完善会话消息删除、Qwen 联网搜索/深度思考参数与 SSE 来源事件,同时增加请求体日志与 TS6 配置兼容调整,并新增 Ubuntu+PM2+Nginx 的部署文档与脚本以支持可回滚发布。 Made-with: Cursor
250 lines
5.3 KiB
Markdown
250 lines
5.3 KiB
Markdown
# ChatOne Service 单机部署指南(Ubuntu + PM2 + Nginx)
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本文给出 `chat-one-service` 在单机 Linux 环境的可执行部署流程,覆盖:
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- 服务器基线检查
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- 生产环境变量合同
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- 发布与回滚流程
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- Nginx 反向代理(含 SSE)
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- 监控、备份与巡检
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## 1. 适用范围
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- OS:Ubuntu 22.04 LTS
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- Runtime:Node.js 22.x
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- 进程管理:PM2
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- 反向代理:Nginx
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- 依赖:PostgreSQL、Redis(可为外部托管)
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## 2. 服务器基线检查(部署前)
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### 2.1 主机与网络
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- [ ] 已准备公网域名(示例:`api.example.com`)
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- [ ] `22/80/443` 已开放
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- [ ] 应用端口(默认 `3000`)仅允许本机访问
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- [ ] 时区与 NTP 已校准(`timedatectl status`)
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### 2.2 账号与权限
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- [ ] 创建专用用户:`chatone`
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- [ ] 禁止 root 直登,仅 SSH Key 登录
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- [ ] `chatone` 拥有 `/srv/chat-one-service` 读写权限
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### 2.3 依赖连通性
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- [ ] PostgreSQL 可连接(`DATABASE_URL` 可用)
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- [ ] Redis 可连接(`REDIS_HOST/PORT` 可用)
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- [ ] 第三方 AI API Key 已可用(如 `QWEN_API_KEY`)
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## 3. 目录约定
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```bash
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/srv/chat-one-service/
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releases/
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20260423_120000/
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current -> /srv/chat-one-service/releases/20260423_120000
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shared/
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.env
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logs/
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```
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初始化目录:
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```bash
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sudo mkdir -p /srv/chat-one-service/{releases,shared/logs}
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sudo chown -R chatone:chatone /srv/chat-one-service
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```
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## 4. 运行时安装
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```bash
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# Node.js 22(nvm 方式,推荐)
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curl -o- https://raw.githubusercontent.com/nvm-sh/nvm/v0.40.3/install.sh | bash
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source ~/.nvm/nvm.sh
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nvm install 22
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nvm use 22
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# Yarn + PM2
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npm i -g yarn pm2
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# Nginx + certbot
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sudo apt-get update
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sudo apt-get install -y nginx certbot python3-certbot-nginx postgresql-client redis-tools
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```
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## 5. 生产环境变量合同(shared/.env)
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在 `/srv/chat-one-service/shared/.env` 写入:
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```dotenv
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# app
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NODE_ENV=production
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PORT=3000
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APP_NAME=chat-one-service
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# jwt(至少 32 位随机串)
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JWT_ACCESS_SECRET=replace-with-long-random-string
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JWT_REFRESH_SECRET=replace-with-long-random-string
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JWT_ACCESS_EXPIRES_IN=2h
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JWT_REFRESH_EXPIRES_IN=30d
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# database
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DATABASE_URL=postgresql://user:password@host:5432/chat_one?schema=public
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# redis
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REDIS_HOST=127.0.0.1
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REDIS_PORT=6379
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REDIS_PASSWORD=
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REDIS_DB=0
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REDIS_KEY_PREFIX_CLIENT=chatone:client
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REDIS_KEY_PREFIX_ADMIN=chatone:admin
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# ai
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QWEN_API_KEY=
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QWEN_BASE_URL=https://dashscope.aliyuncs.com/compatible-mode/v1
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DEEPSEEK_API_KEY=
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VOLC_API_KEY=
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# ai route
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AI_ROUTE_RETRY_TIMES=1
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AI_ROUTE_TIMEOUT_MS=45000
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```
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安全要求:
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- `.env` 仅服务器本地保存,不入仓库。
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- 定期轮换密钥,变更后执行 `pm2 reload chat-one-service --update-env`。
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## 6. 首次部署流程
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以下命令以 `chatone` 用户执行:
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```bash
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set -e
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APP_ROOT=/srv/chat-one-service
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RELEASE="$APP_ROOT/releases/$(date +%Y%m%d_%H%M%S)"
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mkdir -p "$RELEASE"
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git clone <your-repo-url> "$RELEASE"
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cd "$RELEASE"
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yarn install --frozen-lockfile
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yarn build
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npx prisma migrate deploy
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ln -sfn "$RELEASE" "$APP_ROOT/current"
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```
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启动:
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```bash
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cd /srv/chat-one-service/current
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pm2 start ecosystem.config.js --env production
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pm2 save
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pm2 startup
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```
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## 7. 日常发布流程(零停机)
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```bash
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set -e
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APP_ROOT=/srv/chat-one-service
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RELEASE="$APP_ROOT/releases/$(date +%Y%m%d_%H%M%S)"
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mkdir -p "$RELEASE"
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git clone <your-repo-url> "$RELEASE"
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cd "$RELEASE"
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yarn install --frozen-lockfile
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yarn build
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npx prisma migrate deploy
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ln -sfn "$RELEASE" "$APP_ROOT/current"
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pm2 reload chat-one-service --update-env
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```
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发布后验证:
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```bash
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curl -fsS http://127.0.0.1:3000/api/docs >/dev/null
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curl -fsS https://api.example.com/api/docs >/dev/null
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```
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如需 SSE 冒烟测试,调用:
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- `POST /api/client/v1/chat/completions/stream`
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## 8. Nginx 配置(含 SSE)
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参考文件:`deploy/nginx/chat-one-service.conf`
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生效步骤:
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```bash
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sudo cp deploy/nginx/chat-one-service.conf /etc/nginx/sites-available/chat-one-service.conf
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sudo ln -sfn /etc/nginx/sites-available/chat-one-service.conf /etc/nginx/sites-enabled/chat-one-service.conf
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sudo nginx -t
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sudo systemctl reload nginx
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```
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申请 HTTPS:
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```bash
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sudo certbot --nginx -d api.example.com
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```
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## 9. 回滚策略
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### 9.1 代码回滚(快速)
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```bash
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APP_ROOT=/srv/chat-one-service
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ls -1dt "$APP_ROOT"/releases/* | sed -n '1,2p' # 找到上一个版本
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ln -sfn <previous-release-path> "$APP_ROOT/current"
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pm2 reload chat-one-service --update-env
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```
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### 9.2 数据回滚(高风险)
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- 仅在迁移引发严重问题时执行。
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- 使用最近一次全量备份恢复(建议维护停机窗口)。
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## 10. 备份与监控最小集
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### 10.1 PostgreSQL 备份
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每日定时(cron):
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```bash
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pg_dump "$DATABASE_URL" | gzip > /data/backup/chat_one_$(date +%F).sql.gz
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```
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建议:
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- 保留 7-14 天
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- 同步到对象存储(异地)
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### 10.2 应用观测
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- PM2:重启次数、内存、CPU
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- Nginx:`4xx/5xx` 比率、延迟
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- Redis:连接数与内存
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- 日志:按天滚动,至少保留 7 天
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## 11. 常用排障命令
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```bash
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pm2 ls
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pm2 logs chat-one-service --lines 200
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pm2 describe chat-one-service
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sudo systemctl status nginx
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sudo tail -n 200 /var/log/nginx/error.log
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curl -i http://127.0.0.1:3000/api/docs
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```
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## 12. 安全加固建议
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- 安全组白名单限制 SSH 来源
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- 开启 UFW,仅放行 `22/80/443`
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- 禁止将 `.env`、备份明文文件提交到 Git
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- 配置 fail2ban(可选)
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