Spring Cloud: Spring Cloud Hoxton.SR9
Spring Cloud Alibaba: 2.2.6.RELEASE
SpringBoot: 2.3.2.RELEASE
Nacos: 1.4.x
Sentinel: 1.8.0
SpringCloud，SpringCloud Alibaba，SpringBoot 版本依赖关系：https://github.com/alibaba/spring-cloud-alibaba/wiki/%E7%89%88%E6%9C%AC%E8%AF%B4%E6%98%8E