参考连接：
https://zhuanlan.zhihu.com/p/211332577
https://mp.weixin.qq.com/s/ypy4qwHDrHtewcfQQ_h4rg
https://archive.apache.org/dist/rocketmq/4.8.0/
https://zhuanlan.zhihu.com/p/61141452
