diff --git a/api/helloworld/v1/error_reason.pb.go b/api/helloworld/v1/error_reason.pb.go
deleted file mode 100644
index d8338df99653bf4befd27570a72168cd4b13fde7..0000000000000000000000000000000000000000
--- a/api/helloworld/v1/error_reason.pb.go
+++ /dev/null
@@ -1,129 +0,0 @@
-// Code generated by protoc-gen-go. DO NOT EDIT.
-// versions:
-// 	protoc-gen-go v1.28.0
-// 	protoc        v3.20.1
-// source: helloworld/v1/error_reason.proto
-
-package v1
-
-import (
-	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)
-)
-
-type ErrorReason int32
-
-const (
-	ErrorReason_GEETER_UNSPECIFIED ErrorReason = 0
-	ErrorReason_USER_NOT_FOUND     ErrorReason = 1
-)
-
-// Enum value maps for ErrorReason.
-var (
-	ErrorReason_name = map[int32]string{
-		0: "GEETER_UNSPECIFIED",
-		1: "USER_NOT_FOUND",
-	}
-	ErrorReason_value = map[string]int32{
-		"GEETER_UNSPECIFIED": 0,
-		"USER_NOT_FOUND":     1,
-	}
-)
-
-func (x ErrorReason) Enum() *ErrorReason {
-	p := new(ErrorReason)
-	*p = x
-	return p
-}
-
-func (x ErrorReason) String() string {
-	return protoimpl.X.EnumStringOf(x.Descriptor(), protoreflect.EnumNumber(x))
-}
-
-func (ErrorReason) Descriptor() protoreflect.EnumDescriptor {
-	return file_helloworld_v1_error_reason_proto_enumTypes[0].Descriptor()
-}
-
-func (ErrorReason) Type() protoreflect.EnumType {
-	return &file_helloworld_v1_error_reason_proto_enumTypes[0]
-}
-
-func (x ErrorReason) Number() protoreflect.EnumNumber {
-	return protoreflect.EnumNumber(x)
-}
-
-// Deprecated: Use ErrorReason.Descriptor instead.
-func (ErrorReason) EnumDescriptor() ([]byte, []int) {
-	return file_helloworld_v1_error_reason_proto_rawDescGZIP(), []int{0}
-}
-
-var File_helloworld_v1_error_reason_proto protoreflect.FileDescriptor
-
-var file_helloworld_v1_error_reason_proto_rawDesc = []byte{
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-	0x2e, 0x2f, 0x3b, 0x76, 0x31, 0x62, 0x06, 0x70, 0x72, 0x6f, 0x74, 0x6f, 0x33,
-}
-
-var (
-	file_helloworld_v1_error_reason_proto_rawDescOnce sync.Once
-	file_helloworld_v1_error_reason_proto_rawDescData = file_helloworld_v1_error_reason_proto_rawDesc
-)
-
-func file_helloworld_v1_error_reason_proto_rawDescGZIP() []byte {
-	file_helloworld_v1_error_reason_proto_rawDescOnce.Do(func() {
-		file_helloworld_v1_error_reason_proto_rawDescData = protoimpl.X.CompressGZIP(file_helloworld_v1_error_reason_proto_rawDescData)
-	})
-	return file_helloworld_v1_error_reason_proto_rawDescData
-}
-
-var file_helloworld_v1_error_reason_proto_enumTypes = make([]protoimpl.EnumInfo, 1)
-var file_helloworld_v1_error_reason_proto_goTypes = []interface{}{
-	(ErrorReason)(0), // 0: helloworld.v1.ErrorReason
-}
-var file_helloworld_v1_error_reason_proto_depIdxs = []int32{
-	0, // [0:0] is the sub-list for method output_type
-	0, // [0:0] 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_helloworld_v1_error_reason_proto_init() }
-func file_helloworld_v1_error_reason_proto_init() {
-	if File_helloworld_v1_error_reason_proto != nil {
-		return
-	}
-	type x struct{}
-	out := protoimpl.TypeBuilder{
-		File: protoimpl.DescBuilder{
-			GoPackagePath: reflect.TypeOf(x{}).PkgPath(),
-			RawDescriptor: file_helloworld_v1_error_reason_proto_rawDesc,
-			NumEnums:      1,
-			NumMessages:   0,
-			NumExtensions: 0,
-			NumServices:   0,
-		},
-		GoTypes:           file_helloworld_v1_error_reason_proto_goTypes,
-		DependencyIndexes: file_helloworld_v1_error_reason_proto_depIdxs,
-		EnumInfos:         file_helloworld_v1_error_reason_proto_enumTypes,
-	}.Build()
-	File_helloworld_v1_error_reason_proto = out.File
-	file_helloworld_v1_error_reason_proto_rawDesc = nil
-	file_helloworld_v1_error_reason_proto_goTypes = nil
-	file_helloworld_v1_error_reason_proto_depIdxs = nil
-}
diff --git a/api/helloworld/v1/greeter.pb.go b/api/helloworld/v1/greeter.pb.go
deleted file mode 100644
index 7f016be6ff14e9125617d716e3d990f39c25df4e..0000000000000000000000000000000000000000
--- a/api/helloworld/v1/greeter.pb.go
+++ /dev/null
@@ -1,219 +0,0 @@
-// Code generated by protoc-gen-go. DO NOT EDIT.
-// versions:
-// 	protoc-gen-go v1.28.0
-// 	protoc        v3.20.1
-// source: helloworld/v1/greeter.proto
-
-package v1
-
-import (
-	_ "google.golang.org/genproto/googleapis/api/annotations"
-	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)
-)
-
-// The request message containing the user's name.
-type HelloRequest struct {
-	state         protoimpl.MessageState
-	sizeCache     protoimpl.SizeCache
-	unknownFields protoimpl.UnknownFields
-
-	Name string `protobuf:"bytes,1,opt,name=name,proto3" json:"name,omitempty"`
-}
-
-func (x *HelloRequest) Reset() {
-	*x = HelloRequest{}
-	if protoimpl.UnsafeEnabled {
-		mi := &file_helloworld_v1_greeter_proto_msgTypes[0]
-		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
-		ms.StoreMessageInfo(mi)
-	}
-}
-
-func (x *HelloRequest) String() string {
-	return protoimpl.X.MessageStringOf(x)
-}
-
-func (*HelloRequest) ProtoMessage() {}
-
-func (x *HelloRequest) ProtoReflect() protoreflect.Message {
-	mi := &file_helloworld_v1_greeter_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 HelloRequest.ProtoReflect.Descriptor instead.
-func (*HelloRequest) Descriptor() ([]byte, []int) {
-	return file_helloworld_v1_greeter_proto_rawDescGZIP(), []int{0}
-}
-
-func (x *HelloRequest) GetName() string {
-	if x != nil {
-		return x.Name
-	}
-	return ""
-}
-
-// The response message containing the greetings
-type HelloReply struct {
-	state         protoimpl.MessageState
-	sizeCache     protoimpl.SizeCache
-	unknownFields protoimpl.UnknownFields
-
-	Message string `protobuf:"bytes,1,opt,name=message,proto3" json:"message,omitempty"`
-}
-
-func (x *HelloReply) Reset() {
-	*x = HelloReply{}
-	if protoimpl.UnsafeEnabled {
-		mi := &file_helloworld_v1_greeter_proto_msgTypes[1]
-		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
-		ms.StoreMessageInfo(mi)
-	}
-}
-
-func (x *HelloReply) String() string {
-	return protoimpl.X.MessageStringOf(x)
-}
-
-func (*HelloReply) ProtoMessage() {}
-
-func (x *HelloReply) ProtoReflect() protoreflect.Message {
-	mi := &file_helloworld_v1_greeter_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 HelloReply.ProtoReflect.Descriptor instead.
-func (*HelloReply) Descriptor() ([]byte, []int) {
-	return file_helloworld_v1_greeter_proto_rawDescGZIP(), []int{1}
-}
-
-func (x *HelloReply) GetMessage() string {
-	if x != nil {
-		return x.Message
-	}
-	return ""
-}
-
-var File_helloworld_v1_greeter_proto protoreflect.FileDescriptor
-
-var file_helloworld_v1_greeter_proto_rawDesc = []byte{
-	0x0a, 0x1b, 0x68, 0x65, 0x6c, 0x6c, 0x6f, 0x77, 0x6f, 0x72, 0x6c, 0x64, 0x2f, 0x76, 0x31, 0x2f,
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-	0x6f, 0x33,
-}
-
-var (
-	file_helloworld_v1_greeter_proto_rawDescOnce sync.Once
-	file_helloworld_v1_greeter_proto_rawDescData = file_helloworld_v1_greeter_proto_rawDesc
-)
-
-func file_helloworld_v1_greeter_proto_rawDescGZIP() []byte {
-	file_helloworld_v1_greeter_proto_rawDescOnce.Do(func() {
-		file_helloworld_v1_greeter_proto_rawDescData = protoimpl.X.CompressGZIP(file_helloworld_v1_greeter_proto_rawDescData)
-	})
-	return file_helloworld_v1_greeter_proto_rawDescData
-}
-
-var file_helloworld_v1_greeter_proto_msgTypes = make([]protoimpl.MessageInfo, 2)
-var file_helloworld_v1_greeter_proto_goTypes = []interface{}{
-	(*HelloRequest)(nil), // 0: helloworld.v1.HelloRequest
-	(*HelloReply)(nil),   // 1: helloworld.v1.HelloReply
-}
-var file_helloworld_v1_greeter_proto_depIdxs = []int32{
-	0, // 0: helloworld.v1.Greeter.SayHello:input_type -> helloworld.v1.HelloRequest
-	1, // 1: helloworld.v1.Greeter.SayHello:output_type -> helloworld.v1.HelloReply
-	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_helloworld_v1_greeter_proto_init() }
-func file_helloworld_v1_greeter_proto_init() {
-	if File_helloworld_v1_greeter_proto != nil {
-		return
-	}
-	if !protoimpl.UnsafeEnabled {
-		file_helloworld_v1_greeter_proto_msgTypes[0].Exporter = func(v interface{}, i int) interface{} {
-			switch v := v.(*HelloRequest); i {
-			case 0:
-				return &v.state
-			case 1:
-				return &v.sizeCache
-			case 2:
-				return &v.unknownFields
-			default:
-				return nil
-			}
-		}
-		file_helloworld_v1_greeter_proto_msgTypes[1].Exporter = func(v interface{}, i int) interface{} {
-			switch v := v.(*HelloReply); 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_helloworld_v1_greeter_proto_rawDesc,
-			NumEnums:      0,
-			NumMessages:   2,
-			NumExtensions: 0,
-			NumServices:   1,
-		},
-		GoTypes:           file_helloworld_v1_greeter_proto_goTypes,
-		DependencyIndexes: file_helloworld_v1_greeter_proto_depIdxs,
-		MessageInfos:      file_helloworld_v1_greeter_proto_msgTypes,
-	}.Build()
-	File_helloworld_v1_greeter_proto = out.File
-	file_helloworld_v1_greeter_proto_rawDesc = nil
-	file_helloworld_v1_greeter_proto_goTypes = nil
-	file_helloworld_v1_greeter_proto_depIdxs = nil
-}
diff --git a/api/helloworld/v1/greeter_grpc.pb.go b/api/helloworld/v1/greeter_grpc.pb.go
deleted file mode 100644
index 5f2351003c5ca12adfcc65b230977dc202e70f88..0000000000000000000000000000000000000000
--- a/api/helloworld/v1/greeter_grpc.pb.go
+++ /dev/null
@@ -1,107 +0,0 @@
-// Code generated by protoc-gen-go-grpc. DO NOT EDIT.
-// versions:
-// - protoc-gen-go-grpc v1.2.0
-// - protoc             v3.20.1
-// source: helloworld/v1/greeter.proto
-
-package v1
-
-import (
-	context "context"
-	grpc "google.golang.org/grpc"
-	codes "google.golang.org/grpc/codes"
-	status "google.golang.org/grpc/status"
-)
-
-// This is a compile-time assertion to ensure that this generated file
-// is compatible with the grpc package it is being compiled against.
-// Requires gRPC-Go v1.32.0 or later.
-const _ = grpc.SupportPackageIsVersion7
-
-// GreeterClient is the client API for Greeter service.
-//
-// For semantics around ctx use and closing/ending streaming RPCs, please refer to https://pkg.go.dev/google.golang.org/grpc/?tab=doc#ClientConn.NewStream.
-type GreeterClient interface {
-	// Sends a greeting
-	SayHello(ctx context.Context, in *HelloRequest, opts ...grpc.CallOption) (*HelloReply, error)
-}
-
-type greeterClient struct {
-	cc grpc.ClientConnInterface
-}
-
-func NewGreeterClient(cc grpc.ClientConnInterface) GreeterClient {
-	return &greeterClient{cc}
-}
-
-func (c *greeterClient) SayHello(ctx context.Context, in *HelloRequest, opts ...grpc.CallOption) (*HelloReply, error) {
-	out := new(HelloReply)
-	err := c.cc.Invoke(ctx, "/helloworld.v1.Greeter/SayHello", in, out, opts...)
-	if err != nil {
-		return nil, err
-	}
-	return out, nil
-}
-
-// GreeterServer is the server API for Greeter service.
-// All implementations must embed UnimplementedGreeterServer
-// for forward compatibility
-type GreeterServer interface {
-	// Sends a greeting
-	SayHello(context.Context, *HelloRequest) (*HelloReply, error)
-	mustEmbedUnimplementedGreeterServer()
-}
-
-// UnimplementedGreeterServer must be embedded to have forward compatible implementations.
-type UnimplementedGreeterServer struct {
-}
-
-func (UnimplementedGreeterServer) SayHello(context.Context, *HelloRequest) (*HelloReply, error) {
-	return nil, status.Errorf(codes.Unimplemented, "method SayHello not implemented")
-}
-func (UnimplementedGreeterServer) mustEmbedUnimplementedGreeterServer() {}
-
-// UnsafeGreeterServer may be embedded to opt out of forward compatibility for this service.
-// Use of this interface is not recommended, as added methods to GreeterServer will
-// result in compilation errors.
-type UnsafeGreeterServer interface {
-	mustEmbedUnimplementedGreeterServer()
-}
-
-func RegisterGreeterServer(s grpc.ServiceRegistrar, srv GreeterServer) {
-	s.RegisterService(&Greeter_ServiceDesc, srv)
-}
-
-func _Greeter_SayHello_Handler(srv interface{}, ctx context.Context, dec func(interface{}) error, interceptor grpc.UnaryServerInterceptor) (interface{}, error) {
-	in := new(HelloRequest)
-	if err := dec(in); err != nil {
-		return nil, err
-	}
-	if interceptor == nil {
-		return srv.(GreeterServer).SayHello(ctx, in)
-	}
-	info := &grpc.UnaryServerInfo{
-		Server:     srv,
-		FullMethod: "/helloworld.v1.Greeter/SayHello",
-	}
-	handler := func(ctx context.Context, req interface{}) (interface{}, error) {
-		return srv.(GreeterServer).SayHello(ctx, req.(*HelloRequest))
-	}
-	return interceptor(ctx, in, info, handler)
-}
-
-// Greeter_ServiceDesc is the grpc.ServiceDesc for Greeter service.
-// It's only intended for direct use with grpc.RegisterService,
-// and not to be introspected or modified (even as a copy)
-var Greeter_ServiceDesc = grpc.ServiceDesc{
-	ServiceName: "helloworld.v1.Greeter",
-	HandlerType: (*GreeterServer)(nil),
-	Methods: []grpc.MethodDesc{
-		{
-			MethodName: "SayHello",
-			Handler:    _Greeter_SayHello_Handler,
-		},
-	},
-	Streams:  []grpc.StreamDesc{},
-	Metadata: "helloworld/v1/greeter.proto",
-}
diff --git a/api/helloworld/v1/greeter_http.pb.go b/api/helloworld/v1/greeter_http.pb.go
deleted file mode 100644
index 069b4de5bcf831c276d5a5f6b12b0cd0005f8799..0000000000000000000000000000000000000000
--- a/api/helloworld/v1/greeter_http.pb.go
+++ /dev/null
@@ -1,76 +0,0 @@
-// Code generated by protoc-gen-go-http. DO NOT EDIT.
-// versions:
-// protoc-gen-go-http v2.3.1
-
-package v1
-
-import (
-	context "context"
-	http "github.com/go-kratos/kratos/v2/transport/http"
-	binding "github.com/go-kratos/kratos/v2/transport/http/binding"
-)
-
-// This is a compile-time assertion to ensure that this generated file
-// is compatible with the kratos package it is being compiled against.
-var _ = new(context.Context)
-var _ = binding.EncodeURL
-
-const _ = http.SupportPackageIsVersion1
-
-const OperationGreeterSayHello = "/helloworld.v1.Greeter/SayHello"
-
-type GreeterHTTPServer interface {
-	SayHello(context.Context, *HelloRequest) (*HelloReply, error)
-}
-
-func RegisterGreeterHTTPServer(s *http.Server, srv GreeterHTTPServer) {
-	r := s.Route("/")
-	r.GET("/helloworld/{name}", _Greeter_SayHello0_HTTP_Handler(srv))
-}
-
-func _Greeter_SayHello0_HTTP_Handler(srv GreeterHTTPServer) func(ctx http.Context) error {
-	return func(ctx http.Context) error {
-		var in HelloRequest
-		if err := ctx.BindQuery(&in); err != nil {
-			return err
-		}
-		if err := ctx.BindVars(&in); err != nil {
-			return err
-		}
-		http.SetOperation(ctx, OperationGreeterSayHello)
-		h := ctx.Middleware(func(ctx context.Context, req interface{}) (interface{}, error) {
-			return srv.SayHello(ctx, req.(*HelloRequest))
-		})
-		out, err := h(ctx, &in)
-		if err != nil {
-			return err
-		}
-		reply := out.(*HelloReply)
-		return ctx.Result(200, reply)
-	}
-}
-
-type GreeterHTTPClient interface {
-	SayHello(ctx context.Context, req *HelloRequest, opts ...http.CallOption) (rsp *HelloReply, err error)
-}
-
-type GreeterHTTPClientImpl struct {
-	cc *http.Client
-}
-
-func NewGreeterHTTPClient(client *http.Client) GreeterHTTPClient {
-	return &GreeterHTTPClientImpl{client}
-}
-
-func (c *GreeterHTTPClientImpl) SayHello(ctx context.Context, in *HelloRequest, opts ...http.CallOption) (*HelloReply, error) {
-	var out HelloReply
-	pattern := "/helloworld/{name}"
-	path := binding.EncodeURL(pattern, in, true)
-	opts = append(opts, http.Operation(OperationGreeterSayHello))
-	opts = append(opts, http.PathTemplate(pattern))
-	err := c.cc.Invoke(ctx, "GET", path, nil, &out, opts...)
-	if err != nil {
-		return nil, err
-	}
-	return &out, err
-}