docs: add Hiro Smart Doc demo link

README.md

@@ -23,6 +23,8 @@ metrics:
 
 English | [简体中文](README_zh.md)
 
+[![Hugging Face Spaces](https://img.shields.io/badge/🤗%20Spaces-Hiro--SmartDoc-yellow.svg)](https://huggingface.co/spaces/PatSnap/Hiro-SmartDoc)
+
 Hiro-Layout is a document layout analysis model for patent and technical PDF pages. It detects and classifies page regions such as text, titles, headers, footers, tables, formulas, chemical structures, figures, captions, search reports, bibliographies, and other patent-specific layout elements.
 
 ## Highlights
@@ -144,6 +146,12 @@ Metrics are reported as Precision, Recall, and F1.
 | 25 | complex | ref | reference | 参考文献 | 132 | 0.8148 | 0.3333 | 0.4731 |
 | ALL |  |  |  |  | 17,769 | 0.7090 | 0.6983 | 0.7036 |
 
+## Online Demo
+
+Hiro-Layout is used by Hiro-Smart-Doc for full document layout analysis and OCR. You can try the hosted demo on Hugging Face Spaces:
+
+[PatSnap/Hiro-SmartDoc](https://huggingface.co/spaces/PatSnap/Hiro-SmartDoc)
+
 ## Usage
 
 The current model artifact is an ONNX export:

README_zh.md

@@ -23,6 +23,8 @@ metrics:
 
 [English](README.md) | 简体中文
 
+[![Hugging Face Spaces](https://img.shields.io/badge/🤗%20Spaces-Hiro--SmartDoc-yellow.svg)](https://huggingface.co/spaces/PatSnap/Hiro-SmartDoc)
+
 Hiro-Layout 是一个面向专利和技术 PDF 页面图像的文档版面分析模型，用于检测并分类页面区域，包括正文、标题、页眉、页脚、表格、公式、化学式、图片、图注、搜索报告、著录页、参考文献等专利场景常见版面元素。
 
 ## 亮点
@@ -144,6 +146,12 @@ Hiro-Layout 是一个面向专利和技术 PDF 页面图像的文档版面分析
 | 25 | complex | ref | reference | 参考文献 | 132 | 0.8148 | 0.3333 | 0.4731 |
 | ALL |  |  |  |  | 17,769 | 0.7090 | 0.6983 | 0.7036 |
 
+## 在线演示
+
+Hiro-Layout 已集成到 Hiro-Smart-Doc 中，用于完整文档版面分析与 OCR。可以在 Hugging Face Spaces 上直接体验在线演示：
+
+[PatSnap/Hiro-SmartDoc](https://huggingface.co/spaces/PatSnap/Hiro-SmartDoc)
+
 ## 使用方式
 
 当前模型文件是 ONNX 导出：