diff --git a/app/docs/CommunityShare/index.mdx b/app/docs/CommunityShare/index.mdx
index 6464b09..b21a0a2 100644
--- a/app/docs/CommunityShare/index.mdx
+++ b/app/docs/CommunityShare/index.mdx
@@ -9,13 +9,23 @@ date: "2025-09-18"
 
 > 转载文章请先联系原作者获取授权，谢谢！
 
+## 技术分享
+
+- [常用Markdown语法](/docs/CommunityShare/Geek/CommonUsedMarkdown)
+
+- [Git入门操作指南-程序员必会的git小技巧](/docs/CommunityShare/Geek/git101)
+
+- [用闲置树莓派搭建一个Minecraft服务器](/docs/CommunityShare/Geek/raspberry-guide)
+
+- [常用Katex语法](/docs/CommunityShare/Geek/Katex/index)
+
 ## 心理健康
 
 - [程序员 Burnout 自救指南](/docs/CommunityShare/MentalHealth/burnout-guide) - 识别和应对职业倦怠
 
-## 技术分享
+## RAG
 
-- [用闲置树莓派搭建一个Minecraft服务器](/docs/CommunityShare/Geek/raspberry-guide)
+- [RAG toy demo](/docs/CommunityShare/RAG/rag)
 
 ## 身体健康