diff --git a/pkg/proto/storage.pb.go b/pkg/proto/storage.pb.go
index 8fce5ea..219e2dc 100644
--- a/pkg/proto/storage.pb.go
+++ b/pkg/proto/storage.pb.go
@@ -24,119 +24,6 @@ const (
 	_ = protoimpl.EnforceVersion(protoimpl.MaxVersion - 20)
 )
 
-type Comm struct {
-	state         protoimpl.MessageState
-	sizeCache     protoimpl.SizeCache
-	unknownFields protoimpl.UnknownFields
-
-	// Types that are assignable to CommOption:
-	//	*Comm_StringComm
-	CommOption isComm_CommOption `protobuf_oneof:"comm_option"`
-}
-
-func (x *Comm) Reset() {
-	*x = Comm{}
-	if protoimpl.UnsafeEnabled {
-		mi := &file_storage_proto_msgTypes[0]
-		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
-		ms.StoreMessageInfo(mi)
-	}
-}
-
-func (x *Comm) String() string {
-	return protoimpl.X.MessageStringOf(x)
-}
-
-func (*Comm) ProtoMessage() {}
-
-func (x *Comm) ProtoReflect() protoreflect.Message {
-	mi := &file_storage_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 Comm.ProtoReflect.Descriptor instead.
-func (*Comm) Descriptor() ([]byte, []int) {
-	return file_storage_proto_rawDescGZIP(), []int{0}
-}
-
-func (m *Comm) GetCommOption() isComm_CommOption {
-	if m != nil {
-		return m.CommOption
-	}
-	return nil
-}
-
-func (x *Comm) GetStringComm() *StringxComm {
-	if x, ok := x.GetCommOption().(*Comm_StringComm); ok {
-		return x.StringComm
-	}
-	return nil
-}
-
-type isComm_CommOption interface {
-	isComm_CommOption()
-}
-
-type Comm_StringComm struct {
-	StringComm *StringxComm `protobuf:"bytes,1,opt,name=string_comm,json=stringComm,proto3,oneof"`
-}
-
-func (*Comm_StringComm) isComm_CommOption() {}
-
-type CommendRequest struct {
-	state         protoimpl.MessageState
-	sizeCache     protoimpl.SizeCache
-	unknownFields protoimpl.UnknownFields
-
-	Commends *Comm `protobuf:"bytes,1,opt,name=commends,proto3" json:"commends,omitempty"`
-}
-
-func (x *CommendRequest) Reset() {
-	*x = CommendRequest{}
-	if protoimpl.UnsafeEnabled {
-		mi := &file_storage_proto_msgTypes[1]
-		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
-		ms.StoreMessageInfo(mi)
-	}
-}
-
-func (x *CommendRequest) String() string {
-	return protoimpl.X.MessageStringOf(x)
-}
-
-func (*CommendRequest) ProtoMessage() {}
-
-func (x *CommendRequest) ProtoReflect() protoreflect.Message {
-	mi := &file_storage_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 CommendRequest.ProtoReflect.Descriptor instead.
-func (*CommendRequest) Descriptor() ([]byte, []int) {
-	return file_storage_proto_rawDescGZIP(), []int{1}
-}
-
-func (x *CommendRequest) GetCommends() *Comm {
-	if x != nil {
-		return x.Commends
-	}
-	return nil
-}
-
 type CommendResponse struct {
 	state         protoimpl.MessageState
 	sizeCache     protoimpl.SizeCache
@@ -148,7 +35,7 @@ type CommendResponse struct {
 func (x *CommendResponse) Reset() {
 	*x = CommendResponse{}
 	if protoimpl.UnsafeEnabled {
-		mi := &file_storage_proto_msgTypes[2]
+		mi := &file_storage_proto_msgTypes[0]
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		ms.StoreMessageInfo(mi)
 	}
@@ -161,7 +48,7 @@ func (x *CommendResponse) String() string {
 func (*CommendResponse) ProtoMessage() {}
 
 func (x *CommendResponse) ProtoReflect() protoreflect.Message {
-	mi := &file_storage_proto_msgTypes[2]
+	mi := &file_storage_proto_msgTypes[0]
 	if protoimpl.UnsafeEnabled && x != nil {
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		if ms.LoadMessageInfo() == nil {
@@ -174,7 +61,7 @@ func (x *CommendResponse) ProtoReflect() protoreflect.Message {
 
 // Deprecated: Use CommendResponse.ProtoReflect.Descriptor instead.
 func (*CommendResponse) Descriptor() ([]byte, []int) {
-	return file_storage_proto_rawDescGZIP(), []int{2}
+	return file_storage_proto_rawDescGZIP(), []int{0}
 }
 
 func (x *CommendResponse) GetResult() []string {
@@ -188,23 +75,17 @@ var File_storage_proto protoreflect.FileDescriptor
 
 var file_storage_proto_rawDesc = []byte{
 	0x0a, 0x0d, 0x73, 0x74, 0x6f, 0x72, 0x61, 0x67, 0x65, 0x2e, 0x70, 0x72, 0x6f, 0x74, 0x6f, 0x1a,
-	0x0d, 0x73, 0x74, 0x72, 0x69, 0x6e, 0x67, 0x78, 0x2e, 0x70, 0x72, 0x6f, 0x74, 0x6f, 0x22, 0x46,
-	0x0a, 0x04, 0x43, 0x6f, 0x6d, 0x6d, 0x12, 0x2f, 0x0a, 0x0b, 0x73, 0x74, 0x72, 0x69, 0x6e, 0x67,
-	0x5f, 0x63, 0x6f, 0x6d, 0x6d, 0x18, 0x01, 0x20, 0x01, 0x28, 0x0b, 0x32, 0x0c, 0x2e, 0x53, 0x74,
-	0x72, 0x69, 0x6e, 0x67, 0x78, 0x43, 0x6f, 0x6d, 0x6d, 0x48, 0x00, 0x52, 0x0a, 0x73, 0x74, 0x72,
-	0x69, 0x6e, 0x67, 0x43, 0x6f, 0x6d, 0x6d, 0x42, 0x0d, 0x0a, 0x0b, 0x63, 0x6f, 0x6d, 0x6d, 0x5f,
-	0x6f, 0x70, 0x74, 0x69, 0x6f, 0x6e, 0x22, 0x33, 0x0a, 0x0e, 0x43, 0x6f, 0x6d, 0x6d, 0x65, 0x6e,
-	0x64, 0x52, 0x65, 0x71, 0x75, 0x65, 0x73, 0x74, 0x12, 0x21, 0x0a, 0x08, 0x63, 0x6f, 0x6d, 0x6d,
-	0x65, 0x6e, 0x64, 0x73, 0x18, 0x01, 0x20, 0x01, 0x28, 0x0b, 0x32, 0x05, 0x2e, 0x43, 0x6f, 0x6d,
-	0x6d, 0x52, 0x08, 0x63, 0x6f, 0x6d, 0x6d, 0x65, 0x6e, 0x64, 0x73, 0x22, 0x29, 0x0a, 0x0f, 0x43,
-	0x6f, 0x6d, 0x6d, 0x65, 0x6e, 0x64, 0x52, 0x65, 0x73, 0x70, 0x6f, 0x6e, 0x73, 0x65, 0x12, 0x16,
-	0x0a, 0x06, 0x72, 0x65, 0x73, 0x75, 0x6c, 0x74, 0x18, 0x01, 0x20, 0x03, 0x28, 0x09, 0x52, 0x06,
-	0x72, 0x65, 0x73, 0x75, 0x6c, 0x74, 0x32, 0x3a, 0x0a, 0x0a, 0x43, 0x6f, 0x6d, 0x6d, 0x53, 0x65,
-	0x72, 0x76, 0x65, 0x72, 0x12, 0x2c, 0x0a, 0x07, 0x43, 0x6f, 0x6d, 0x6d, 0x65, 0x6e, 0x64, 0x12,
-	0x0f, 0x2e, 0x43, 0x6f, 0x6d, 0x6d, 0x65, 0x6e, 0x64, 0x52, 0x65, 0x71, 0x75, 0x65, 0x73, 0x74,
-	0x1a, 0x10, 0x2e, 0x43, 0x6f, 0x6d, 0x6d, 0x65, 0x6e, 0x64, 0x52, 0x65, 0x73, 0x70, 0x6f, 0x6e,
-	0x73, 0x65, 0x42, 0x0b, 0x5a, 0x09, 0x70, 0x6b, 0x67, 0x2f, 0x70, 0x72, 0x6f, 0x74, 0x6f, 0x62,
-	0x06, 0x70, 0x72, 0x6f, 0x74, 0x6f, 0x33,
+	0x0d, 0x73, 0x74, 0x72, 0x69, 0x6e, 0x67, 0x78, 0x2e, 0x70, 0x72, 0x6f, 0x74, 0x6f, 0x22, 0x29,
+	0x0a, 0x0f, 0x43, 0x6f, 0x6d, 0x6d, 0x65, 0x6e, 0x64, 0x52, 0x65, 0x73, 0x70, 0x6f, 0x6e, 0x73,
+	0x65, 0x12, 0x16, 0x0a, 0x06, 0x72, 0x65, 0x73, 0x75, 0x6c, 0x74, 0x18, 0x01, 0x20, 0x03, 0x28,
+	0x09, 0x52, 0x06, 0x72, 0x65, 0x73, 0x75, 0x6c, 0x74, 0x32, 0x58, 0x0a, 0x0a, 0x43, 0x6f, 0x6d,
+	0x6d, 0x53, 0x65, 0x72, 0x76, 0x65, 0x72, 0x12, 0x24, 0x0a, 0x03, 0x47, 0x65, 0x74, 0x12, 0x0b,
+	0x2e, 0x47, 0x65, 0x74, 0x52, 0x65, 0x71, 0x75, 0x65, 0x73, 0x74, 0x1a, 0x10, 0x2e, 0x43, 0x6f,
+	0x6d, 0x6d, 0x65, 0x6e, 0x64, 0x52, 0x65, 0x73, 0x70, 0x6f, 0x6e, 0x73, 0x65, 0x12, 0x24, 0x0a,
+	0x03, 0x53, 0x65, 0x74, 0x12, 0x0b, 0x2e, 0x53, 0x65, 0x74, 0x52, 0x65, 0x71, 0x75, 0x65, 0x73,
+	0x74, 0x1a, 0x10, 0x2e, 0x43, 0x6f, 0x6d, 0x6d, 0x65, 0x6e, 0x64, 0x52, 0x65, 0x73, 0x70, 0x6f,
+	0x6e, 0x73, 0x65, 0x42, 0x0b, 0x5a, 0x09, 0x70, 0x6b, 0x67, 0x2f, 0x70, 0x72, 0x6f, 0x74, 0x6f,
+	0x62, 0x06, 0x70, 0x72, 0x6f, 0x74, 0x6f, 0x33,
 }
 
 var (
@@ -219,23 +100,22 @@ func file_storage_proto_rawDescGZIP() []byte {
 	return file_storage_proto_rawDescData
 }
 
-var file_storage_proto_msgTypes = make([]protoimpl.MessageInfo, 3)
+var file_storage_proto_msgTypes = make([]protoimpl.MessageInfo, 1)
 var file_storage_proto_goTypes = []interface{}{
-	(*Comm)(nil),            // 0: Comm
-	(*CommendRequest)(nil),  // 1: CommendRequest
-	(*CommendResponse)(nil), // 2: CommendResponse
-	(*StringxComm)(nil),     // 3: StringxComm
+	(*CommendResponse)(nil), // 0: CommendResponse
+	(*GetRequest)(nil),      // 1: GetRequest
+	(*SetRequest)(nil),      // 2: SetRequest
 }
 var file_storage_proto_depIdxs = []int32{
-	3, // 0: Comm.string_comm:type_name -> StringxComm
-	0, // 1: CommendRequest.commends:type_name -> Comm
-	1, // 2: CommServer.Commend:input_type -> CommendRequest
-	2, // 3: CommServer.Commend:output_type -> CommendResponse
-	3, // [3:4] is the sub-list for method output_type
-	2, // [2:3] is the sub-list for method input_type
-	2, // [2:2] is the sub-list for extension type_name
-	2, // [2:2] is the sub-list for extension extendee
-	0, // [0:2] is the sub-list for field type_name
+	1, // 0: CommServer.Get:input_type -> GetRequest
+	2, // 1: CommServer.Set:input_type -> SetRequest
+	0, // 2: CommServer.Get:output_type -> CommendResponse
+	0, // 3: CommServer.Set:output_type -> CommendResponse
+	2, // [2:4] is the sub-list for method output_type
+	0, // [0:2] 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_storage_proto_init() }
@@ -246,30 +126,6 @@ func file_storage_proto_init() {
 	file_stringx_proto_init()
 	if !protoimpl.UnsafeEnabled {
 		file_storage_proto_msgTypes[0].Exporter = func(v interface{}, i int) interface{} {
-			switch v := v.(*Comm); i {
-			case 0:
-				return &v.state
-			case 1:
-				return &v.sizeCache
-			case 2:
-				return &v.unknownFields
-			default:
-				return nil
-			}
-		}
-		file_storage_proto_msgTypes[1].Exporter = func(v interface{}, i int) interface{} {
-			switch v := v.(*CommendRequest); i {
-			case 0:
-				return &v.state
-			case 1:
-				return &v.sizeCache
-			case 2:
-				return &v.unknownFields
-			default:
-				return nil
-			}
-		}
-		file_storage_proto_msgTypes[2].Exporter = func(v interface{}, i int) interface{} {
 			switch v := v.(*CommendResponse); i {
 			case 0:
 				return &v.state
@@ -282,16 +138,13 @@ func file_storage_proto_init() {
 			}
 		}
 	}
-	file_storage_proto_msgTypes[0].OneofWrappers = []interface{}{
-		(*Comm_StringComm)(nil),
-	}
 	type x struct{}
 	out := protoimpl.TypeBuilder{
 		File: protoimpl.DescBuilder{
 			GoPackagePath: reflect.TypeOf(x{}).PkgPath(),
 			RawDescriptor: file_storage_proto_rawDesc,
 			NumEnums:      0,
-			NumMessages:   3,
+			NumMessages:   1,
 			NumExtensions: 0,
 			NumServices:   1,
 		},
@@ -317,7 +170,8 @@ const _ = grpc.SupportPackageIsVersion6
 //
 // For semantics around ctx use and closing/ending streaming RPCs, please refer to https://godoc.org/google.golang.org/grpc#ClientConn.NewStream.
 type CommServerClient interface {
-	Commend(ctx context.Context, in *CommendRequest, opts ...grpc.CallOption) (*CommendResponse, error)
+	Get(ctx context.Context, in *GetRequest, opts ...grpc.CallOption) (*CommendResponse, error)
+	Set(ctx context.Context, in *SetRequest, opts ...grpc.CallOption) (*CommendResponse, error)
 }
 
 type commServerClient struct {
@@ -328,9 +182,18 @@ func NewCommServerClient(cc grpc.ClientConnInterface) CommServerClient {
 	return &commServerClient{cc}
 }
 
-func (c *commServerClient) Commend(ctx context.Context, in *CommendRequest, opts ...grpc.CallOption) (*CommendResponse, error) {
+func (c *commServerClient) Get(ctx context.Context, in *GetRequest, opts ...grpc.CallOption) (*CommendResponse, error) {
 	out := new(CommendResponse)
-	err := c.cc.Invoke(ctx, "/CommServer/Commend", in, out, opts...)
+	err := c.cc.Invoke(ctx, "/CommServer/Get", in, out, opts...)
+	if err != nil {
+		return nil, err
+	}
+	return out, nil
+}
+
+func (c *commServerClient) Set(ctx context.Context, in *SetRequest, opts ...grpc.CallOption) (*CommendResponse, error) {
+	out := new(CommendResponse)
+	err := c.cc.Invoke(ctx, "/CommServer/Set", in, out, opts...)
 	if err != nil {
 		return nil, err
 	}
@@ -339,35 +202,57 @@ func (c *commServerClient) Commend(ctx context.Context, in *CommendRequest, opts
 
 // CommServerServer is the server API for CommServer service.
 type CommServerServer interface {
-	Commend(context.Context, *CommendRequest) (*CommendResponse, error)
+	Get(context.Context, *GetRequest) (*CommendResponse, error)
+	Set(context.Context, *SetRequest) (*CommendResponse, error)
 }
 
 // UnimplementedCommServerServer can be embedded to have forward compatible implementations.
 type UnimplementedCommServerServer struct {
 }
 
-func (*UnimplementedCommServerServer) Commend(context.Context, *CommendRequest) (*CommendResponse, error) {
-	return nil, status.Errorf(codes.Unimplemented, "method Commend not implemented")
+func (*UnimplementedCommServerServer) Get(context.Context, *GetRequest) (*CommendResponse, error) {
+	return nil, status.Errorf(codes.Unimplemented, "method Get not implemented")
+}
+func (*UnimplementedCommServerServer) Set(context.Context, *SetRequest) (*CommendResponse, error) {
+	return nil, status.Errorf(codes.Unimplemented, "method Set not implemented")
 }
 
 func RegisterCommServerServer(s *grpc.Server, srv CommServerServer) {
 	s.RegisterService(&_CommServer_serviceDesc, srv)
 }
 
-func _CommServer_Commend_Handler(srv interface{}, ctx context.Context, dec func(interface{}) error, interceptor grpc.UnaryServerInterceptor) (interface{}, error) {
-	in := new(CommendRequest)
+func _CommServer_Get_Handler(srv interface{}, ctx context.Context, dec func(interface{}) error, interceptor grpc.UnaryServerInterceptor) (interface{}, error) {
+	in := new(GetRequest)
 	if err := dec(in); err != nil {
 		return nil, err
 	}
 	if interceptor == nil {
-		return srv.(CommServerServer).Commend(ctx, in)
+		return srv.(CommServerServer).Get(ctx, in)
 	}
 	info := &grpc.UnaryServerInfo{
 		Server:     srv,
-		FullMethod: "/CommServer/Commend",
+		FullMethod: "/CommServer/Get",
 	}
 	handler := func(ctx context.Context, req interface{}) (interface{}, error) {
-		return srv.(CommServerServer).Commend(ctx, req.(*CommendRequest))
+		return srv.(CommServerServer).Get(ctx, req.(*GetRequest))
+	}
+	return interceptor(ctx, in, info, handler)
+}
+
+func _CommServer_Set_Handler(srv interface{}, ctx context.Context, dec func(interface{}) error, interceptor grpc.UnaryServerInterceptor) (interface{}, error) {
+	in := new(SetRequest)
+	if err := dec(in); err != nil {
+		return nil, err
+	}
+	if interceptor == nil {
+		return srv.(CommServerServer).Set(ctx, in)
+	}
+	info := &grpc.UnaryServerInfo{
+		Server:     srv,
+		FullMethod: "/CommServer/Set",
+	}
+	handler := func(ctx context.Context, req interface{}) (interface{}, error) {
+		return srv.(CommServerServer).Set(ctx, req.(*SetRequest))
 	}
 	return interceptor(ctx, in, info, handler)
 }
@@ -377,8 +262,12 @@ var _CommServer_serviceDesc = grpc.ServiceDesc{
 	HandlerType: (*CommServerServer)(nil),
 	Methods: []grpc.MethodDesc{
 		{
-			MethodName: "Commend",
-			Handler:    _CommServer_Commend_Handler,
+			MethodName: "Get",
+			Handler:    _CommServer_Get_Handler,
+		},
+		{
+			MethodName: "Set",
+			Handler:    _CommServer_Set_Handler,
 		},
 	},
 	Streams:  []grpc.StreamDesc{},
diff --git a/pkg/proto/stringx.pb.go b/pkg/proto/stringx.pb.go
index 475b34b..b9dad31 100644
--- a/pkg/proto/stringx.pb.go
+++ b/pkg/proto/stringx.pb.go
@@ -20,7 +20,7 @@ const (
 	_ = protoimpl.EnforceVersion(protoimpl.MaxVersion - 20)
 )
 
-type Set struct {
+type SetRequest struct {
 	state         protoimpl.MessageState
 	sizeCache     protoimpl.SizeCache
 	unknownFields protoimpl.UnknownFields
@@ -29,8 +29,8 @@ type Set struct {
 	Value string   `protobuf:"bytes,2,opt,name=value,proto3" json:"value,omitempty"`
 }
 
-func (x *Set) Reset() {
-	*x = Set{}
+func (x *SetRequest) Reset() {
+	*x = SetRequest{}
 	if protoimpl.UnsafeEnabled {
 		mi := &file_stringx_proto_msgTypes[0]
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
@@ -38,13 +38,13 @@ func (x *Set) Reset() {
 	}
 }
 
-func (x *Set) String() string {
+func (x *SetRequest) String() string {
 	return protoimpl.X.MessageStringOf(x)
 }
 
-func (*Set) ProtoMessage() {}
+func (*SetRequest) ProtoMessage() {}
 
-func (x *Set) ProtoReflect() protoreflect.Message {
+func (x *SetRequest) ProtoReflect() protoreflect.Message {
 	mi := &file_stringx_proto_msgTypes[0]
 	if protoimpl.UnsafeEnabled && x != nil {
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
@@ -56,26 +56,26 @@ func (x *Set) ProtoReflect() protoreflect.Message {
 	return mi.MessageOf(x)
 }
 
-// Deprecated: Use Set.ProtoReflect.Descriptor instead.
-func (*Set) Descriptor() ([]byte, []int) {
+// Deprecated: Use SetRequest.ProtoReflect.Descriptor instead.
+func (*SetRequest) Descriptor() ([]byte, []int) {
 	return file_stringx_proto_rawDescGZIP(), []int{0}
 }
 
-func (x *Set) GetKey() *BaseKey {
+func (x *SetRequest) GetKey() *BaseKey {
 	if x != nil {
 		return x.Key
 	}
 	return nil
 }
 
-func (x *Set) GetValue() string {
+func (x *SetRequest) GetValue() string {
 	if x != nil {
 		return x.Value
 	}
 	return ""
 }
 
-type Get struct {
+type GetRequest struct {
 	state         protoimpl.MessageState
 	sizeCache     protoimpl.SizeCache
 	unknownFields protoimpl.UnknownFields
@@ -83,8 +83,8 @@ type Get struct {
 	Key *BaseKey `protobuf:"bytes,1,opt,name=key,proto3" json:"key,omitempty"`
 }
 
-func (x *Get) Reset() {
-	*x = Get{}
+func (x *GetRequest) Reset() {
+	*x = GetRequest{}
 	if protoimpl.UnsafeEnabled {
 		mi := &file_stringx_proto_msgTypes[1]
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
@@ -92,13 +92,13 @@ func (x *Get) Reset() {
 	}
 }
 
-func (x *Get) String() string {
+func (x *GetRequest) String() string {
 	return protoimpl.X.MessageStringOf(x)
 }
 
-func (*Get) ProtoMessage() {}
+func (*GetRequest) ProtoMessage() {}
 
-func (x *Get) ProtoReflect() protoreflect.Message {
+func (x *GetRequest) ProtoReflect() protoreflect.Message {
 	mi := &file_stringx_proto_msgTypes[1]
 	if protoimpl.UnsafeEnabled && x != nil {
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
@@ -110,31 +110,29 @@ func (x *Get) ProtoReflect() protoreflect.Message {
 	return mi.MessageOf(x)
 }
 
-// Deprecated: Use Get.ProtoReflect.Descriptor instead.
-func (*Get) Descriptor() ([]byte, []int) {
+// Deprecated: Use GetRequest.ProtoReflect.Descriptor instead.
+func (*GetRequest) Descriptor() ([]byte, []int) {
 	return file_stringx_proto_rawDescGZIP(), []int{1}
 }
 
-func (x *Get) GetKey() *BaseKey {
+func (x *GetRequest) GetKey() *BaseKey {
 	if x != nil {
 		return x.Key
 	}
 	return nil
 }
 
-type StringxComm struct {
+type AddRequest struct {
 	state         protoimpl.MessageState
 	sizeCache     protoimpl.SizeCache
 	unknownFields protoimpl.UnknownFields
 
-	// Types that are assignable to Comm:
-	//	*StringxComm_Get
-	//	*StringxComm_Set
-	Comm isStringxComm_Comm `protobuf_oneof:"comm"`
+	Key   *BaseKey `protobuf:"bytes,1,opt,name=key,proto3" json:"key,omitempty"`
+	Value int64    `protobuf:"varint,2,opt,name=value,proto3" json:"value,omitempty"`
 }
 
-func (x *StringxComm) Reset() {
-	*x = StringxComm{}
+func (x *AddRequest) Reset() {
+	*x = AddRequest{}
 	if protoimpl.UnsafeEnabled {
 		mi := &file_stringx_proto_msgTypes[2]
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
@@ -142,13 +140,13 @@ func (x *StringxComm) Reset() {
 	}
 }
 
-func (x *StringxComm) String() string {
+func (x *AddRequest) String() string {
 	return protoimpl.X.MessageStringOf(x)
 }
 
-func (*StringxComm) ProtoMessage() {}
+func (*AddRequest) ProtoMessage() {}
 
-func (x *StringxComm) ProtoReflect() protoreflect.Message {
+func (x *AddRequest) ProtoReflect() protoreflect.Message {
 	mi := &file_stringx_proto_msgTypes[2]
 	if protoimpl.UnsafeEnabled && x != nil {
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
@@ -160,65 +158,92 @@ func (x *StringxComm) ProtoReflect() protoreflect.Message {
 	return mi.MessageOf(x)
 }
 
-// Deprecated: Use StringxComm.ProtoReflect.Descriptor instead.
-func (*StringxComm) Descriptor() ([]byte, []int) {
+// Deprecated: Use AddRequest.ProtoReflect.Descriptor instead.
+func (*AddRequest) Descriptor() ([]byte, []int) {
 	return file_stringx_proto_rawDescGZIP(), []int{2}
 }
 
-func (m *StringxComm) GetComm() isStringxComm_Comm {
-	if m != nil {
-		return m.Comm
+func (x *AddRequest) GetKey() *BaseKey {
+	if x != nil {
+		return x.Key
 	}
 	return nil
 }
 
-func (x *StringxComm) GetGet() *Set {
-	if x, ok := x.GetComm().(*StringxComm_Get); ok {
-		return x.Get
+func (x *AddRequest) GetValue() int64 {
+	if x != nil {
+		return x.Value
+	}
+	return 0
+}
+
+type RedceRequest struct {
+	state         protoimpl.MessageState
+	sizeCache     protoimpl.SizeCache
+	unknownFields protoimpl.UnknownFields
+
+	Key *BaseKey `protobuf:"bytes,1,opt,name=key,proto3" json:"key,omitempty"`
+}
+
+func (x *RedceRequest) Reset() {
+	*x = RedceRequest{}
+	if protoimpl.UnsafeEnabled {
+		mi := &file_stringx_proto_msgTypes[3]
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		ms.StoreMessageInfo(mi)
+	}
+}
+
+func (x *RedceRequest) String() string {
+	return protoimpl.X.MessageStringOf(x)
+}
+
+func (*RedceRequest) ProtoMessage() {}
+
+func (x *RedceRequest) ProtoReflect() protoreflect.Message {
+	mi := &file_stringx_proto_msgTypes[3]
+	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 RedceRequest.ProtoReflect.Descriptor instead.
+func (*RedceRequest) Descriptor() ([]byte, []int) {
+	return file_stringx_proto_rawDescGZIP(), []int{3}
+}
+
+func (x *RedceRequest) GetKey() *BaseKey {
+	if x != nil {
+		return x.Key
 	}
 	return nil
 }
 
-func (x *StringxComm) GetSet() *Get {
-	if x, ok := x.GetComm().(*StringxComm_Set); ok {
-		return x.Set
-	}
-	return nil
-}
-
-type isStringxComm_Comm interface {
-	isStringxComm_Comm()
-}
-
-type StringxComm_Get struct {
-	Get *Set `protobuf:"bytes,1,opt,name=get,proto3,oneof"`
-}
-
-type StringxComm_Set struct {
-	Set *Get `protobuf:"bytes,2,opt,name=set,proto3,oneof"`
-}
-
-func (*StringxComm_Get) isStringxComm_Comm() {}
-
-func (*StringxComm_Set) isStringxComm_Comm() {}
-
 var File_stringx_proto protoreflect.FileDescriptor
 
 var file_stringx_proto_rawDesc = []byte{
 	0x0a, 0x0d, 0x73, 0x74, 0x72, 0x69, 0x6e, 0x67, 0x78, 0x2e, 0x70, 0x72, 0x6f, 0x74, 0x6f, 0x1a,
-	0x0a, 0x62, 0x61, 0x73, 0x65, 0x2e, 0x70, 0x72, 0x6f, 0x74, 0x6f, 0x22, 0x37, 0x0a, 0x03, 0x53,
-	0x65, 0x74, 0x12, 0x1a, 0x0a, 0x03, 0x6b, 0x65, 0x79, 0x18, 0x01, 0x20, 0x01, 0x28, 0x0b, 0x32,
-	0x08, 0x2e, 0x42, 0x61, 0x73, 0x65, 0x4b, 0x65, 0x79, 0x52, 0x03, 0x6b, 0x65, 0x79, 0x12, 0x14,
-	0x0a, 0x05, 0x76, 0x61, 0x6c, 0x75, 0x65, 0x18, 0x02, 0x20, 0x01, 0x28, 0x09, 0x52, 0x05, 0x76,
-	0x61, 0x6c, 0x75, 0x65, 0x22, 0x21, 0x0a, 0x03, 0x47, 0x65, 0x74, 0x12, 0x1a, 0x0a, 0x03, 0x6b,
-	0x65, 0x79, 0x18, 0x01, 0x20, 0x01, 0x28, 0x0b, 0x32, 0x08, 0x2e, 0x42, 0x61, 0x73, 0x65, 0x4b,
-	0x65, 0x79, 0x52, 0x03, 0x6b, 0x65, 0x79, 0x22, 0x49, 0x0a, 0x0b, 0x53, 0x74, 0x72, 0x69, 0x6e,
-	0x67, 0x78, 0x43, 0x6f, 0x6d, 0x6d, 0x12, 0x18, 0x0a, 0x03, 0x67, 0x65, 0x74, 0x18, 0x01, 0x20,
-	0x01, 0x28, 0x0b, 0x32, 0x04, 0x2e, 0x53, 0x65, 0x74, 0x48, 0x00, 0x52, 0x03, 0x67, 0x65, 0x74,
-	0x12, 0x18, 0x0a, 0x03, 0x73, 0x65, 0x74, 0x18, 0x02, 0x20, 0x01, 0x28, 0x0b, 0x32, 0x04, 0x2e,
-	0x47, 0x65, 0x74, 0x48, 0x00, 0x52, 0x03, 0x73, 0x65, 0x74, 0x42, 0x06, 0x0a, 0x04, 0x63, 0x6f,
-	0x6d, 0x6d, 0x42, 0x0b, 0x5a, 0x09, 0x70, 0x6b, 0x67, 0x2f, 0x70, 0x72, 0x6f, 0x74, 0x6f, 0x62,
-	0x06, 0x70, 0x72, 0x6f, 0x74, 0x6f, 0x33,
+	0x0a, 0x62, 0x61, 0x73, 0x65, 0x2e, 0x70, 0x72, 0x6f, 0x74, 0x6f, 0x22, 0x3e, 0x0a, 0x0a, 0x53,
+	0x65, 0x74, 0x52, 0x65, 0x71, 0x75, 0x65, 0x73, 0x74, 0x12, 0x1a, 0x0a, 0x03, 0x6b, 0x65, 0x79,
+	0x18, 0x01, 0x20, 0x01, 0x28, 0x0b, 0x32, 0x08, 0x2e, 0x42, 0x61, 0x73, 0x65, 0x4b, 0x65, 0x79,
+	0x52, 0x03, 0x6b, 0x65, 0x79, 0x12, 0x14, 0x0a, 0x05, 0x76, 0x61, 0x6c, 0x75, 0x65, 0x18, 0x02,
+	0x20, 0x01, 0x28, 0x09, 0x52, 0x05, 0x76, 0x61, 0x6c, 0x75, 0x65, 0x22, 0x28, 0x0a, 0x0a, 0x47,
+	0x65, 0x74, 0x52, 0x65, 0x71, 0x75, 0x65, 0x73, 0x74, 0x12, 0x1a, 0x0a, 0x03, 0x6b, 0x65, 0x79,
+	0x18, 0x01, 0x20, 0x01, 0x28, 0x0b, 0x32, 0x08, 0x2e, 0x42, 0x61, 0x73, 0x65, 0x4b, 0x65, 0x79,
+	0x52, 0x03, 0x6b, 0x65, 0x79, 0x22, 0x3e, 0x0a, 0x0a, 0x41, 0x64, 0x64, 0x52, 0x65, 0x71, 0x75,
+	0x65, 0x73, 0x74, 0x12, 0x1a, 0x0a, 0x03, 0x6b, 0x65, 0x79, 0x18, 0x01, 0x20, 0x01, 0x28, 0x0b,
+	0x32, 0x08, 0x2e, 0x42, 0x61, 0x73, 0x65, 0x4b, 0x65, 0x79, 0x52, 0x03, 0x6b, 0x65, 0x79, 0x12,
+	0x14, 0x0a, 0x05, 0x76, 0x61, 0x6c, 0x75, 0x65, 0x18, 0x02, 0x20, 0x01, 0x28, 0x03, 0x52, 0x05,
+	0x76, 0x61, 0x6c, 0x75, 0x65, 0x22, 0x2a, 0x0a, 0x0c, 0x52, 0x65, 0x64, 0x63, 0x65, 0x52, 0x65,
+	0x71, 0x75, 0x65, 0x73, 0x74, 0x12, 0x1a, 0x0a, 0x03, 0x6b, 0x65, 0x79, 0x18, 0x01, 0x20, 0x01,
+	0x28, 0x0b, 0x32, 0x08, 0x2e, 0x42, 0x61, 0x73, 0x65, 0x4b, 0x65, 0x79, 0x52, 0x03, 0x6b, 0x65,
+	0x79, 0x42, 0x0b, 0x5a, 0x09, 0x70, 0x6b, 0x67, 0x2f, 0x70, 0x72, 0x6f, 0x74, 0x6f, 0x62, 0x06,
+	0x70, 0x72, 0x6f, 0x74, 0x6f, 0x33,
 }
 
 var (
@@ -233,18 +258,19 @@ func file_stringx_proto_rawDescGZIP() []byte {
 	return file_stringx_proto_rawDescData
 }
 
-var file_stringx_proto_msgTypes = make([]protoimpl.MessageInfo, 3)
+var file_stringx_proto_msgTypes = make([]protoimpl.MessageInfo, 4)
 var file_stringx_proto_goTypes = []interface{}{
-	(*Set)(nil),         // 0: Set
-	(*Get)(nil),         // 1: Get
-	(*StringxComm)(nil), // 2: StringxComm
-	(*BaseKey)(nil),     // 3: BaseKey
+	(*SetRequest)(nil),   // 0: SetRequest
+	(*GetRequest)(nil),   // 1: GetRequest
+	(*AddRequest)(nil),   // 2: AddRequest
+	(*RedceRequest)(nil), // 3: RedceRequest
+	(*BaseKey)(nil),      // 4: BaseKey
 }
 var file_stringx_proto_depIdxs = []int32{
-	3, // 0: Set.key:type_name -> BaseKey
-	3, // 1: Get.key:type_name -> BaseKey
-	0, // 2: StringxComm.get:type_name -> Set
-	1, // 3: StringxComm.set:type_name -> Get
+	4, // 0: SetRequest.key:type_name -> BaseKey
+	4, // 1: GetRequest.key:type_name -> BaseKey
+	4, // 2: AddRequest.key:type_name -> BaseKey
+	4, // 3: RedceRequest.key:type_name -> BaseKey
 	4, // [4:4] is the sub-list for method output_type
 	4, // [4:4] is the sub-list for method input_type
 	4, // [4:4] is the sub-list for extension type_name
@@ -260,7 +286,7 @@ func file_stringx_proto_init() {
 	file_base_proto_init()
 	if !protoimpl.UnsafeEnabled {
 		file_stringx_proto_msgTypes[0].Exporter = func(v interface{}, i int) interface{} {
-			switch v := v.(*Set); i {
+			switch v := v.(*SetRequest); i {
 			case 0:
 				return &v.state
 			case 1:
@@ -272,7 +298,7 @@ func file_stringx_proto_init() {
 			}
 		}
 		file_stringx_proto_msgTypes[1].Exporter = func(v interface{}, i int) interface{} {
-			switch v := v.(*Get); i {
+			switch v := v.(*GetRequest); i {
 			case 0:
 				return &v.state
 			case 1:
@@ -284,7 +310,19 @@ func file_stringx_proto_init() {
 			}
 		}
 		file_stringx_proto_msgTypes[2].Exporter = func(v interface{}, i int) interface{} {
-			switch v := v.(*StringxComm); i {
+			switch v := v.(*AddRequest); i {
+			case 0:
+				return &v.state
+			case 1:
+				return &v.sizeCache
+			case 2:
+				return &v.unknownFields
+			default:
+				return nil
+			}
+		}
+		file_stringx_proto_msgTypes[3].Exporter = func(v interface{}, i int) interface{} {
+			switch v := v.(*RedceRequest); i {
 			case 0:
 				return &v.state
 			case 1:
@@ -296,17 +334,13 @@ func file_stringx_proto_init() {
 			}
 		}
 	}
-	file_stringx_proto_msgTypes[2].OneofWrappers = []interface{}{
-		(*StringxComm_Get)(nil),
-		(*StringxComm_Set)(nil),
-	}
 	type x struct{}
 	out := protoimpl.TypeBuilder{
 		File: protoimpl.DescBuilder{
 			GoPackagePath: reflect.TypeOf(x{}).PkgPath(),
 			RawDescriptor: file_stringx_proto_rawDesc,
 			NumEnums:      0,
-			NumMessages:   3,
+			NumMessages:   4,
 			NumExtensions: 0,
 			NumServices:   0,
 		},
diff --git a/pkg/structure/define.go b/pkg/structure/define.go
index 53b61f7..0f37810 100644
--- a/pkg/structure/define.go
+++ b/pkg/structure/define.go
@@ -1,15 +1,27 @@
 package structure
 
-const (
-	STRING_X = iota
-	LIST_X
-	SET_X
-	Z_SET_X
-)
-
-// SetComm 操作描述
-type SetComm struct {
-	Typ    int
-	Opt    string
-	Params []string
+type KeyBase struct {
+}
+
+func (k *KeyBase) SizeByte() int64 {
+	panic("not implemented") // TODO: Implement
+}
+
+// TODO RollBack 事务相关, V2 实现
+func (k *KeyBase) RollBack() error {
+	panic("not implemented") // TODO: Implement
+}
+
+// Begin 事务相关, V2 实现
+func (k *KeyBase) Begin() error {
+	panic("not implemented") // TODO: Implement
+}
+
+// Comment 事务相关, V2 实现
+func (k *KeyBase) Comment() error {
+	panic("not implemented") // TODO: Implement
+}
+
+func (k *KeyBase) Encode() ([]byte, error) {
+	panic("not implemented") // TODO: Implement
 }
diff --git a/pkg/structure/interface.go b/pkg/structure/interface.go
index ad79e4c..1e69347 100644
--- a/pkg/structure/interface.go
+++ b/pkg/structure/interface.go
@@ -1,10 +1,12 @@
 package structure
 
+import "gitee.com/timedb/wheatCache/pkg/proto"
+
 type CacheValue interface {
 	LengthByte() int64
 }
 
-type KeyBase interface {
+type KeyBaseInterface interface {
 	SizeByte() int64
 
 	// TODO RollBack 事务相关, V2 实现
@@ -16,3 +18,14 @@ type KeyBase interface {
 
 	Encode() ([]byte, error)
 }
+
+type StringXInterface interface {
+	KeyBaseInterface
+	Set(*proto.SetRequest) ([]string, error)
+	Get(*proto.GetRequest) ([]string, error)
+}
+
+type ListXInterface interface {
+	KeyBaseInterface
+	LSet(*proto.SetRequest) ([]string, error)
+}
diff --git a/pkg/structure/stringx/option.go b/pkg/structure/stringx/option.go
index 653ddc2..f6c7490 100644
--- a/pkg/structure/stringx/option.go
+++ b/pkg/structure/stringx/option.go
@@ -1 +1,15 @@
 package stringx
+
+import "gitee.com/timedb/wheatCache/pkg/proto"
+
+func (s *StringX) Set(req *proto.SetRequest) ([]string, error) {
+	s.Value = req.Value
+	return nil, nil
+}
+
+func (s *StringX) Get(req *proto.GetRequest) ([]string, error) {
+	result := make([]string, 0, 1)
+	result = append(result, s.Value)
+
+	return result, nil
+}
diff --git a/pkg/structure/stringx/string.go b/pkg/structure/stringx/string.go
index 653ddc2..a5f4e71 100644
--- a/pkg/structure/stringx/string.go
+++ b/pkg/structure/stringx/string.go
@@ -1 +1,8 @@
 package stringx
+
+import "gitee.com/timedb/wheatCache/pkg/structure"
+
+type StringX struct {
+	structure.KeyBase
+	Value string
+}
diff --git a/protobuf/storage.proto b/protobuf/storage.proto
index 440914c..b1f024e 100644
--- a/protobuf/storage.proto
+++ b/protobuf/storage.proto
@@ -10,6 +10,4 @@ message CommendResponse {
 service CommServer {
   rpc Get (GetRequest) returns (CommendResponse);
   rpc Set (SetRequest) returns (CommendResponse);
-  rpc Add ()
-
 }
\ No newline at end of file
diff --git a/storage/server/server.go b/storage/server/server.go
index 485d858..0265082 100644
--- a/storage/server/server.go
+++ b/storage/server/server.go
@@ -2,19 +2,59 @@ package server
 
 import (
 	context "context"
+	"errors"
+
 	"gitee.com/timedb/wheatCache/pkg/proto"
+	"gitee.com/timedb/wheatCache/pkg/structure/stringx"
 )
 
-type server struct{}
+type server struct {
+}
 
 func NewServer() proto.CommServerServer {
 	ser := &server{}
 	return ser
 }
 
-func (s *server) Commend(
-	ctx context.Context,
-	req *proto.CommendRequest,
+func (s *server) Get(
+	cxt context.Context,
+	req *proto.GetRequest,
 ) (*proto.CommendResponse, error) {
-	return nil, nil
+
+	var value interface{}
+
+	switch value.(type) {
+	case *stringx.StringX:
+	default:
+		return nil, errors.New("awdwd")
+	}
+
+	result, err := value.(*stringx.StringX).Get(req)
+	if err != nil {
+		return nil, err
+	}
+	return &proto.CommendResponse{
+		Result: result,
+	}, nil
+}
+
+func (s *server) Set(
+	ctx context.Context,
+	req *proto.SetRequest,
+) (*proto.CommendResponse, error) {
+	var value interface{}
+
+	switch value.(type) {
+	case *stringx.StringX:
+	default:
+		return nil, errors.New("awdwd")
+	}
+
+	result, err := value.(*stringx.StringX).Set(req)
+	if err != nil {
+		return nil, err
+	}
+	return &proto.CommendResponse{
+		Result: result,
+	}, nil
 }