun/modern-cpp-tutorial/graphs/contributors).
+
+<p>This project is also supported by:</p>
+<p>
+  <a href="https://www.digitalocean.com/?refcode=834a3bbc951b&utm_campaign=Referral_Invite&utm_medium=Referral_Program&utm_source=CopyPaste">
+    <img src="https://opensource.nyc3.cdn.digitaloceanspaces.com/attribution/assets/SVG/DO_Logo_horizontal_blue.svg" width="201px">
+  </a>
+</p>
+
+## 致谢
+
+笔者时间和水平有限，如果读者发现书中内容的错误，欢迎提 [Issue](https://github.com/changkun/modern-cpp-tutorial/issues)，或者直接提 [Pull request](https://github.com/changkun/modern-cpp-tutorial/pulls)。详细贡献指南请参考[如何参与贡献](CONTRIBUTING.md)，由衷感谢每一位指出本书中出现错误的读者，包括但不限于 [Contributors](https://github.com/changkun/modern-cpp-tutorial/graphs/contributors)。
+
+<p>本项目还由以下产品提供赞助支持：</p>
+<p>
+  <a href="https://www.digitalocean.com/?refcode=834a3bbc951b&utm_campaign=Referral_Invite&utm_medium=Referral_Program&utm_source=CopyPaste">
+    <img src="https://opensource.nyc3.cdn.digitaloceanspaces.com/attribution/assets/SVG/DO_Logo_horizontal_blue.svg" width="201px">
+  </a>
+</p>
\ No newline at end of file
diff --git a/website/themes/moderncpp/layout/partials/main_menu.ejs b/website/themes/moderncpp/layout/partials/main_menu.ejs
index 1d1e0b1..a2cd212 100755
--- a/website/themes/moderncpp/layout/partials/main_menu.ejs
+++ b/website/themes/moderncpp/layout/partials/main_menu.ejs
@@ -18,6 +18,7 @@
       <li><a class="nav-link" href="<%- url_for("/modern-cpp/about/donate.html") %>" >资助</a></li>
       <li><a class="nav-link" href="<%- url_for("/modern-cpp/about/community.html") %>" >社区</a></li>
       <li><a class="nav-link" href="<%- url_for("/modern-cpp/about/copyright.html") %>" >版权声明</a></li>
+      <li><a class="nav-link" href="<%- url_for("/modern-cpp/about/ack.html") %>" >致谢</a></li>
       </ul></li>
   </ul>
 </li>
diff --git a/website/themes/moderncpp/layout/partials/main_menu_en.ejs b/website/themes/moderncpp/layout/partials/main_menu_en.ejs
index 760d483..dcd0db1 100644
--- a/website/themes/moderncpp/layout/partials/main_menu_en.ejs
+++ b/website/themes/moderncpp/layout/partials/main_menu_en.ejs
@@ -18,6 +18,7 @@
     <li><a class="nav-link" href="<%- url_for("/modern-cpp/about/donate.html") %>" >Donate</a></li>
     <li><a class="nav-link" href="<%- url_for("/modern-cpp/about/community.html") %>" >Community</a></li>
     <li><a class="nav-link" href="<%- url_for("/modern-cpp/about/copyright.html") %>" >Copyright</a></li>
+    <li><a class="nav-link" href="<%- url_for("/modern-cpp/about/ack.html") %>" >Acknowledgements</a></li>
     </ul></li>
 </ul>
 </li>