proto下载后将proto.exe放入go的bin目录下: https://github.com/protocolbuffers/protobuf/releases/download/v23.3/protoc-23.3-win64.zip
go mod download google.golang.org/grpc
protoc --go_out=. --go_opt=paths=source_relative --go-grpc_out=. --go-grpc_opt=paths=source_relative protocol_plugin.proto