https://www.cnblogs.com/toov5/p/9899489.html
https://my.oschina.net/u/3049601/blog/1809782
https://blog.csdn.net/u013278314/article/details/85112314(tcc-transaction（Dubbo版）)
https://www.jianshu.com/p/5870515e4cf6
https://www.jianshu.com/p/925aa4498cbc
https://www.cnblogs.com/LOVE0612/p/9714163.html 代码 Curator
