diff --git a/README.md b/README.md
index d814179..4d02286 100644
--- a/README.md
+++ b/README.md
@@ -56,12 +56,25 @@ cp .env.example .env
 
 ### 2. 启动服务
 
-**后端**（systemd 托管，开机自启）：
+**后端**（systemd 服务，开机自启）：
+
+安装依赖并部署 service 文件：
 
 ```bash
-systemctl start backup-backend
+cd /root/system-backu/backend
+python3 -m venv venv
+source venv/bin/activate
+pip install -r requirements.txt
+
+# 部署 systemd 服务
+cp deploy/backup-backend.service /etc/systemd/system/
+systemctl daemon-reload
 systemctl enable backup-backend
-journalctl -u backup-backend -f    # 查看日志
+systemctl start backup-backend
+
+# 查看状态和日志
+systemctl status backup-backend
+journalctl -u backup-backend -f
 ```
 
 **前端**（Docker 容器）：
@@ -92,6 +105,8 @@ docker compose up -d frontend
 .
 ├── docker-compose.yml      # 仅前端容器
 ├── .env.example            # 环境变量模板
+├── deploy/
+│   └── backup-backend.service  # systemd 服务文件
 ├── backend/
 │   ├── app/                # FastAPI 应用代码
 │   │   ├── api/            # API 端点
diff --git a/deploy/backup-backend.service b/deploy/backup-backend.service
new file mode 100644
index 0000000..6b2a9db
--- /dev/null
+++ b/deploy/backup-backend.service
@@ -0,0 +1,18 @@
+[Unit]
+Description=System Backup Backend (FastAPI)
+After=network.target
+
+[Service]
+Type=simple
+User=root
+WorkingDirectory=/root/system-backu/backend
+EnvironmentFile=/root/system-backu/.env
+ExecStartPre=/root/system-backu/backend/venv/bin/alembic upgrade head
+ExecStart=/root/system-backu/backend/venv/bin/uvicorn app.main:app --host 0.0.0.0 --port 8765
+Restart=always
+RestartSec=5
+StandardOutput=journal
+StandardError=journal
+
+[Install]
+WantedBy=multi-user.target