Tao 是一个轻量级的 TCP 异步框架，使用 Go 语言实现。Tao提供了一种用框架支撑业务逻辑的机制。你只需要与客户端定义好消息格式，然后将对应的业务逻辑编写成函数注册到框架中就可以了。(Tao is a lightweight TCP asynchronous framework implemented in the Go language. Tao provides a mechanism for supporting business logic with a framework. You only need to define the good message format with the client, and then write the corresponding business logic as a function to register in the framework.)