diff --git a/product-service/domain/repository/product_repository.go b/product-service/domain/repository/product_repository.go
index 0026cf1..b82c2c9 100644
--- a/product-service/domain/repository/product_repository.go
+++ b/product-service/domain/repository/product_repository.go
@@ -4,6 +4,7 @@ import (
 	"errors"
 	"fmt"
 	"goproduct/domain/model"
+	"goproduct/proto"
 
 	"gorm.io/gorm"
 )
@@ -20,6 +21,8 @@ type IProductRepository interface {
 	ShowProductDetail(int32) (*model.ProductDetail, error)
 	ShowProductSku(int32) (*[]model.ProductSku, error)
 	ShowDetailSku(int32) (*model.ProductSku, error)
+	UpdateSku(req *proto.UpdateSkuReq) (isSuccess bool, err error)
+
 	CountNum() int64
 }
 
@@ -92,3 +95,10 @@ func (u *ProductRepository) ShowDetailSku(id int32) (obj *model.ProductSku, err
 	fmt.Println("repository ShowDetailSku   >>>> ", productSku)
 	return productSku, nil
 }
+
+func (u *ProductRepository) UpdateSku(req *proto.UpdateSkuReq) (isSuccess bool, err error) {
+	sku := req.GetProductSku()
+	//u.mysqlDB.Updates(sku)
+	u.mysqlDB.Debug().Model(&model.ProductSku{}).Where("id=?", sku.SkuId).Update("stock", sku.Stock)
+	return true, nil
+}
diff --git a/product-service/domain/service/product_data_service.go b/product-service/domain/service/product_data_service.go
index b90ded1..0fba9bb 100644
--- a/product-service/domain/service/product_data_service.go
+++ b/product-service/domain/service/product_data_service.go
@@ -3,6 +3,7 @@ package service
 import (
 	"goproduct/domain/model"
 	"goproduct/domain/repository"
+	"goproduct/proto"
 )
 
 type IProductDataService interface {
@@ -10,7 +11,7 @@ type IProductDataService interface {
 	ShowProductDetail(int32) (obj *model.ProductDetail, err error)
 	ShowProductSku(int32) (obj *[]model.ProductSku, err error)
 	ShowDetailSku(int32) (obj *model.ProductSku, err error)
-
+	UpdateSku(req *proto.UpdateSkuReq) (isSuccess bool, err error)
 	CountNum() int64
 }
 type ProductDataService struct {
@@ -44,3 +45,8 @@ func (u *ProductDataService) ShowDetailSku(id int32) (product *model.ProductSku,
 
 	return u.productRepository.ShowDetailSku(id)
 }
+
+func (u *ProductDataService) UpdateSku(req *proto.UpdateSkuReq) (isSuccess bool, err error) {
+
+	return u.productRepository.UpdateSku(req)
+}
diff --git a/product-service/handler/product_handler.go b/product-service/handler/product_handler.go
index fd73c7c..88683b9 100644
--- a/product-service/handler/product_handler.go
+++ b/product-service/handler/product_handler.go
@@ -112,3 +112,15 @@ func (u *ProductHandler) ShowDetailSku(ctx context.Context, req *proto.ProductDe
 	resp.ProductSku = append(resp.ProductSku, productSku)
 	return nil
 }
+
+// 修改商品SKU
+func (u *ProductHandler) UpdateSku(ctx context.Context, req *proto.UpdateSkuReq, resp *proto.UpdateSkuResp) error {
+	//count := u.ProductDataService.CountNum()
+	isSuccess, err := u.ProductDataService.UpdateSku(req)
+	if err != nil {
+		resp.IsSuccess = isSuccess
+		println("UpdateSku   err :", err)
+	}
+	resp.IsSuccess = isSuccess
+	return nil
+}
diff --git a/product-service/main.go b/product-service/main.go
index ed0cb2a..0f9d545 100644
--- a/product-service/main.go
+++ b/product-service/main.go
@@ -59,6 +59,7 @@ func main() {
 	proto.RegisterShowProductDetailHandler(repcService.Server(), &handler.ProductHandler{productDataService})
 	proto.RegisterShowProductSkuHandler(repcService.Server(), &handler.ProductHandler{productDataService})
 	proto.RegisterShowDetailSkuHandler(repcService.Server(), &handler.ProductHandler{productDataService})
+	proto.RegisterUpdateSkuHandler(repcService.Server(), &handler.ProductHandler{productDataService})
 	//5.启动服务
 	if err := repcService.Run(); err != nil {
 		log.Println("start user service err :", err)
diff --git a/product-service/proto/product.pb.go b/product-service/proto/product.pb.go
index f741c20..d695e55 100644
--- a/product-service/proto/product.pb.go
+++ b/product-service/proto/product.pb.go
@@ -11,10 +11,6 @@
 package proto
 
 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"
@@ -746,6 +742,100 @@ func (x *ProductSkuResp) GetProductSku() []*ProductSku {
 	return nil
 }
 
+type UpdateSkuReq struct {
+	state         protoimpl.MessageState
+	sizeCache     protoimpl.SizeCache
+	unknownFields protoimpl.UnknownFields
+
+	ProductSku *ProductSku `protobuf:"bytes,1,opt,name=productSku,proto3" json:"productSku,omitempty"`
+}
+
+func (x *UpdateSkuReq) Reset() {
+	*x = UpdateSkuReq{}
+	if protoimpl.UnsafeEnabled {
+		mi := &file_product_proto_msgTypes[9]
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		ms.StoreMessageInfo(mi)
+	}
+}
+
+func (x *UpdateSkuReq) String() string {
+	return protoimpl.X.MessageStringOf(x)
+}
+
+func (*UpdateSkuReq) ProtoMessage() {}
+
+func (x *UpdateSkuReq) ProtoReflect() protoreflect.Message {
+	mi := &file_product_proto_msgTypes[9]
+	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 UpdateSkuReq.ProtoReflect.Descriptor instead.
+func (*UpdateSkuReq) Descriptor() ([]byte, []int) {
+	return file_product_proto_rawDescGZIP(), []int{9}
+}
+
+func (x *UpdateSkuReq) GetProductSku() *ProductSku {
+	if x != nil {
+		return x.ProductSku
+	}
+	return nil
+}
+
+type UpdateSkuResp struct {
+	state         protoimpl.MessageState
+	sizeCache     protoimpl.SizeCache
+	unknownFields protoimpl.UnknownFields
+
+	IsSuccess bool `protobuf:"varint,1,opt,name=isSuccess,proto3" json:"isSuccess,omitempty"`
+}
+
+func (x *UpdateSkuResp) Reset() {
+	*x = UpdateSkuResp{}
+	if protoimpl.UnsafeEnabled {
+		mi := &file_product_proto_msgTypes[10]
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		ms.StoreMessageInfo(mi)
+	}
+}
+
+func (x *UpdateSkuResp) String() string {
+	return protoimpl.X.MessageStringOf(x)
+}
+
+func (*UpdateSkuResp) ProtoMessage() {}
+
+func (x *UpdateSkuResp) ProtoReflect() protoreflect.Message {
+	mi := &file_product_proto_msgTypes[10]
+	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 UpdateSkuResp.ProtoReflect.Descriptor instead.
+func (*UpdateSkuResp) Descriptor() ([]byte, []int) {
+	return file_product_proto_rawDescGZIP(), []int{10}
+}
+
+func (x *UpdateSkuResp) GetIsSuccess() bool {
+	if x != nil {
+		return x.IsSuccess
+	}
+	return false
+}
+
 var File_product_proto protoreflect.FileDescriptor
 
 var file_product_proto_rawDesc = []byte{
@@ -844,27 +934,39 @@ var file_product_proto_rawDesc = []byte{
 	0x0a, 0x70, 0x72, 0x6f, 0x64, 0x75, 0x63, 0x74, 0x53, 0x6b, 0x75, 0x18, 0x01, 0x20, 0x03, 0x28,
 	0x0b, 0x32, 0x11, 0x2e, 0x70, 0x72, 0x6f, 0x74, 0x6f, 0x2e, 0x50, 0x72, 0x6f, 0x64, 0x75, 0x63,
 	0x74, 0x53, 0x6b, 0x75, 0x52, 0x0a, 0x70, 0x72, 0x6f, 0x64, 0x75, 0x63, 0x74, 0x53, 0x6b, 0x75,
-	0x32, 0x31, 0x0a, 0x04, 0x50, 0x61, 0x67, 0x65, 0x12, 0x29, 0x0a, 0x04, 0x50, 0x61, 0x67, 0x65,
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+	0x22, 0x00, 0x42, 0x0a, 0x5a, 0x08, 0x2e, 0x2f, 0x3b, 0x70, 0x72, 0x6f, 0x74, 0x6f, 0x62, 0x06,
+	0x70, 0x72, 0x6f, 0x74, 0x6f, 0x33,
 }
 
 var (
@@ -879,7 +981,7 @@ func file_product_proto_rawDescGZIP() []byte {
 	return file_product_proto_rawDescData
 }
 
-var file_product_proto_msgTypes = make([]protoimpl.MessageInfo, 10)
+var file_product_proto_msgTypes = make([]protoimpl.MessageInfo, 12)
 var file_product_proto_goTypes = []interface{}{
 	(*Product)(nil),           // 0: proto.Product
 	(*PageReq)(nil),           // 1: proto.PageReq
@@ -890,26 +992,31 @@ var file_product_proto_goTypes = []interface{}{
 	(*ProductSku)(nil),        // 6: proto.ProductSku
 	(*ProductSkuReq)(nil),     // 7: proto.ProductSkuReq
 	(*ProductSkuResp)(nil),    // 8: proto.ProductSkuResp
-	nil,                       // 9: proto.Product.LabelListEntry
+	(*UpdateSkuReq)(nil),      // 9: proto.UpdateSkuReq
+	(*UpdateSkuResp)(nil),     // 10: proto.UpdateSkuResp
+	nil,                       // 11: proto.Product.LabelListEntry
 }
 var file_product_proto_depIdxs = []int32{
-	9, // 0: proto.Product.labelList:type_name -> proto.Product.LabelListEntry
-	0, // 1: proto.PageResp.product:type_name -> proto.Product
-	3, // 2: proto.ProductDetailResp.productDetail:type_name -> proto.ProductDetail
-	6, // 3: proto.ProductSkuResp.productSku:type_name -> proto.ProductSku
-	1, // 4: proto.Page.Page:input_type -> proto.PageReq
-	4, // 5: proto.ShowProductDetail.ShowProductDetail:input_type -> proto.ProductDetailReq
-	7, // 6: proto.ShowProductSku.ShowProductSku:input_type -> proto.ProductSkuReq
-	4, // 7: proto.ShowDetailSku.ShowDetailSku:input_type -> proto.ProductDetailReq
-	2, // 8: proto.Page.Page:output_type -> proto.PageResp
-	5, // 9: proto.ShowProductDetail.ShowProductDetail:output_type -> proto.ProductDetailResp
-	8, // 10: proto.ShowProductSku.ShowProductSku:output_type -> proto.ProductSkuResp
-	8, // 11: proto.ShowDetailSku.ShowDetailSku:output_type -> proto.ProductSkuResp
-	8, // [8:12] is the sub-list for method output_type
-	4, // [4:8] is the sub-list for method input_type
-	4, // [4:4] is the sub-list for extension type_name
-	4, // [4:4] is the sub-list for extension extendee
-	0, // [0:4] is the sub-list for field type_name
+	11, // 0: proto.Product.labelList:type_name -> proto.Product.LabelListEntry
+	0,  // 1: proto.PageResp.product:type_name -> proto.Product
+	3,  // 2: proto.ProductDetailResp.productDetail:type_name -> proto.ProductDetail
+	6,  // 3: proto.ProductSkuResp.productSku:type_name -> proto.ProductSku
+	6,  // 4: proto.UpdateSkuReq.productSku:type_name -> proto.ProductSku
+	1,  // 5: proto.Page.Page:input_type -> proto.PageReq
+	4,  // 6: proto.ShowProductDetail.ShowProductDetail:input_type -> proto.ProductDetailReq
+	7,  // 7: proto.ShowProductSku.ShowProductSku:input_type -> proto.ProductSkuReq
+	4,  // 8: proto.ShowDetailSku.ShowDetailSku:input_type -> proto.ProductDetailReq
+	9,  // 9: proto.UpdateSku.UpdateSku:input_type -> proto.UpdateSkuReq
+	2,  // 10: proto.Page.Page:output_type -> proto.PageResp
+	5,  // 11: proto.ShowProductDetail.ShowProductDetail:output_type -> proto.ProductDetailResp
+	8,  // 12: proto.ShowProductSku.ShowProductSku:output_type -> proto.ProductSkuResp
+	8,  // 13: proto.ShowDetailSku.ShowDetailSku:output_type -> proto.ProductSkuResp
+	10, // 14: proto.UpdateSku.UpdateSku:output_type -> proto.UpdateSkuResp
+	10, // [10:15] is the sub-list for method output_type
+	5,  // [5:10] is the sub-list for method input_type
+	5,  // [5:5] is the sub-list for extension type_name
+	5,  // [5:5] is the sub-list for extension extendee
+	0,  // [0:5] is the sub-list for field type_name
 }
 
 func init() { file_product_proto_init() }
@@ -1026,6 +1133,30 @@ func file_product_proto_init() {
 				return nil
 			}
 		}
+		file_product_proto_msgTypes[9].Exporter = func(v interface{}, i int) interface{} {
+			switch v := v.(*UpdateSkuReq); i {
+			case 0:
+				return &v.state
+			case 1:
+				return &v.sizeCache
+			case 2:
+				return &v.unknownFields
+			default:
+				return nil
+			}
+		}
+		file_product_proto_msgTypes[10].Exporter = func(v interface{}, i int) interface{} {
+			switch v := v.(*UpdateSkuResp); 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{
@@ -1033,9 +1164,9 @@ func file_product_proto_init() {
 			GoPackagePath: reflect.TypeOf(x{}).PkgPath(),
 			RawDescriptor: file_product_proto_rawDesc,
 			NumEnums:      0,
-			NumMessages:   10,
+			NumMessages:   12,
 			NumExtensions: 0,
-			NumServices:   4,
+			NumServices:   5,
 		},
 		GoTypes:           file_product_proto_goTypes,
 		DependencyIndexes: file_product_proto_depIdxs,
@@ -1046,307 +1177,3 @@ func file_product_proto_init() {
 	file_product_proto_goTypes = nil
 	file_product_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
-
-// PageClient is the client API for Page service.
-//
-// For semantics around ctx use and closing/ending streaming RPCs, please refer to https://godoc.org/google.golang.org/grpc#ClientConn.NewStream.
-type PageClient interface {
-	// rpc 服务
-	Page(ctx context.Context, in *PageReq, opts ...grpc.CallOption) (*PageResp, error)
-}
-
-type pageClient struct {
-	cc grpc.ClientConnInterface
-}
-
-func NewPageClient(cc grpc.ClientConnInterface) PageClient {
-	return &pageClient{cc}
-}
-
-func (c *pageClient) Page(ctx context.Context, in *PageReq, opts ...grpc.CallOption) (*PageResp, error) {
-	out := new(PageResp)
-	err := c.cc.Invoke(ctx, "/proto.Page/Page", in, out, opts...)
-	if err != nil {
-		return nil, err
-	}
-	return out, nil
-}
-
-// PageServer is the server API for Page service.
-type PageServer interface {
-	// rpc 服务
-	Page(context.Context, *PageReq) (*PageResp, error)
-}
-
-// UnimplementedPageServer can be embedded to have forward compatible implementations.
-type UnimplementedPageServer struct {
-}
-
-func (*UnimplementedPageServer) Page(context.Context, *PageReq) (*PageResp, error) {
-	return nil, status.Errorf(codes.Unimplemented, "method Page not implemented")
-}
-
-func RegisterPageServer(s *grpc.Server, srv PageServer) {
-	s.RegisterService(&_Page_serviceDesc, srv)
-}
-
-func _Page_Page_Handler(srv interface{}, ctx context.Context, dec func(interface{}) error, interceptor grpc.UnaryServerInterceptor) (interface{}, error) {
-	in := new(PageReq)
-	if err := dec(in); err != nil {
-		return nil, err
-	}
-	if interceptor == nil {
-		return srv.(PageServer).Page(ctx, in)
-	}
-	info := &grpc.UnaryServerInfo{
-		Server:     srv,
-		FullMethod: "/proto.Page/Page",
-	}
-	handler := func(ctx context.Context, req interface{}) (interface{}, error) {
-		return srv.(PageServer).Page(ctx, req.(*PageReq))
-	}
-	return interceptor(ctx, in, info, handler)
-}
-
-var _Page_serviceDesc = grpc.ServiceDesc{
-	ServiceName: "proto.Page",
-	HandlerType: (*PageServer)(nil),
-	Methods: []grpc.MethodDesc{
-		{
-			MethodName: "Page",
-			Handler:    _Page_Page_Handler,
-		},
-	},
-	Streams:  []grpc.StreamDesc{},
-	Metadata: "product.proto",
-}
-
-// ShowProductDetailClient is the client API for ShowProductDetail service.
-//
-// For semantics around ctx use and closing/ending streaming RPCs, please refer to https://godoc.org/google.golang.org/grpc#ClientConn.NewStream.
-type ShowProductDetailClient interface {
-	// rpc 服务
-	ShowProductDetail(ctx context.Context, in *ProductDetailReq, opts ...grpc.CallOption) (*ProductDetailResp, error)
-}
-
-type showProductDetailClient struct {
-	cc grpc.ClientConnInterface
-}
-
-func NewShowProductDetailClient(cc grpc.ClientConnInterface) ShowProductDetailClient {
-	return &showProductDetailClient{cc}
-}
-
-func (c *showProductDetailClient) ShowProductDetail(ctx context.Context, in *ProductDetailReq, opts ...grpc.CallOption) (*ProductDetailResp, error) {
-	out := new(ProductDetailResp)
-	err := c.cc.Invoke(ctx, "/proto.ShowProductDetail/ShowProductDetail", in, out, opts...)
-	if err != nil {
-		return nil, err
-	}
-	return out, nil
-}
-
-// ShowProductDetailServer is the server API for ShowProductDetail service.
-type ShowProductDetailServer interface {
-	// rpc 服务
-	ShowProductDetail(context.Context, *ProductDetailReq) (*ProductDetailResp, error)
-}
-
-// UnimplementedShowProductDetailServer can be embedded to have forward compatible implementations.
-type UnimplementedShowProductDetailServer struct {
-}
-
-func (*UnimplementedShowProductDetailServer) ShowProductDetail(context.Context, *ProductDetailReq) (*ProductDetailResp, error) {
-	return nil, status.Errorf(codes.Unimplemented, "method ShowProductDetail not implemented")
-}
-
-func RegisterShowProductDetailServer(s *grpc.Server, srv ShowProductDetailServer) {
-	s.RegisterService(&_ShowProductDetail_serviceDesc, srv)
-}
-
-func _ShowProductDetail_ShowProductDetail_Handler(srv interface{}, ctx context.Context, dec func(interface{}) error, interceptor grpc.UnaryServerInterceptor) (interface{}, error) {
-	in := new(ProductDetailReq)
-	if err := dec(in); err != nil {
-		return nil, err
-	}
-	if interceptor == nil {
-		return srv.(ShowProductDetailServer).ShowProductDetail(ctx, in)
-	}
-	info := &grpc.UnaryServerInfo{
-		Server:     srv,
-		FullMethod: "/proto.ShowProductDetail/ShowProductDetail",
-	}
-	handler := func(ctx context.Context, req interface{}) (interface{}, error) {
-		return srv.(ShowProductDetailServer).ShowProductDetail(ctx, req.(*ProductDetailReq))
-	}
-	return interceptor(ctx, in, info, handler)
-}
-
-var _ShowProductDetail_serviceDesc = grpc.ServiceDesc{
-	ServiceName: "proto.ShowProductDetail",
-	HandlerType: (*ShowProductDetailServer)(nil),
-	Methods: []grpc.MethodDesc{
-		{
-			MethodName: "ShowProductDetail",
-			Handler:    _ShowProductDetail_ShowProductDetail_Handler,
-		},
-	},
-	Streams:  []grpc.StreamDesc{},
-	Metadata: "product.proto",
-}
-
-// ShowProductSkuClient is the client API for ShowProductSku service.
-//
-// For semantics around ctx use and closing/ending streaming RPCs, please refer to https://godoc.org/google.golang.org/grpc#ClientConn.NewStream.
-type ShowProductSkuClient interface {
-	// rpc 服务
-	ShowProductSku(ctx context.Context, in *ProductSkuReq, opts ...grpc.CallOption) (*ProductSkuResp, error)
-}
-
-type showProductSkuClient struct {
-	cc grpc.ClientConnInterface
-}
-
-func NewShowProductSkuClient(cc grpc.ClientConnInterface) ShowProductSkuClient {
-	return &showProductSkuClient{cc}
-}
-
-func (c *showProductSkuClient) ShowProductSku(ctx context.Context, in *ProductSkuReq, opts ...grpc.CallOption) (*ProductSkuResp, error) {
-	out := new(ProductSkuResp)
-	err := c.cc.Invoke(ctx, "/proto.ShowProductSku/ShowProductSku", in, out, opts...)
-	if err != nil {
-		return nil, err
-	}
-	return out, nil
-}
-
-// ShowProductSkuServer is the server API for ShowProductSku service.
-type ShowProductSkuServer interface {
-	// rpc 服务
-	ShowProductSku(context.Context, *ProductSkuReq) (*ProductSkuResp, error)
-}
-
-// UnimplementedShowProductSkuServer can be embedded to have forward compatible implementations.
-type UnimplementedShowProductSkuServer struct {
-}
-
-func (*UnimplementedShowProductSkuServer) ShowProductSku(context.Context, *ProductSkuReq) (*ProductSkuResp, error) {
-	return nil, status.Errorf(codes.Unimplemented, "method ShowProductSku not implemented")
-}
-
-func RegisterShowProductSkuServer(s *grpc.Server, srv ShowProductSkuServer) {
-	s.RegisterService(&_ShowProductSku_serviceDesc, srv)
-}
-
-func _ShowProductSku_ShowProductSku_Handler(srv interface{}, ctx context.Context, dec func(interface{}) error, interceptor grpc.UnaryServerInterceptor) (interface{}, error) {
-	in := new(ProductSkuReq)
-	if err := dec(in); err != nil {
-		return nil, err
-	}
-	if interceptor == nil {
-		return srv.(ShowProductSkuServer).ShowProductSku(ctx, in)
-	}
-	info := &grpc.UnaryServerInfo{
-		Server:     srv,
-		FullMethod: "/proto.ShowProductSku/ShowProductSku",
-	}
-	handler := func(ctx context.Context, req interface{}) (interface{}, error) {
-		return srv.(ShowProductSkuServer).ShowProductSku(ctx, req.(*ProductSkuReq))
-	}
-	return interceptor(ctx, in, info, handler)
-}
-
-var _ShowProductSku_serviceDesc = grpc.ServiceDesc{
-	ServiceName: "proto.ShowProductSku",
-	HandlerType: (*ShowProductSkuServer)(nil),
-	Methods: []grpc.MethodDesc{
-		{
-			MethodName: "ShowProductSku",
-			Handler:    _ShowProductSku_ShowProductSku_Handler,
-		},
-	},
-	Streams:  []grpc.StreamDesc{},
-	Metadata: "product.proto",
-}
-
-// ShowDetailSkuClient is the client API for ShowDetailSku service.
-//
-// For semantics around ctx use and closing/ending streaming RPCs, please refer to https://godoc.org/google.golang.org/grpc#ClientConn.NewStream.
-type ShowDetailSkuClient interface {
-	// rpc 服务
-	ShowDetailSku(ctx context.Context, in *ProductDetailReq, opts ...grpc.CallOption) (*ProductSkuResp, error)
-}
-
-type showDetailSkuClient struct {
-	cc grpc.ClientConnInterface
-}
-
-func NewShowDetailSkuClient(cc grpc.ClientConnInterface) ShowDetailSkuClient {
-	return &showDetailSkuClient{cc}
-}
-
-func (c *showDetailSkuClient) ShowDetailSku(ctx context.Context, in *ProductDetailReq, opts ...grpc.CallOption) (*ProductSkuResp, error) {
-	out := new(ProductSkuResp)
-	err := c.cc.Invoke(ctx, "/proto.ShowDetailSku/ShowDetailSku", in, out, opts...)
-	if err != nil {
-		return nil, err
-	}
-	return out, nil
-}
-
-// ShowDetailSkuServer is the server API for ShowDetailSku service.
-type ShowDetailSkuServer interface {
-	// rpc 服务
-	ShowDetailSku(context.Context, *ProductDetailReq) (*ProductSkuResp, error)
-}
-
-// UnimplementedShowDetailSkuServer can be embedded to have forward compatible implementations.
-type UnimplementedShowDetailSkuServer struct {
-}
-
-func (*UnimplementedShowDetailSkuServer) ShowDetailSku(context.Context, *ProductDetailReq) (*ProductSkuResp, error) {
-	return nil, status.Errorf(codes.Unimplemented, "method ShowDetailSku not implemented")
-}
-
-func RegisterShowDetailSkuServer(s *grpc.Server, srv ShowDetailSkuServer) {
-	s.RegisterService(&_ShowDetailSku_serviceDesc, srv)
-}
-
-func _ShowDetailSku_ShowDetailSku_Handler(srv interface{}, ctx context.Context, dec func(interface{}) error, interceptor grpc.UnaryServerInterceptor) (interface{}, error) {
-	in := new(ProductDetailReq)
-	if err := dec(in); err != nil {
-		return nil, err
-	}
-	if interceptor == nil {
-		return srv.(ShowDetailSkuServer).ShowDetailSku(ctx, in)
-	}
-	info := &grpc.UnaryServerInfo{
-		Server:     srv,
-		FullMethod: "/proto.ShowDetailSku/ShowDetailSku",
-	}
-	handler := func(ctx context.Context, req interface{}) (interface{}, error) {
-		return srv.(ShowDetailSkuServer).ShowDetailSku(ctx, req.(*ProductDetailReq))
-	}
-	return interceptor(ctx, in, info, handler)
-}
-
-var _ShowDetailSku_serviceDesc = grpc.ServiceDesc{
-	ServiceName: "proto.ShowDetailSku",
-	HandlerType: (*ShowDetailSkuServer)(nil),
-	Methods: []grpc.MethodDesc{
-		{
-			MethodName: "ShowDetailSku",
-			Handler:    _ShowDetailSku_ShowDetailSku_Handler,
-		},
-	},
-	Streams:  []grpc.StreamDesc{},
-	Metadata: "product.proto",
-}
diff --git a/product-service/proto/product.pb.micro.go b/product-service/proto/product.pb.micro.go
index e94b6b4..0a2bd7f 100644
--- a/product-service/proto/product.pb.micro.go
+++ b/product-service/proto/product.pb.micro.go
@@ -270,3 +270,62 @@ type showDetailSkuHandler struct {
 func (h *showDetailSkuHandler) ShowDetailSku(ctx context.Context, in *ProductDetailReq, out *ProductSkuResp) error {
 	return h.ShowDetailSkuHandler.ShowDetailSku(ctx, in, out)
 }
+
+// Api Endpoints for UpdateSku service
+
+func NewUpdateSkuEndpoints() []*api.Endpoint {
+	return []*api.Endpoint{}
+}
+
+// Client API for UpdateSku service
+
+type UpdateSkuService interface {
+	UpdateSku(ctx context.Context, in *UpdateSkuReq, opts ...client.CallOption) (*UpdateSkuResp, error)
+}
+
+type updateSkuService struct {
+	c    client.Client
+	name string
+}
+
+func NewUpdateSkuService(name string, c client.Client) UpdateSkuService {
+	return &updateSkuService{
+		c:    c,
+		name: name,
+	}
+}
+
+func (c *updateSkuService) UpdateSku(ctx context.Context, in *UpdateSkuReq, opts ...client.CallOption) (*UpdateSkuResp, error) {
+	req := c.c.NewRequest(c.name, "UpdateSku.UpdateSku", in)
+	out := new(UpdateSkuResp)
+	err := c.c.Call(ctx, req, out, opts...)
+	if err != nil {
+		return nil, err
+	}
+	return out, nil
+}
+
+// Server API for UpdateSku service
+
+type UpdateSkuHandler interface {
+	UpdateSku(context.Context, *UpdateSkuReq, *UpdateSkuResp) error
+}
+
+func RegisterUpdateSkuHandler(s server.Server, hdlr UpdateSkuHandler, opts ...server.HandlerOption) error {
+	type updateSku interface {
+		UpdateSku(ctx context.Context, in *UpdateSkuReq, out *UpdateSkuResp) error
+	}
+	type UpdateSku struct {
+		updateSku
+	}
+	h := &updateSkuHandler{hdlr}
+	return s.Handle(s.NewHandler(&UpdateSku{h}, opts...))
+}
+
+type updateSkuHandler struct {
+	UpdateSkuHandler
+}
+
+func (h *updateSkuHandler) UpdateSku(ctx context.Context, in *UpdateSkuReq, out *UpdateSkuResp) error {
+	return h.UpdateSkuHandler.UpdateSku(ctx, in, out)
+}
diff --git a/product-service/proto/product.proto b/product-service/proto/product.proto
index e483e7a..610f7f6 100644
--- a/product-service/proto/product.proto
+++ b/product-service/proto/product.proto
@@ -150,3 +150,15 @@ service ShowDetailSku {
     //rpc 服务
     rpc ShowDetailSku (ProductDetailReq) returns (ProductSkuResp){}
 }
+
+message UpdateSkuReq{
+    ProductSku productSku = 1;
+}
+message UpdateSkuResp {
+    bool isSuccess =1;
+}
+service UpdateSku {
+    rpc UpdateSku (UpdateSkuReq) returns (UpdateSkuResp){}
+}
+
+
diff --git a/product-service/proto/user.pb.go b/product-service/proto/user.pb.go
index f7426db..d134f25 100644
--- a/product-service/proto/user.pb.go
+++ b/product-service/proto/user.pb.go
@@ -11,10 +11,6 @@
 package proto
 
 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"
@@ -420,85 +416,3 @@ func file_user_proto_init() {
 	file_user_proto_goTypes = nil
 	file_user_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
-
-// LoginClient is the client API for Login service.
-//
-// For semantics around ctx use and closing/ending streaming RPCs, please refer to https://godoc.org/google.golang.org/grpc#ClientConn.NewStream.
-type LoginClient interface {
-	// rpc 服务
-	Login(ctx context.Context, in *LoginRequest, opts ...grpc.CallOption) (*LoginResp, error)
-}
-
-type loginClient struct {
-	cc grpc.ClientConnInterface
-}
-
-func NewLoginClient(cc grpc.ClientConnInterface) LoginClient {
-	return &loginClient{cc}
-}
-
-func (c *loginClient) Login(ctx context.Context, in *LoginRequest, opts ...grpc.CallOption) (*LoginResp, error) {
-	out := new(LoginResp)
-	err := c.cc.Invoke(ctx, "/proto.Login/Login", in, out, opts...)
-	if err != nil {
-		return nil, err
-	}
-	return out, nil
-}
-
-// LoginServer is the server API for Login service.
-type LoginServer interface {
-	// rpc 服务
-	Login(context.Context, *LoginRequest) (*LoginResp, error)
-}
-
-// UnimplementedLoginServer can be embedded to have forward compatible implementations.
-type UnimplementedLoginServer struct {
-}
-
-func (*UnimplementedLoginServer) Login(context.Context, *LoginRequest) (*LoginResp, error) {
-	return nil, status.Errorf(codes.Unimplemented, "method Login not implemented")
-}
-
-func RegisterLoginServer(s *grpc.Server, srv LoginServer) {
-	s.RegisterService(&_Login_serviceDesc, srv)
-}
-
-func _Login_Login_Handler(srv interface{}, ctx context.Context, dec func(interface{}) error, interceptor grpc.UnaryServerInterceptor) (interface{}, error) {
-	in := new(LoginRequest)
-	if err := dec(in); err != nil {
-		return nil, err
-	}
-	if interceptor == nil {
-		return srv.(LoginServer).Login(ctx, in)
-	}
-	info := &grpc.UnaryServerInfo{
-		Server:     srv,
-		FullMethod: "/proto.Login/Login",
-	}
-	handler := func(ctx context.Context, req interface{}) (interface{}, error) {
-		return srv.(LoginServer).Login(ctx, req.(*LoginRequest))
-	}
-	return interceptor(ctx, in, info, handler)
-}
-
-var _Login_serviceDesc = grpc.ServiceDesc{
-	ServiceName: "proto.Login",
-	HandlerType: (*LoginServer)(nil),
-	Methods: []grpc.MethodDesc{
-		{
-			MethodName: "Login",
-			Handler:    _Login_Login_Handler,
-		},
-	},
-	Streams:  []grpc.StreamDesc{},
-	Metadata: "user.proto",
-}
diff --git a/product-service/proto/user.pb.micro.go b/product-service/proto/user.pb.micro.go
index e6c5fa3..a0dd1df 100644
--- a/product-service/proto/user.pb.micro.go
+++ b/product-service/proto/user.pb.micro.go
@@ -36,7 +36,7 @@ func NewLoginEndpoints() []*api.Endpoint {
 // Client API for Login service
 
 type LoginService interface {
-	//rpc 服务
+	// rpc 服务
 	Login(ctx context.Context, in *LoginRequest, opts ...client.CallOption) (*LoginResp, error)
 }
 
@@ -65,7 +65,7 @@ func (c *loginService) Login(ctx context.Context, in *LoginRequest, opts ...clie
 // Server API for Login service
 
 type LoginHandler interface {
-	//rpc 服务
+	// rpc 服务
 	Login(context.Context, *LoginRequest, *LoginResp) error
 }
 
diff --git a/shoppingCart-service/client/client.go b/shoppingCart-service/client/client.go
index 9be6cfd..e14b9a8 100644
--- a/shoppingCart-service/client/client.go
+++ b/shoppingCart-service/client/client.go
@@ -61,6 +61,8 @@ func main() {
 	ShowProductDetailClient := proto.NewShowProductDetailService("shop-product", rpcServer.Client())
 	ShowDetailSkuClient := proto.NewShowDetailSkuService("shop-product", rpcServer.Client())
 	GetUserTokenClient := proto.NewGetUserTokenService("shop-user", rpcServer.Client())
+	UpdateSkuClient := proto.NewUpdateSkuService("shop-product", rpcServer.Client())
+
 	//分页查询商品列表
 	router.GET("/increase", func(c *gin.Context) {
 		// "number": 0,
@@ -130,6 +132,16 @@ func main() {
 			common.RespFail(c.Writer, &proto.AddCartResp{}, "库存不足，添加失败")
 			return
 		}
+		sku := respSkuDetail.ProductSku[0]
+		sku.Stock -= req.Number
+		updateSkuReq := &proto.UpdateSkuReq{
+			ProductSku: sku,
+		}
+		respUpdate, err := UpdateSkuClient.UpdateSku(context.TODO(), updateSkuReq)
+		if err != nil {
+			log.Println(" /UpdateSkuClient  resp :", err)
+		}
+		log.Println(" /UpdateSkuClient  resp :", respUpdate.IsSuccess)
 
 		resp.ProductSkuSimple = respSkuDetail.ProductSku[0]
 		resp.ProductSimple = respDetail.ProductDetail[0]
diff --git a/shoppingCart-service/proto/cart.pb.go b/shoppingCart-service/proto/cart.pb.go
index 240b4e6..f90d72c 100644
--- a/shoppingCart-service/proto/cart.pb.go
+++ b/shoppingCart-service/proto/cart.pb.go
@@ -1132,6 +1132,101 @@ func (x *TokenResp) GetIsLogin() bool {
 	return false
 }
 
+// 修改库存
+type UpdateSkuReq struct {
+	state         protoimpl.MessageState
+	sizeCache     protoimpl.SizeCache
+	unknownFields protoimpl.UnknownFields
+
+	ProductSku *ProductSku `protobuf:"bytes,1,opt,name=productSku,proto3" json:"productSku,omitempty"`
+}
+
+func (x *UpdateSkuReq) Reset() {
+	*x = UpdateSkuReq{}
+	if protoimpl.UnsafeEnabled {
+		mi := &file_cart_proto_msgTypes[14]
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		ms.StoreMessageInfo(mi)
+	}
+}
+
+func (x *UpdateSkuReq) String() string {
+	return protoimpl.X.MessageStringOf(x)
+}
+
+func (*UpdateSkuReq) ProtoMessage() {}
+
+func (x *UpdateSkuReq) ProtoReflect() protoreflect.Message {
+	mi := &file_cart_proto_msgTypes[14]
+	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 UpdateSkuReq.ProtoReflect.Descriptor instead.
+func (*UpdateSkuReq) Descriptor() ([]byte, []int) {
+	return file_cart_proto_rawDescGZIP(), []int{14}
+}
+
+func (x *UpdateSkuReq) GetProductSku() *ProductSku {
+	if x != nil {
+		return x.ProductSku
+	}
+	return nil
+}
+
+type UpdateSkuResp struct {
+	state         protoimpl.MessageState
+	sizeCache     protoimpl.SizeCache
+	unknownFields protoimpl.UnknownFields
+
+	IsSuccess bool `protobuf:"varint,1,opt,name=isSuccess,proto3" json:"isSuccess,omitempty"`
+}
+
+func (x *UpdateSkuResp) Reset() {
+	*x = UpdateSkuResp{}
+	if protoimpl.UnsafeEnabled {
+		mi := &file_cart_proto_msgTypes[15]
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		ms.StoreMessageInfo(mi)
+	}
+}
+
+func (x *UpdateSkuResp) String() string {
+	return protoimpl.X.MessageStringOf(x)
+}
+
+func (*UpdateSkuResp) ProtoMessage() {}
+
+func (x *UpdateSkuResp) ProtoReflect() protoreflect.Message {
+	mi := &file_cart_proto_msgTypes[15]
+	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 UpdateSkuResp.ProtoReflect.Descriptor instead.
+func (*UpdateSkuResp) Descriptor() ([]byte, []int) {
+	return file_cart_proto_rawDescGZIP(), []int{15}
+}
+
+func (x *UpdateSkuResp) GetIsSuccess() bool {
+	if x != nil {
+		return x.IsSuccess
+	}
+	return false
+}
+
 var File_cart_proto protoreflect.FileDescriptor
 
 var file_cart_proto_rawDesc = []byte{
@@ -1281,36 +1376,47 @@ var file_cart_proto_rawDesc = []byte{
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 }
 
 var (
@@ -1325,7 +1431,7 @@ func file_cart_proto_rawDescGZIP() []byte {
 	return file_cart_proto_rawDescData
 }
 
-var file_cart_proto_msgTypes = make([]protoimpl.MessageInfo, 15)
+var file_cart_proto_msgTypes = make([]protoimpl.MessageInfo, 17)
 var file_cart_proto_goTypes = []interface{}{
 	(*ShoppingCart)(nil),      // 0: proto.ShoppingCart
 	(*AddCartReq)(nil),        // 1: proto.AddCartReq
@@ -1341,32 +1447,37 @@ var file_cart_proto_goTypes = []interface{}{
 	(*ProductSkuResp)(nil),    // 11: proto.ProductSkuResp
 	(*TokenReq)(nil),          // 12: proto.TokenReq
 	(*TokenResp)(nil),         // 13: proto.TokenResp
-	nil,                       // 14: proto.Product.LabelListEntry
+	(*UpdateSkuReq)(nil),      // 14: proto.UpdateSkuReq
+	(*UpdateSkuResp)(nil),     // 15: proto.UpdateSkuResp
+	nil,                       // 16: proto.Product.LabelListEntry
 }
 var file_cart_proto_depIdxs = []int32{
 	6,  // 0: proto.AddCartResp.productSimple:type_name -> proto.ProductDetail
 	9,  // 1: proto.AddCartResp.productSkuSimple:type_name -> proto.ProductSku
-	14, // 2: proto.Product.labelList:type_name -> proto.Product.LabelListEntry
+	16, // 2: proto.Product.labelList:type_name -> proto.Product.LabelListEntry
 	3,  // 3: proto.PageResp.product:type_name -> proto.Product
 	6,  // 4: proto.ProductDetailResp.productDetail:type_name -> proto.ProductDetail
 	9,  // 5: proto.ProductSkuResp.productSku:type_name -> proto.ProductSku
-	1,  // 6: proto.AddCart.AddCart:input_type -> proto.AddCartReq
-	4,  // 7: proto.Page.Page:input_type -> proto.PageReq
-	7,  // 8: proto.ShowProductDetail.ShowProductDetail:input_type -> proto.ProductDetailReq
-	10, // 9: proto.ShowProductSku.ShowProductSku:input_type -> proto.ProductSkuReq
-	7,  // 10: proto.ShowDetailSku.ShowDetailSku:input_type -> proto.ProductDetailReq
-	12, // 11: proto.GetUserToken.GetUserToken:input_type -> proto.TokenReq
-	2,  // 12: proto.AddCart.AddCart:output_type -> proto.AddCartResp
-	5,  // 13: proto.Page.Page:output_type -> proto.PageResp
-	8,  // 14: proto.ShowProductDetail.ShowProductDetail:output_type -> proto.ProductDetailResp
-	11, // 15: proto.ShowProductSku.ShowProductSku:output_type -> proto.ProductSkuResp
-	11, // 16: proto.ShowDetailSku.ShowDetailSku:output_type -> proto.ProductSkuResp
-	13, // 17: proto.GetUserToken.GetUserToken:output_type -> proto.TokenResp
-	12, // [12:18] is the sub-list for method output_type
-	6,  // [6:12] is the sub-list for method input_type
-	6,  // [6:6] is the sub-list for extension type_name
-	6,  // [6:6] is the sub-list for extension extendee
-	0,  // [0:6] is the sub-list for field type_name
+	9,  // 6: proto.UpdateSkuReq.productSku:type_name -> proto.ProductSku
+	1,  // 7: proto.AddCart.AddCart:input_type -> proto.AddCartReq
+	4,  // 8: proto.Page.Page:input_type -> proto.PageReq
+	7,  // 9: proto.ShowProductDetail.ShowProductDetail:input_type -> proto.ProductDetailReq
+	10, // 10: proto.ShowProductSku.ShowProductSku:input_type -> proto.ProductSkuReq
+	7,  // 11: proto.ShowDetailSku.ShowDetailSku:input_type -> proto.ProductDetailReq
+	12, // 12: proto.GetUserToken.GetUserToken:input_type -> proto.TokenReq
+	14, // 13: proto.UpdateSku.UpdateSku:input_type -> proto.UpdateSkuReq
+	2,  // 14: proto.AddCart.AddCart:output_type -> proto.AddCartResp
+	5,  // 15: proto.Page.Page:output_type -> proto.PageResp
+	8,  // 16: proto.ShowProductDetail.ShowProductDetail:output_type -> proto.ProductDetailResp
+	11, // 17: proto.ShowProductSku.ShowProductSku:output_type -> proto.ProductSkuResp
+	11, // 18: proto.ShowDetailSku.ShowDetailSku:output_type -> proto.ProductSkuResp
+	13, // 19: proto.GetUserToken.GetUserToken:output_type -> proto.TokenResp
+	15, // 20: proto.UpdateSku.UpdateSku:output_type -> proto.UpdateSkuResp
+	14, // [14:21] is the sub-list for method output_type
+	7,  // [7:14] is the sub-list for method input_type
+	7,  // [7:7] is the sub-list for extension type_name
+	7,  // [7:7] is the sub-list for extension extendee
+	0,  // [0:7] is the sub-list for field type_name
 }
 
 func init() { file_cart_proto_init() }
@@ -1543,6 +1654,30 @@ func file_cart_proto_init() {
 				return nil
 			}
 		}
+		file_cart_proto_msgTypes[14].Exporter = func(v interface{}, i int) interface{} {
+			switch v := v.(*UpdateSkuReq); i {
+			case 0:
+				return &v.state
+			case 1:
+				return &v.sizeCache
+			case 2:
+				return &v.unknownFields
+			default:
+				return nil
+			}
+		}
+		file_cart_proto_msgTypes[15].Exporter = func(v interface{}, i int) interface{} {
+			switch v := v.(*UpdateSkuResp); 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{
@@ -1550,9 +1685,9 @@ func file_cart_proto_init() {
 			GoPackagePath: reflect.TypeOf(x{}).PkgPath(),
 			RawDescriptor: file_cart_proto_rawDesc,
 			NumEnums:      0,
-			NumMessages:   15,
+			NumMessages:   17,
 			NumExtensions: 0,
-			NumServices:   6,
+			NumServices:   7,
 		},
 		GoTypes:           file_cart_proto_goTypes,
 		DependencyIndexes: file_cart_proto_depIdxs,
diff --git a/shoppingCart-service/proto/cart.pb.micro.go b/shoppingCart-service/proto/cart.pb.micro.go
index eda1a72..ead1969 100644
--- a/shoppingCart-service/proto/cart.pb.micro.go
+++ b/shoppingCart-service/proto/cart.pb.micro.go
@@ -392,3 +392,62 @@ type getUserTokenHandler struct {
 func (h *getUserTokenHandler) GetUserToken(ctx context.Context, in *TokenReq, out *TokenResp) error {
 	return h.GetUserTokenHandler.GetUserToken(ctx, in, out)
 }
+
+// Api Endpoints for UpdateSku service
+
+func NewUpdateSkuEndpoints() []*api.Endpoint {
+	return []*api.Endpoint{}
+}
+
+// Client API for UpdateSku service
+
+type UpdateSkuService interface {
+	UpdateSku(ctx context.Context, in *UpdateSkuReq, opts ...client.CallOption) (*UpdateSkuResp, error)
+}
+
+type updateSkuService struct {
+	c    client.Client
+	name string
+}
+
+func NewUpdateSkuService(name string, c client.Client) UpdateSkuService {
+	return &updateSkuService{
+		c:    c,
+		name: name,
+	}
+}
+
+func (c *updateSkuService) UpdateSku(ctx context.Context, in *UpdateSkuReq, opts ...client.CallOption) (*UpdateSkuResp, error) {
+	req := c.c.NewRequest(c.name, "UpdateSku.UpdateSku", in)
+	out := new(UpdateSkuResp)
+	err := c.c.Call(ctx, req, out, opts...)
+	if err != nil {
+		return nil, err
+	}
+	return out, nil
+}
+
+// Server API for UpdateSku service
+
+type UpdateSkuHandler interface {
+	UpdateSku(context.Context, *UpdateSkuReq, *UpdateSkuResp) error
+}
+
+func RegisterUpdateSkuHandler(s server.Server, hdlr UpdateSkuHandler, opts ...server.HandlerOption) error {
+	type updateSku interface {
+		UpdateSku(ctx context.Context, in *UpdateSkuReq, out *UpdateSkuResp) error
+	}
+	type UpdateSku struct {
+		updateSku
+	}
+	h := &updateSkuHandler{hdlr}
+	return s.Handle(s.NewHandler(&UpdateSku{h}, opts...))
+}
+
+type updateSkuHandler struct {
+	UpdateSkuHandler
+}
+
+func (h *updateSkuHandler) UpdateSku(ctx context.Context, in *UpdateSkuReq, out *UpdateSkuResp) error {
+	return h.UpdateSkuHandler.UpdateSku(ctx, in, out)
+}
diff --git a/shoppingCart-service/proto/cart.proto b/shoppingCart-service/proto/cart.proto
index 90110be..2f0cacb 100644
--- a/shoppingCart-service/proto/cart.proto
+++ b/shoppingCart-service/proto/cart.proto
@@ -228,4 +228,15 @@ message TokenResp{
 service GetUserToken {
     //rpc 服务
     rpc GetUserToken (TokenReq) returns (TokenResp){}
-}
\ No newline at end of file
+}
+
+//修改库存
+message UpdateSkuReq{
+    ProductSku productSku = 1;
+}
+message UpdateSkuResp {
+    bool isSuccess =1;
+}
+service UpdateSku {
+    rpc UpdateSku (UpdateSkuReq) returns (UpdateSkuResp){}
+}