官网维护必须停服务器?三招教你零停机升级,官网维护无需停机?三招实现零停机升级攻略
Must the server be shut down for official website maintenance? Three tips to help you upgrade without downtime and maintain your official website without downtime? Three tricks to achieve zero-downtime upgrade strategies
以上为机器翻译结果，长、整句建议使用 人工翻译 。