diff --git a/.gitignore b/.gitignore
index 2206c6b..3772a65 100644
--- a/.gitignore
+++ b/.gitignore
@@ -51,3 +51,6 @@ Thumbs.db
 
 # 文档目录不上传
 doc/
+
+# ---- 用户上传文件（隐私文件，不要上传） ----
+backend/uploads/
\ No newline at end of file
diff --git a/README.md b/README.md
index 728646d..52b272d 100644
--- a/README.md
+++ b/README.md
@@ -62,11 +62,6 @@ AI-CS/
 │   │   ├── agent/        # 客服端功能
 │   │   └── visitor/      # 访客端功能
 │   └── lib/              # 工具库和配置
-├── doc/                  # 项目文档
-│   ├── CHANGELOG.md      # 更新日志
-│   ├── 测试指南.md       # 测试文档
-│   ├── 后端学习笔记.md   # 后端架构说明
-│   └── 前端学习笔记.md   # 前端架构说明
 └── README.md             # 本文件
 ```
 
@@ -81,7 +76,7 @@ AI-CS/
 ### 1. 克隆项目
 
 ```bash
-git clone <repository-url>
+git clone https://github.com/2930134478/AI-CS.git
 cd AI-CS
 ```
 
diff --git a/frontend/components/dashboard/NavigationSidebar.tsx b/frontend/components/dashboard/NavigationSidebar.tsx
index 7b53068..998ffa6 100644
--- a/frontend/components/dashboard/NavigationSidebar.tsx
+++ b/frontend/components/dashboard/NavigationSidebar.tsx
@@ -4,6 +4,7 @@ import { useState, useRef, useEffect } from "react";
 import { useAuth } from "@/features/agent/hooks/useAuth";
 import { getAvatarUrl, getAvatarColor, getAvatarInitial } from "@/utils/avatar";
 import { Button } from "@/components/ui/button";
+import { websiteConfig } from "@/lib/website-config";
 
 export type NavigationPage = "dashboard" | "faqs" | "users" | "settings";
 
@@ -185,8 +186,10 @@ export function NavigationSidebar({
         </svg>
       </button>
 
-      {/* 个人资料按钮（固定在底部） */}
-      <div className="mt-auto relative" ref={menuRef}>
+      {/* 个人资料按钮和 GitHub 按钮（固定在底部） */}
+      <div className="mt-auto flex flex-col items-center gap-2">
+        {/* 个人资料按钮 */}
+        <div className="relative" ref={menuRef}>
         <button
           className={`w-10 h-10 rounded-lg flex items-center justify-center transition-colors ${
             profileMenuOpen
@@ -296,6 +299,30 @@ export function NavigationSidebar({
             </div>
           </div>
         )}
+        </div>
+
+        {/* GitHub 链接按钮（个人资料下方） */}
+        <Button
+          variant="ghost"
+          size="sm"
+          asChild
+          className="w-10 h-10 rounded-lg bg-white border border-gray-200 hover:bg-gray-100 transition-colors p-0"
+          title="GitHub"
+        >
+          <a
+            href={websiteConfig.github.repo}
+            target="_blank"
+            rel="noopener noreferrer"
+          >
+            <svg
+              className="w-5 h-5 text-gray-600"
+              fill="currentColor"
+              viewBox="0 0 24 24"
+            >
+              <path d="M12 0c-6.626 0-12 5.373-12 12 0 5.302 3.438 9.8 8.207 11.387.599.111.793-.261.793-.577v-2.234c-3.338.726-4.033-1.416-4.033-1.416-.546-1.387-1.333-1.756-1.333-1.756-1.089-.745.083-.729.083-.729 1.205.084 1.839 1.237 1.839 1.237 1.07 1.834 2.807 1.304 3.492.997.107-.775.418-1.305.762-1.604-2.665-.305-5.467-1.334-5.467-5.931 0-1.311.469-2.381 1.236-3.221-.124-.303-.535-1.524.117-3.176 0 0 1.008-.322 3.301 1.23.957-.266 1.983-.399 3.003-.404 1.02.005 2.047.138 3.006.404 2.291-1.552 3.297-1.23 3.297-1.23.653 1.653.242 2.874.118 3.176.77.84 1.235 1.911 1.235 3.221 0 4.609-2.807 5.624-5.479 5.921.43.372.823 1.102.823 2.222v3.293c0 .319.192.694.801.576 4.765-1.589 8.199-6.086 8.199-11.386 0-6.627-5.373-12-12-12z" />
+            </svg>
+          </a>
+        </Button>
       </div>
     </div>
   );
diff --git a/frontend/components/layout/Footer.tsx b/frontend/components/layout/Footer.tsx
index eff2d96..b52a6ee 100644
--- a/frontend/components/layout/Footer.tsx
+++ b/frontend/components/layout/Footer.tsx
@@ -137,7 +137,7 @@ export function Footer() {
           <p>
             Powered by Next.js & Go | 
             <a
-              href="https://github.com/your-username/ai-cs"
+              href={websiteConfig.github.repo}
               target="_blank"
               rel="noopener noreferrer"
               className="ml-1 hover:text-foreground transition-colors"
diff --git a/frontend/components/visitor/ChatWidget.tsx b/frontend/components/visitor/ChatWidget.tsx
index e44b7e2..aaaa1ad 100644
--- a/frontend/components/visitor/ChatWidget.tsx
+++ b/frontend/components/visitor/ChatWidget.tsx
@@ -6,6 +6,7 @@ import { MessageInput } from "@/components/dashboard/MessageInput";
 import { OnlineAgentsList, type OnlineAgent } from "./OnlineAgentsList";
 import { Button } from "@/components/ui/button";
 import { Card } from "@/components/ui/card";
+import { websiteConfig } from "@/lib/website-config";
 import {
   ChatWebSocketPayload,
   MessageItem,
@@ -472,7 +473,7 @@ export function ChatWidget({ visitorId, isOpen, onToggle }: ChatWidgetProps) {
 
   return (
     <Card className="fixed bottom-20 right-4 sm:bottom-24 sm:right-6 w-[calc(100vw-2rem)] max-w-[400px] h-[500px] sm:w-[400px] sm:max-w-none sm:h-[600px] md:w-[480px] md:h-[700px] flex flex-col shadow-2xl z-40 border border-border/50 overflow-hidden rounded-2xl bg-background backdrop-blur-sm ring-1 ring-black/5">
-      {/* 头部：标题和关闭按钮 - 使用渐变背景 */}
+      {/* 头部：标题和操作按钮 - 使用渐变背景 */}
       <div className="bg-gradient-to-r from-primary to-primary/80 border-b border-primary/20 p-4 flex items-center justify-between rounded-t-2xl">
         <div className="flex items-center gap-2">
           <div className="w-8 h-8 rounded-lg bg-white/20 backdrop-blur-sm flex items-center justify-center">
@@ -492,26 +493,28 @@ export function ChatWidget({ visitorId, isOpen, onToggle }: ChatWidgetProps) {
           </div>
           <h2 className="text-lg font-bold text-white">客服聊天</h2>
         </div>
+        {/* GitHub 链接按钮（替换关闭按钮） */}
         <Button
           variant="ghost"
           size="sm"
-          onClick={onToggle}
+          asChild
           className="text-white hover:bg-white/20 h-8 w-8 p-0 rounded-lg transition-colors"
-          aria-label="关闭聊天"
+          aria-label="GitHub"
+          title="查看 GitHub 仓库"
         >
-          <svg
-            className="w-5 h-5"
-            fill="none"
-            stroke="currentColor"
-            viewBox="0 0 24 24"
+          <a
+            href={websiteConfig.github.repo}
+            target="_blank"
+            rel="noopener noreferrer"
           >
-            <path
-              strokeLinecap="round"
-              strokeLinejoin="round"
-              strokeWidth={2}
-              d="M6 18L18 6M6 6l12 12"
-            />
-          </svg>
+            <svg
+              className="w-5 h-5"
+              fill="currentColor"
+              viewBox="0 0 24 24"
+            >
+              <path d="M12 0c-6.626 0-12 5.373-12 12 0 5.302 3.438 9.8 8.207 11.387.599.111.793-.261.793-.577v-2.234c-3.338.726-4.033-1.416-4.033-1.416-.546-1.387-1.333-1.756-1.333-1.756-1.089-.745.083-.729.083-.729 1.205.084 1.839 1.237 1.839 1.237 1.07 1.834 2.807 1.304 3.492.997.107-.775.418-1.305.762-1.604-2.665-.305-5.467-1.334-5.467-5.931 0-1.311.469-2.381 1.236-3.221-.124-.303-.535-1.524.117-3.176 0 0 1.008-.322 3.301 1.23.957-.266 1.983-.399 3.003-.404 1.02.005 2.047.138 3.006.404 2.291-1.552 3.297-1.23 3.297-1.23.653 1.653.242 2.874.118 3.176.77.84 1.235 1.911 1.235 3.221 0 4.609-2.807 5.624-5.479 5.921.43.372.823 1.102.823 2.222v3.293c0 .319.192.694.801.576 4.765-1.589 8.199-6.086 8.199-11.386 0-6.627-5.373-12-12-12z" />
+            </svg>
+          </a>
         </Button>
       </div>
 
diff --git a/frontend/lib/website-config.ts b/frontend/lib/website-config.ts
index f8294be..2980da9 100644
--- a/frontend/lib/website-config.ts
+++ b/frontend/lib/website-config.ts
@@ -4,12 +4,12 @@
  */
 
 export const websiteConfig = {
-  // GitHub 仓库地址（请替换为您的实际仓库地址）
+  // GitHub 仓库地址
   github: {
-    repo: "https://github.com/your-username/ai-cs",
-    releases: "https://github.com/your-username/ai-cs/releases",
-    issues: "https://github.com/your-username/ai-cs/issues",
-    readme: "https://github.com/your-username/ai-cs/blob/main/README.md",
+    repo: "https://github.com/2930134478/AI-CS",
+    releases: "https://github.com/2930134478/AI-CS/releases",
+    issues: "https://github.com/2930134478/AI-CS/issues",
+    readme: "https://github.com/2930134478/AI-CS/blob/master/README.md",
   },
   
   // 联系方式