diff --git a/brain.go b/brain.go
new file mode 100644
index 0000000..70f3a6e
--- /dev/null
+++ b/brain.go
@@ -0,0 +1,15 @@
+package brain
+
+import (
+	context "context"
+
+	"github.com/474420502/brain/pb"
+)
+
+// UnimplementedBrainServiceServer can be embedded to have forward compatible implementations.
+type BrainService struct {
+}
+
+func (*BrainService) Add(context.Context, *pb.Request) (*pb.Response, error) {
+	return &pb.Response{Code: 200}, nil
+}
diff --git a/go.mod b/go.mod
new file mode 100644
index 0000000..950e760
--- /dev/null
+++ b/go.mod
@@ -0,0 +1,13 @@
+module github.com/474420502/brain
+
+go 1.20
+
+require (
+	github.com/golang/protobuf v1.5.3 // indirect
+	golang.org/x/net v0.9.0 // indirect
+	golang.org/x/sys v0.7.0 // indirect
+	golang.org/x/text v0.9.0 // indirect
+	google.golang.org/genproto v0.0.0-20230410155749-daa745c078e1 // indirect
+	google.golang.org/grpc v1.56.1 // indirect
+	google.golang.org/protobuf v1.31.0 // indirect
+)
diff --git a/go.sum b/go.sum
new file mode 100644
index 0000000..59b7cd4
--- /dev/null
+++ b/go.sum
@@ -0,0 +1,21 @@
+github.com/golang/protobuf v1.5.0/go.mod h1:FsONVRAS9T7sI+LIUmWTfcYkHO4aIWwzhcaSAoJOfIk=
+github.com/golang/protobuf v1.5.3 h1:KhyjKVUg7Usr/dYsdSqoFveMYd5ko72D+zANwlG1mmg=
+github.com/golang/protobuf v1.5.3/go.mod h1:XVQd3VNwM+JqD3oG2Ue2ip4fOMUkwXdXDdiuN0vRsmY=
+github.com/google/go-cmp v0.5.5/go.mod h1:v8dTdLbMG2kIc/vJvl+f65V22dbkXbowE6jgT/gNBxE=
+golang.org/x/net v0.9.0 h1:aWJ/m6xSmxWBx+V0XRHTlrYrPG56jKsLdTFmsSsCzOM=
+golang.org/x/net v0.9.0/go.mod h1:d48xBJpPfHeWQsugry2m+kC02ZBRGRgulfHnEXEuWns=
+golang.org/x/sys v0.7.0 h1:3jlCCIQZPdOYu1h8BkNvLz8Kgwtae2cagcG/VamtZRU=
+golang.org/x/sys v0.7.0/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
+golang.org/x/text v0.9.0 h1:2sjJmO8cDvYveuX97RDLsxlyUxLl+GHoLxBiRdHllBE=
+golang.org/x/text v0.9.0/go.mod h1:e1OnstbJyHTd6l/uOt8jFFHp6TRDWZR/bV3emEE/zU8=
+golang.org/x/xerrors v0.0.0-20191204190536-9bdfabe68543/go.mod h1:I/5z698sn9Ka8TeJc9MKroUUfqBBauWjQqLJ2OPfmY0=
+google.golang.org/genproto v0.0.0-20230410155749-daa745c078e1 h1:KpwkzHKEF7B9Zxg18WzOa7djJ+Ha5DzthMyZYQfEn2A=
+google.golang.org/genproto v0.0.0-20230410155749-daa745c078e1/go.mod h1:nKE/iIaLqn2bQwXBg8f1g2Ylh6r5MN5CmZvuzZCgsCU=
+google.golang.org/grpc v1.56.1 h1:z0dNfjIl0VpaZ9iSVjA6daGatAYwPGstTjt5vkRMFkQ=
+google.golang.org/grpc v1.56.1/go.mod h1:I9bI3vqKfayGqPUAwGdOSu7kt6oIJLixfffKrpXqQ9s=
+google.golang.org/protobuf v1.26.0-rc.1/go.mod h1:jlhhOSvTdKEhbULTjvd4ARK9grFBp09yW+WbY/TyQbw=
+google.golang.org/protobuf v1.26.0/go.mod h1:9q0QmTI4eRPtz6boOQmLYwt+qCgq0jsYwAQnmE0givc=
+google.golang.org/protobuf v1.30.0 h1:kPPoIgf3TsEvrm0PFe15JQ+570QVxYzEvvHqChK+cng=
+google.golang.org/protobuf v1.30.0/go.mod h1:HV8QOd/L58Z+nl8r43ehVNZIU/HEI6OcFqwMG9pJV4I=
+google.golang.org/protobuf v1.31.0 h1:g0LDEJHgrBl9N9r17Ru3sqWhkIx2NB67okBHPwC7hs8=
+google.golang.org/protobuf v1.31.0/go.mod h1:HV8QOd/L58Z+nl8r43ehVNZIU/HEI6OcFqwMG9pJV4I=
diff --git a/main_test.go b/main_test.go
new file mode 100644
index 0000000..c9dfb1d
--- /dev/null
+++ b/main_test.go
@@ -0,0 +1,59 @@
+package brain
+
+import (
+	"context"
+	"log"
+	"net"
+	"testing"
+	"time"
+
+	"github.com/474420502/brain/pb"
+	"google.golang.org/grpc"
+	"google.golang.org/grpc/test/bufconn"
+)
+
+var lis *bufconn.Listener
+
+func init() {
+	lis = bufconn.Listen(1024 * 1024)
+	// lis, err := net.Listen("tcp", ":8090")
+
+	s := grpc.NewServer(
+		grpc.MaxConcurrentStreams(100000),
+		grpc.MaxRecvMsgSize(10*1024*1024),
+	)
+
+	pb.RegisterBrainServiceServer(s, &BrainService{})
+
+	go func() {
+		if err := s.Serve(lis); err != nil {
+			log.Fatal(err)
+		}
+	}()
+}
+
+func bufDialer(ctx context.Context, address string) (net.Conn, error) {
+	return lis.Dial()
+}
+
+// go:generator protoc --go_out=plugins=grpc:./ ./protos/brain.proto
+func TestCase(t *testing.T) {
+
+	time.Sleep(time.Second)
+
+	conn, err := grpc.DialContext(context.TODO(), lis.Addr().String(), grpc.WithContextDialer(bufDialer), grpc.WithInsecure())
+	if err != nil {
+		panic(err)
+	}
+
+	// 创建客户端
+	client := pb.NewBrainServiceClient(conn)
+
+	// 调用服务
+	resp, err := client.Add(context.TODO(), &pb.Request{})
+	if err != nil {
+		panic(err)
+	}
+
+	log.Println(resp)
+}
diff --git a/pb/brain.pb.go b/pb/brain.pb.go
new file mode 100644
index 0000000..ad8abbd
--- /dev/null
+++ b/pb/brain.pb.go
@@ -0,0 +1,315 @@
+// Code generated by protoc-gen-go. DO NOT EDIT.
+// versions:
+// 	protoc-gen-go v1.26.0
+// 	protoc        v3.6.1
+// source: protos/brain.proto
+
+package pb
+
+import (
+	context "context"
+	grpc "google.golang.org/grpc"
+	codes "google.golang.org/grpc/codes"
+	status "google.golang.org/grpc/status"
+	protoreflect "google.golang.org/protobuf/reflect/protoreflect"
+	protoimpl "google.golang.org/protobuf/runtime/protoimpl"
+	reflect "reflect"
+	sync "sync"
+)
+
+const (
+	// Verify that this generated code is sufficiently up-to-date.
+	_ = protoimpl.EnforceVersion(20 - protoimpl.MinVersion)
+	// Verify that runtime/protoimpl is sufficiently up-to-date.
+	_ = protoimpl.EnforceVersion(protoimpl.MaxVersion - 20)
+)
+
+// Message defines the request/response structure.
+type Request struct {
+	state         protoimpl.MessageState
+	sizeCache     protoimpl.SizeCache
+	unknownFields protoimpl.UnknownFields
+
+	Case int32  `protobuf:"varint,1,opt,name=Case,proto3" json:"Case,omitempty"`
+	Data string `protobuf:"bytes,2,opt,name=Data,proto3" json:"Data,omitempty"`
+}
+
+func (x *Request) Reset() {
+	*x = Request{}
+	if protoimpl.UnsafeEnabled {
+		mi := &file_protos_brain_proto_msgTypes[0]
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		ms.StoreMessageInfo(mi)
+	}
+}
+
+func (x *Request) String() string {
+	return protoimpl.X.MessageStringOf(x)
+}
+
+func (*Request) ProtoMessage() {}
+
+func (x *Request) ProtoReflect() protoreflect.Message {
+	mi := &file_protos_brain_proto_msgTypes[0]
+	if protoimpl.UnsafeEnabled && x != nil {
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		if ms.LoadMessageInfo() == nil {
+			ms.StoreMessageInfo(mi)
+		}
+		return ms
+	}
+	return mi.MessageOf(x)
+}
+
+// Deprecated: Use Request.ProtoReflect.Descriptor instead.
+func (*Request) Descriptor() ([]byte, []int) {
+	return file_protos_brain_proto_rawDescGZIP(), []int{0}
+}
+
+func (x *Request) GetCase() int32 {
+	if x != nil {
+		return x.Case
+	}
+	return 0
+}
+
+func (x *Request) GetData() string {
+	if x != nil {
+		return x.Data
+	}
+	return ""
+}
+
+// Message defines the request/response structure.
+type Response struct {
+	state         protoimpl.MessageState
+	sizeCache     protoimpl.SizeCache
+	unknownFields protoimpl.UnknownFields
+
+	Code int32  `protobuf:"varint,1,opt,name=Code,proto3" json:"Code,omitempty"`
+	Data string `protobuf:"bytes,2,opt,name=Data,proto3" json:"Data,omitempty"`
+}
+
+func (x *Response) Reset() {
+	*x = Response{}
+	if protoimpl.UnsafeEnabled {
+		mi := &file_protos_brain_proto_msgTypes[1]
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		ms.StoreMessageInfo(mi)
+	}
+}
+
+func (x *Response) String() string {
+	return protoimpl.X.MessageStringOf(x)
+}
+
+func (*Response) ProtoMessage() {}
+
+func (x *Response) ProtoReflect() protoreflect.Message {
+	mi := &file_protos_brain_proto_msgTypes[1]
+	if protoimpl.UnsafeEnabled && x != nil {
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		if ms.LoadMessageInfo() == nil {
+			ms.StoreMessageInfo(mi)
+		}
+		return ms
+	}
+	return mi.MessageOf(x)
+}
+
+// Deprecated: Use Response.ProtoReflect.Descriptor instead.
+func (*Response) Descriptor() ([]byte, []int) {
+	return file_protos_brain_proto_rawDescGZIP(), []int{1}
+}
+
+func (x *Response) GetCode() int32 {
+	if x != nil {
+		return x.Code
+	}
+	return 0
+}
+
+func (x *Response) GetData() string {
+	if x != nil {
+		return x.Data
+	}
+	return ""
+}
+
+var File_protos_brain_proto protoreflect.FileDescriptor
+
+var file_protos_brain_proto_rawDesc = []byte{
+	0x0a, 0x12, 0x70, 0x72, 0x6f, 0x74, 0x6f, 0x73, 0x2f, 0x62, 0x72, 0x61, 0x69, 0x6e, 0x2e, 0x70,
+	0x72, 0x6f, 0x74, 0x6f, 0x12, 0x02, 0x70, 0x62, 0x22, 0x31, 0x0a, 0x07, 0x52, 0x65, 0x71, 0x75,
+	0x65, 0x73, 0x74, 0x12, 0x12, 0x0a, 0x04, 0x43, 0x61, 0x73, 0x65, 0x18, 0x01, 0x20, 0x01, 0x28,
+	0x05, 0x52, 0x04, 0x43, 0x61, 0x73, 0x65, 0x12, 0x12, 0x0a, 0x04, 0x44, 0x61, 0x74, 0x61, 0x18,
+	0x02, 0x20, 0x01, 0x28, 0x09, 0x52, 0x04, 0x44, 0x61, 0x74, 0x61, 0x22, 0x32, 0x0a, 0x08, 0x52,
+	0x65, 0x73, 0x70, 0x6f, 0x6e, 0x73, 0x65, 0x12, 0x12, 0x0a, 0x04, 0x43, 0x6f, 0x64, 0x65, 0x18,
+	0x01, 0x20, 0x01, 0x28, 0x05, 0x52, 0x04, 0x43, 0x6f, 0x64, 0x65, 0x12, 0x12, 0x0a, 0x04, 0x44,
+	0x61, 0x74, 0x61, 0x18, 0x02, 0x20, 0x01, 0x28, 0x09, 0x52, 0x04, 0x44, 0x61, 0x74, 0x61, 0x32,
+	0x30, 0x0a, 0x0c, 0x42, 0x72, 0x61, 0x69, 0x6e, 0x53, 0x65, 0x72, 0x76, 0x69, 0x63, 0x65, 0x12,
+	0x20, 0x0a, 0x03, 0x41, 0x64, 0x64, 0x12, 0x0b, 0x2e, 0x70, 0x62, 0x2e, 0x52, 0x65, 0x71, 0x75,
+	0x65, 0x73, 0x74, 0x1a, 0x0c, 0x2e, 0x70, 0x62, 0x2e, 0x52, 0x65, 0x73, 0x70, 0x6f, 0x6e, 0x73,
+	0x65, 0x42, 0x09, 0x48, 0x01, 0x5a, 0x05, 0x2e, 0x2f, 0x3b, 0x70, 0x62, 0x62, 0x06, 0x70, 0x72,
+	0x6f, 0x74, 0x6f, 0x33,
+}
+
+var (
+	file_protos_brain_proto_rawDescOnce sync.Once
+	file_protos_brain_proto_rawDescData = file_protos_brain_proto_rawDesc
+)
+
+func file_protos_brain_proto_rawDescGZIP() []byte {
+	file_protos_brain_proto_rawDescOnce.Do(func() {
+		file_protos_brain_proto_rawDescData = protoimpl.X.CompressGZIP(file_protos_brain_proto_rawDescData)
+	})
+	return file_protos_brain_proto_rawDescData
+}
+
+var file_protos_brain_proto_msgTypes = make([]protoimpl.MessageInfo, 2)
+var file_protos_brain_proto_goTypes = []interface{}{
+	(*Request)(nil),  // 0: pb.Request
+	(*Response)(nil), // 1: pb.Response
+}
+var file_protos_brain_proto_depIdxs = []int32{
+	0, // 0: pb.BrainService.Add:input_type -> pb.Request
+	1, // 1: pb.BrainService.Add:output_type -> pb.Response
+	1, // [1:2] is the sub-list for method output_type
+	0, // [0:1] is the sub-list for method input_type
+	0, // [0:0] is the sub-list for extension type_name
+	0, // [0:0] is the sub-list for extension extendee
+	0, // [0:0] is the sub-list for field type_name
+}
+
+func init() { file_protos_brain_proto_init() }
+func file_protos_brain_proto_init() {
+	if File_protos_brain_proto != nil {
+		return
+	}
+	if !protoimpl.UnsafeEnabled {
+		file_protos_brain_proto_msgTypes[0].Exporter = func(v interface{}, i int) interface{} {
+			switch v := v.(*Request); i {
+			case 0:
+				return &v.state
+			case 1:
+				return &v.sizeCache
+			case 2:
+				return &v.unknownFields
+			default:
+				return nil
+			}
+		}
+		file_protos_brain_proto_msgTypes[1].Exporter = func(v interface{}, i int) interface{} {
+			switch v := v.(*Response); i {
+			case 0:
+				return &v.state
+			case 1:
+				return &v.sizeCache
+			case 2:
+				return &v.unknownFields
+			default:
+				return nil
+			}
+		}
+	}
+	type x struct{}
+	out := protoimpl.TypeBuilder{
+		File: protoimpl.DescBuilder{
+			GoPackagePath: reflect.TypeOf(x{}).PkgPath(),
+			RawDescriptor: file_protos_brain_proto_rawDesc,
+			NumEnums:      0,
+			NumMessages:   2,
+			NumExtensions: 0,
+			NumServices:   1,
+		},
+		GoTypes:           file_protos_brain_proto_goTypes,
+		DependencyIndexes: file_protos_brain_proto_depIdxs,
+		MessageInfos:      file_protos_brain_proto_msgTypes,
+	}.Build()
+	File_protos_brain_proto = out.File
+	file_protos_brain_proto_rawDesc = nil
+	file_protos_brain_proto_goTypes = nil
+	file_protos_brain_proto_depIdxs = nil
+}
+
+// Reference imports to suppress errors if they are not otherwise used.
+var _ context.Context
+var _ grpc.ClientConnInterface
+
+// This is a compile-time assertion to ensure that this generated file
+// is compatible with the grpc package it is being compiled against.
+const _ = grpc.SupportPackageIsVersion6
+
+// BrainServiceClient is the client API for BrainService service.
+//
+// For semantics around ctx use and closing/ending streaming RPCs, please refer to https://godoc.org/google.golang.org/grpc#ClientConn.NewStream.
+type BrainServiceClient interface {
+	// SayHello returns a greeting for the given name.
+	Add(ctx context.Context, in *Request, opts ...grpc.CallOption) (*Response, error)
+}
+
+type brainServiceClient struct {
+	cc grpc.ClientConnInterface
+}
+
+func NewBrainServiceClient(cc grpc.ClientConnInterface) BrainServiceClient {
+	return &brainServiceClient{cc}
+}
+
+func (c *brainServiceClient) Add(ctx context.Context, in *Request, opts ...grpc.CallOption) (*Response, error) {
+	out := new(Response)
+	err := c.cc.Invoke(ctx, "/pb.BrainService/Add", in, out, opts...)
+	if err != nil {
+		return nil, err
+	}
+	return out, nil
+}
+
+// BrainServiceServer is the server API for BrainService service.
+type BrainServiceServer interface {
+	// SayHello returns a greeting for the given name.
+	Add(context.Context, *Request) (*Response, error)
+}
+
+// UnimplementedBrainServiceServer can be embedded to have forward compatible implementations.
+type UnimplementedBrainServiceServer struct {
+}
+
+func (*UnimplementedBrainServiceServer) Add(context.Context, *Request) (*Response, error) {
+	return nil, status.Errorf(codes.Unimplemented, "method Add not implemented")
+}
+
+func RegisterBrainServiceServer(s *grpc.Server, srv BrainServiceServer) {
+	s.RegisterService(&_BrainService_serviceDesc, srv)
+}
+
+func _BrainService_Add_Handler(srv interface{}, ctx context.Context, dec func(interface{}) error, interceptor grpc.UnaryServerInterceptor) (interface{}, error) {
+	in := new(Request)
+	if err := dec(in); err != nil {
+		return nil, err
+	}
+	if interceptor == nil {
+		return srv.(BrainServiceServer).Add(ctx, in)
+	}
+	info := &grpc.UnaryServerInfo{
+		Server:     srv,
+		FullMethod: "/pb.BrainService/Add",
+	}
+	handler := func(ctx context.Context, req interface{}) (interface{}, error) {
+		return srv.(BrainServiceServer).Add(ctx, req.(*Request))
+	}
+	return interceptor(ctx, in, info, handler)
+}
+
+var _BrainService_serviceDesc = grpc.ServiceDesc{
+	ServiceName: "pb.BrainService",
+	HandlerType: (*BrainServiceServer)(nil),
+	Methods: []grpc.MethodDesc{
+		{
+			MethodName: "Add",
+			Handler:    _BrainService_Add_Handler,
+		},
+	},
+	Streams:  []grpc.StreamDesc{},
+	Metadata: "protos/brain.proto",
+}
diff --git a/protos/brain.proto b/protos/brain.proto
new file mode 100644
index 0000000..332e230
--- /dev/null
+++ b/protos/brain.proto
@@ -0,0 +1,25 @@
+syntax = "proto3";
+
+package pb;
+option go_package = "./;pb";
+
+// Message defines the request/response structure.
+message Request {
+  int32 Case = 1;
+  string Data = 2;
+}
+
+// Message defines the request/response structure.
+message Response {
+  int32 Code = 1;
+  string Data = 2;
+}
+
+// Service defines the available RPCs.
+service BrainService {
+  // SayHello returns a greeting for the given name.
+  rpc Add (Request) returns (Response); 
+}
+
+option optimize_for = SPEED;
+ 
\ No newline at end of file