总结0402

1.mdc
https://www.liangzl.com/get-article-detail-572.html
https://shift-alt-ctrl.iteye.com/blog/2345272
2.transmittable-thread-local
https://github.com/alibaba/transmittable-thread-local
3.代码整洁之道
注释不能美化糟糕的代码
4.异常处理
https://blog.csdn.net/yongyuai/article/details/79752608