创建一个新微服务
$ micro new test-service
下载 protobuf 包编译
$ cd protobuf
$ ./configure
$ make && make install
返回到微服务目录
$ cd test-service
$ go get -u github.com/golang/protobuf/proto
$ go get -u github.com/golang/protobuf/protoc-gen-go
$ go get github.com/micro/micro/v3/cmd/protoc-gen-micro
$ make proto