https://blog.xyh.io/2019/07/29/%e4%bd%bf%e7%94%a8-swoole-%e5%ae%9e%e7%8e%b0%e8%bf%9b%e7%a8%8b%e7%9a%84%e5%ae%88%e6%8a%a4%ef%bc%88%e4%b8%80%ef%bc%89/
https://blog.xyh.io/2019/08/11/%e4%bd%bf%e7%94%a8-swoole-%e5%ae%9e%e7%8e%b0%e8%bf%9b%e7%a8%8b%e7%9a%84%e5%ae%88%e6%8a%a4%ef%bc%88%e4%ba%8c%ef%bc%89/