> For the complete documentation index, see [llms.txt](https://o2oa.gitbook.io/course/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://o2oa.gitbook.io/course/chang-jian-cuo-wu/o2oa-ping-tai-yi-chang.md).

# O2OA平台异常

- [阿里云ECS服务器的端口启用](https://o2oa.gitbook.io/course/chang-jian-cuo-wu/o2oa-ping-tai-yi-chang/e-li-yun-ecs-fu-wu-qi-de-duan-kou-qi-yong.md): O2OA成功启动后，有可能无法正常访问服务器，需要在ECS进行安全策略配置，开放端口：80、20020、20030
- [IOS移动办公无法收到验证码](https://o2oa.gitbook.io/course/chang-jian-cuo-wu/o2oa-ping-tai-yi-chang/ios-yi-dong-ban-gong-wu-fa-shou-dao-yan-zheng-ma.md): iphone7 with IOS10.2.1无法收到服务器绑定的验证码。
- [集群配置](https://o2oa.gitbook.io/course/chang-jian-cuo-wu/o2oa-ping-tai-yi-chang/ji-qun-pei-zhi.md)