[Unit] Description=尿检识别系统 Backend After=network.target [Service] Type=simple User=ubuntu WorkingDirectory=/home/ubuntu/nanocode/urinecheck/backend ExecStart=/usr/bin/python3 -m uvicorn app:app --host 0.0.0.0 --port 8904 Restart=always Environment=PYTHONUNBUFFERED=1 [Install] WantedBy=multi-user.target