Update README.md

Author: xerrors

README.md

@@ -1,10 +1,6 @@
+# 语析 - 基于大模型的知识库与知识图谱问答系统</h1>
 
-<div align="center">
-  <img width="200" height="200" alt="ChatGPT Image 2025年9月10日 01_33_14" src="https://github.com/user-attachments/assets/e9ebe490-4036-4a8a-9d98-2a0e3bb3ff12" />
-</div>
-<h1 align="center">语析 - 基于大模型的知识库与知识图谱问答系统</h1>
-
-<div align="center">
+<div>
 
 [![Version](https://img.shields.io/badge/version-v0.2.2-blue.svg)](https://github.com/xerrors/Yuxi-Know/issues)
 [![](https://img.shields.io/badge/Docker-2496ED?style=flat&logo=docker&logoColor=ffffff)](https://github.com/xerrors/Yuxi-Know/blob/main/docker-compose.yml)
@@ -17,21 +13,33 @@
 </div>
 
 
-## 📖 简介
-
 语析是一个功能强大的智能问答平台，融合了 RAG 知识库与知识图谱技术，基于 LangGraph + Vue.js + FastAPI + LightRAG 架构构建。
 
-详细文档请查看文档中心：[https://xerrors.github.io/Yuxi-Know/](https://xerrors.github.io/Yuxi-Know/)
+详细文档请查看[文档中心](https://xerrors.github.io/Yuxi-Know/)， [📽️ 点击查看视频演示](https://www.bilibili.com/video/BV1ETedzREgY/?share_source=copy_web&vd_source=37b0bdbf95b72ea38b2dc959cfadc4d8)
+ 
+
+<div align="center">
+  <!-- 视频缩略图 -->
+  <img width="1918" height="1270" alt="image" src="https://github.com/user-attachments/assets/585d2041-e939-4c4f-b5ad-e164dc7d4c25" />
+  <br>
+  <img width="1918" height="1270" alt="image" src="https://github.com/user-attachments/assets/267d605d-0ced-4293-9a6d-7507521e97a6" />
+  <br>
+  <img width="1918" height="1270" alt="image" src="https://github.com/user-attachments/assets/8ddd7e0e-35f5-4c46-a4ce-87ef4bc340b5" />
+  <br>
+  <img width="1918" height="1270" alt="image" src="https://github.com/user-attachments/assets/be45b7eb-d63e-4c0e-a81d-df42264e2a58" />
+</div>
 
 
-## 🤝 参与贡献
+## 参与贡献
 
 感谢所有贡献者的支持！
 
 <a href="https://github.com/xerrors/Yuxi-Know/contributors">
     <img src="https://contributors.nn.ci/api?repo=xerrors/Yuxi-Know" alt="贡献者名单">
 </a>
-## 📊 Star History
+
+
+## Star History
 
 [![Star History Chart](https://api.star-history.com/svg?repos=xerrors/Yuxi-Know)](https://star-history.com/#xerrors/Yuxi-Know)