Fix demo link and enhance documentation section

Updated demo link and modified documentation reference.

Author: xerrors

README.md

@@ -8,7 +8,7 @@
 [![License](https://img.shields.io/github/license/bitcookies/winrar-keygen.svg?logo=github)](https://github.com/xerrors/Yuxi-Know/blob/main/LICENSE)
 [![DeepWiki](https://img.shields.io/badge/DeepWiki-blue.svg)](https://deepwiki.com/xerrors/Yuxi-Know)
 [![zread](https://img.shields.io/badge/Ask_Zread-_.svg?style=flat&color=00b0aa&labelColor=000000&logo=data%3Aimage%2Fsvg%2Bxml%3Bbase64%2CPHN2ZyB3aWR0aD0iMTYiIGhlaWdodD0iMTYiIHZpZXdCb3g9IjAgMCAxNiAxNiIgZmlsbD0ibm9uZSIgeG1sbnM9Imh0dHA6Ly93d3cudzMub3JnLzIwMDAvc3ZnIj4KPHBhdGggZD0iTTQuOTYxNTYgMS42MDAxSDIuMjQxNTZDMS44ODgxIDEuNjAwMSAxLjYwMTU2IDEuODg2NjQgMS42MDE1NiAyLjI0MDFWNC45NjAxQzEuNjAxNTYgNS4zMTM1NiAxLjg4ODEgNS42MDAxIDIuMjQxNTYgNS42MDAxSDQuOTYxNTZDNS4zMTUwMiA1LjYwMDEgNS42MDE1NiA1LjMxMzU2IDUuNjAxNTYgNC45NjAxVjIuMjQwMUM1LjYwMTU2IDEuODg2NjQgNS4zMTUwMiAxLjYwMDEgNC45NjE1NiAxLjYwMDFaIiBmaWxsPSIjZmZmIi8%2BCjxwYXRoIGQ9Ik00Ljk2MTU2IDEwLjM5OTlIMi4yNDE1NkMxLjg4ODEgMTAuMzk5OSAxLjYwMTU2IDEwLjY4NjQgMS42MDE1NiAxMS4wMzk5VjEzLjc1OTlDMS42MDE1NiAxNC4xMTM0IDEuODg4MSAxNC4zOTk5IDIuMjQxNTYgMTQuMzk5OUg0Ljk2MTU2QzUuMzE1MDIgMTQuMzk5OSA1LjYwMTU2IDE0LjExMzQgNS42MDE1NiAxMy43NTk5VjExLjAzOTlDNS42MDE1NiAxMC42ODY0IDUuMzE1MDIgMTAuMzk5OSA0Ljk2MTU2IDEwLjM5OTlaIiBmaWxsPSIjZmZmIi8%2BCjxwYXRoIGQ9Ik0xMy43NTg0IDEuNjAwMUgxMS4wMzg0QzEwLjY4NSAxLjYwMDEgMTAuMzk4NCAxLjg4NjY0IDEwLjM5ODQgMi4yNDAxVjQuOTYwMUMxMC4zOTg0IDUuMzEzNTYgMTAuNjg1IDUuNjAwMSAxMS4wMzg0IDUuNjAwMUgxMy43NTg0QzE0LjExMTkgNS42MDAxIDE0LjM5ODQgNS4zMTM1NiAxNC4zOTg0IDQuOTYwMVYyLjI0MDFDMTQuMzk4NCAxLjg4NjY0IDE0LjExMTkgMS42MDAxIDEzLjc1ODQgMS42MDAxWiIgZmlsbD0iI2ZmZiIvPgo8cGF0aCBkPSJNNCAxMkwxMiA0TDQgMTJaIiBmaWxsPSIjZmZmIi8%2BCjxwYXRoIGQ9Ik00IDEyTDEyIDQiIHN0cm9rZT0iI2ZmZiIgc3Ryb2tlLXdpZHRoPSIxLjUiIHN0cm9rZS1saW5lY2FwPSJyb3VuZCIvPgo8L3N2Zz4K&logoColor=ffffff)](https://zread.ai/xerrors/Yuxi-Know)
-[![demo](https://img.shields.io/badge/demo-00A1D6.svg?style=flat&logo=bilibili&logoColor=white)](https://www.bilibili.com/video/BV1ETedzREgY/?share_source=copy_web&vd_source=37b0bdbf95b72ea38b2dc959cfadc4d8)
+[![demo](https://img.shields.io/badge/demo-00A1D6.svg?style=flat&logo=bilibili&logoColor=white)](https://www.bilibili.com/video/BV1DF14BTETq/)
 ![](https://img.shields.io/github/stars/xerrors/Yuxi-Know)
 
 </div>
@@ -17,7 +17,7 @@
 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。
 
 > [!tip]
-> 🙏 **感谢 Star Star Star** ~ ⭐⭐⭐⭐⭐ 详细文档请查看全新的 [**📄文档中心**](https://xerrors.github.io/Yuxi-Know/)
+> 🙏 **感谢 Star Star Star** ~ ⭐⭐⭐⭐⭐ 详细文档请查看全新的 📄[**文档中心**](https://xerrors.github.io/Yuxi-Know/)，或者在 哔哩哔哩观看 📽️[**视频演示**](https://www.bilibili.com/video/BV1DF14BTETq/)
 
 
 **🎉 最新动态**