Anno 是一个微服务快速开发框架，底层通讯可以随意切换 grpc、thrift。自带服务发现、调用链追踪、Cron 调度、限流、事件总线、CQRS 、DDD、类似MVC的开发体验，插件化开发。. Anno is a microservices rapid development framework, the underlying communication can be arbitrary switch GRPC, thrift.Built-in service discovery, call chain tracking, Cron scheduling, current limiting, event bus, CQRS, DDD, similar MVC development experience, plug-in development.