doc (readme): public service

README.md

@@ -37,11 +37,12 @@ Feel free to provide feedback in [GitHub Issues](https://github.com/Byaidu/PDFMa
 
 <h2 id="updates">Updates</h2>
 
+- [Nov. 23 2024] 🌟 [Public Service](#demo)  online! *(by [@Byaidu](https://github.com/Byaidu))*  
 - [Nov. 23 2024] Non-PDF/A documents are now supported *(by [@reycn](https://github.com/reycn))*  
 - [Nov. 23 2024] Firewall for preventing web bots *(by [@Byaidu](https://github.com/Byaidu))*  
 - [Nov. 22 2024] GUI now supports Italian, and has been improved *(by [@Byaidu](https://github.com/Byaidu), [@reycn](https://github.com/reycn))*  
 - [Nov. 22 2024] You can now share your deployed service to others *(by [@Zxis233](https://github.com/Zxis233))*  
-- [Nov. 22 2024] Now supportsTencent Translation *(by [@hellofinch](https://github.com/hellofinch))*  
+- [Nov. 22 2024] Now supports Tencent Translation *(by [@hellofinch](https://github.com/hellofinch))*  
 - [Nov. 21 2024] GUI now supports downloading dual-document *(by [@reycn](https://github.com/reycn))*  
 - [Nov. 20 2024] GUI now supports specifying Ollama and OpenAI models *(by [@IuvenisSapiens](https://github.com/IuvenisSapiens), [@Byaidu](https://github.com/Byaidu))*  
 - [Nov. 20 2024] 🌟 [Demo](#demo)  online! *(by [@reycn](https://github.com/reycn))*  
@@ -54,9 +55,12 @@ Feel free to provide feedback in [GitHub Issues](https://github.com/Byaidu/PDFMa
 <img src="./docs/images/preview.gif" width="80%"/>
 </div>
 
-<h2 id="demo">Demo 🌟</h2>
+<h2 id="demo">Public Service 🌟</h2>
 
-You can try [our demo on HuggingFace](https://huggingface.co/spaces/reycn/PDFMathTranslate-Docker) without installation.  
+### Free Service (https://pdf2zh.com/)
+You can try our [public service](https://pdf2zh.com/) online without installation.  
+### Hugging Face Demo
+You can try [our demo on HuggingFace](https://huggingface.co/spaces/reycn/PDFMathTranslate-Docker) without installation.   
 Note that the computing resources of the demo are limited, so please avoid abusing them.
 
 <h2 id="install">Installation and Usage</h2>

README_zh-CN.md

@@ -38,11 +38,12 @@
 <h2 id="updates">近期更新</h2>
 
 
+- [Nov. 23 2024] 🌟 [免费公共服务](#demo) 上线! *(by [@Byaidu](https://github.com/Byaidu))*  
 - [Nov. 23 2024] 非 PDF/A 文档也能正常翻译了 *(by [@reycn](https://github.com/reycn))*  
 - [Nov. 23 2024] 防止网页爬虫的防火墙 *(by [@Byaidu](https://github.com/Byaidu))*  
 - [Nov. 22 2024] 图形用户界面现已支持意大利语，并获得了一些更新 *(by [@Byaidu](https://github.com/Byaidu), [@reycn](https://github.com/reycn))*  
 - [Nov. 22 2024] 现在你可以将自己部署的服务分享给朋友了 *(by [@Zxis233](https://github.com/Zxis233))*  
-- [Nov. 22 2024] Now supportsTencent Translation *(by [@hellofinch](https://github.com/hellofinch))*  
+- [Nov. 22 2024] 支持腾讯翻译 *(by [@hellofinch](https://github.com/hellofinch))*  
 - [Nov. 21 2024] 图形用户界面现在支持下载双语文档 *(by [@reycn](https://github.com/reycn))*  
 - [Nov. 20 2024] 图形用户界面现在支持指定 Ollama 和 OpenAI 的模型 *(by [@IuvenisSapiens](https://github.com/IuvenisSapiens), [@Byaidu](https://github.com/Byaidu))*  
 - [Nov. 20 2024] 🌟 提供了 [在线演示](#demo)！ *(by [@reycn](https://github.com/reycn))*  
@@ -57,7 +58,12 @@
 
 <h2 id="demo">在线演示 🌟</h2>
 
-你可以立即尝试 [在 HuggingFace 上的在线演示](https://huggingface.co/spaces/reycn/PDFMathTranslate-Docker) 而无需安装.  
+
+### 免费服务 (https://pdf2zh.com/)
+你可以立即尝试 [免费公共服务](https://pdf2zh.com/) 而无需安装。
+
+### Hugging Face 在线演示
+你可以立即尝试 [在 HuggingFace 上的在线演示](https://huggingface.co/spaces/reycn/PDFMathTranslate-Docker) 而无需安装。
 请注意，演示的计算资源有限，因此请避免滥用。
 
 <h2 id="install">安装和使用</h2>