diff --git a/.gitea/workflows/deploy-desk-demo.yaml b/.gitea/workflows/deploy-desk-demo.yaml
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+# ════════════════════════════════════════════════════════
+# 部署大桌子小桌子演示页面 /desk/
+# ────────────────────────────────────────────────────────
+# 触发：手动 dispatch 或 push 到 main
+# 作用：配置 Nginx /desk/ location + 部署静态文件
+# ════════════════════════════════════════════════════════
+name: 部署 Desk Demo
+
+on:
+  workflow_dispatch:
+  push:
+    branches: [main]
+    paths:
+      - 'desk-demo/**'
+      - '.gitea/workflows/deploy-desk-demo.yaml'
+
+jobs:
+  deploy-desk:
+    runs-on: ubuntu
+    steps:
+      - name: 同步最新代码
+        run: |
+          cd /data/guanghulab/repo
+          git fetch origin
+          git reset --hard origin/main
+          echo "✅ 代码已同步到最新"
+
+      - name: 部署 desk-demo 静态文件
+        run: |
+          echo "═══ 部署 desk-demo 静态文件 ═══"
+          DESK_DIR="/var/www/guanghulab/desk"
+          mkdir -p "$DESK_DIR"
+          cp /data/guanghulab/repo/desk-demo/index.html "$DESK_DIR/index.html"
+          chown -R www-data:www-data "$DESK_DIR" 2>/dev/null || true
+          chmod 755 "$DESK_DIR"
+          chmod 644 "$DESK_DIR/index.html"
+          echo "✅ desk-demo 文件已部署到 $DESK_DIR"
+          ls -la "$DESK_DIR"
+
+      - name: 配置 Nginx /desk/ location
+        run: |
+          echo "═══ 配置 Nginx /desk/ location ═══"
+          
+          NGINX_CONF="/etc/nginx/sites-available/guanghulab-cvm"
+          
+          # 检查 /desk/ location 是否已存在
+          if grep -q "location /desk/" "$NGINX_CONF" 2>/dev/null; then
+            echo "⚠️  /desk/ location 已存在，跳过添加"
+          else
+            echo "📝 添加 /desk/ location 到 Nginx 配置..."
+            
+            # 在 Forgejo location / 之前插入 /desk/ location
+            # 找到 "location / {" 这一行，在它前面插入 desk location
+            sed -i '/# ─── Forgejo 代码仓库 (\/)/i\
+    # ─── Desk Demo 大桌子小桌子 (\/desk\/) ───\
+    location /desk/ {\
+        alias /var/www/guanghulab/desk/;\
+        index index.html;\
+        try_files $uri $uri/ /desk/index.html;\
+    }\
+' "$NGINX_CONF"
+            
+            echo "✅ /desk/ location 已添加"
+          fi
+          
+          echo "═══ 当前 Nginx 配置中 /desk/ 相关内容 ═══"
+          grep -A5 "desk" "$NGINX_CONF" || echo "(未找到 desk 相关内容)"
+
+      - name: 测试并重载 Nginx
+        run: |
+          echo "═══ 测试 Nginx 配置 ═══"
+          if nginx -t; then
+            echo "✅ Nginx 配置测试通过"
+            echo "═══ 重载 Nginx ═══"
+            systemctl reload nginx
+            echo "✅ Nginx 已重载"
+          else
+            echo "❌ Nginx 配置测试失败"
+            exit 1
+          fi
+
+      - name: 验证部署
+        run: |
+          sleep 2
+          echo "═══ 验证 /desk/ 部署 ═══"
+          
+          HTTP_CODE=$(curl -s -o /dev/null -w "%{http_code}" http://127.0.0.1/desk/)
+          echo "HTTP 状态码: $HTTP_CODE"
+          
+          if [ "$HTTP_CODE" = "200" ]; then
+            TITLE=$(curl -s http://127.0.0.1/desk/ | grep -o '<title>[^<]*</title>' | head -1)
+            echo "页面标题: $TITLE"
+            
+            if echo "$TITLE" | grep -q "大桌子小桌子"; then
+              echo "✅ Desk Demo 部署成功！页面标题正确"
+            else
+              echo "⚠️  页面标题不匹配，可能仍指向首页"
+            fi
+          else
+            echo "❌ /desk/ 返回非200状态码"
+            exit 1
+          fi
+          
+          echo "═══ 部署完成 ✅ $(date '+%Y-%m-%d %H:%M:%S') ═══"