diff --git a/cmd/protoc-gen-go-http/go.sum b/cmd/protoc-gen-go-http/go.sum
index 5c131b17e..95c326d43 100644
--- a/cmd/protoc-gen-go-http/go.sum
+++ b/cmd/protoc-gen-go-http/go.sum
@@ -9,6 +9,7 @@ github.com/envoyproxy/go-control-plane v0.9.1-0.20191026205805-5f8ba28d4473/go.m
 github.com/envoyproxy/go-control-plane v0.9.9-0.20201210154907-fd9021fe5dad/go.mod h1:cXg6YxExXjJnVBQHBLXeUAgxn2UodCpnH306RInaBQk=
 github.com/envoyproxy/protoc-gen-validate v0.1.0/go.mod h1:iSmxcyjqTsJpI2R4NaDN7+kN2VEUnK/pcBlmesArF7c=
 github.com/fsnotify/fsnotify v1.4.9/go.mod h1:znqG4EE+3YCdAaPaxE2ZRY/06pZUdp0tY4IgpuI1SZQ=
+github.com/go-kratos/kratos/v2 v2.0.0-20210305104106-278210c4755a/go.mod h1:oLvFyDBJkkWN8TPqb+NmpvRrSy9uM/K+XQubVRc11a8=
 github.com/go-kratos/kratos/v2 v2.0.0-alpha5 h1:lewh/J44ua+EFTTdjQ9F6+yVGzV8GBFi177aPHZyJCw=
 github.com/go-kratos/kratos/v2 v2.0.0-alpha5/go.mod h1:oLvFyDBJkkWN8TPqb+NmpvRrSy9uM/K+XQubVRc11a8=
 github.com/golang/glog v0.0.0-20160126235308-23def4e6c14b/go.mod h1:SBH7ygxi8pfUlaOkMMuAQtPIUF8ecWP5IEl/CR7VP2Q=
diff --git a/examples/blog/Makefile b/examples/blog/Makefile
index 7f4338f1d..b64607e5d 100644
--- a/examples/blog/Makefile
+++ b/examples/blog/Makefile
@@ -32,14 +32,14 @@ run:
 ent:
 	cd internal/data/ && ent generate ./ent/schema
 
+.PHONY: generate
+generate:
+	go generate ./...
+
 .PHONY: build
 build:
 	mkdir -p bin/ && go build -ldflags "-X main.Version=$(VERSION)" -o ./bin/ ./...
 
-.PHONY: wire
-wire:
-	cd cmd/blog/ && wire
-
 .PHONY: test
 test:
 	go test -v ./... -cover
diff --git a/examples/blog/api/blog/v1/blog.pb.go b/examples/blog/api/blog/v1/blog.pb.go
index 36490a1b3..2e1cba7aa 100644
--- a/examples/blog/api/blog/v1/blog.pb.go
+++ b/examples/blog/api/blog/v1/blog.pb.go
@@ -1,8 +1,8 @@
 // Code generated by protoc-gen-go. DO NOT EDIT.
 // versions:
-// 	protoc-gen-go v1.25.0
-// 	protoc        v3.13.0
-// source: api/blog/v1/blog.proto
+// 	protoc-gen-go v1.25.0-devel
+// 	protoc        v3.6.1
+// source: blog.proto
 
 package v1
 
@@ -40,7 +40,7 @@ type Article struct {
 func (x *Article) Reset() {
 	*x = Article{}
 	if protoimpl.UnsafeEnabled {
-		mi := &file_api_blog_v1_blog_proto_msgTypes[0]
+		mi := &file_blog_proto_msgTypes[0]
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		ms.StoreMessageInfo(mi)
 	}
@@ -53,7 +53,7 @@ func (x *Article) String() string {
 func (*Article) ProtoMessage() {}
 
 func (x *Article) ProtoReflect() protoreflect.Message {
-	mi := &file_api_blog_v1_blog_proto_msgTypes[0]
+	mi := &file_blog_proto_msgTypes[0]
 	if protoimpl.UnsafeEnabled && x != nil {
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		if ms.LoadMessageInfo() == nil {
@@ -66,7 +66,7 @@ func (x *Article) ProtoReflect() protoreflect.Message {
 
 // Deprecated: Use Article.ProtoReflect.Descriptor instead.
 func (*Article) Descriptor() ([]byte, []int) {
-	return file_api_blog_v1_blog_proto_rawDescGZIP(), []int{0}
+	return file_blog_proto_rawDescGZIP(), []int{0}
 }
 
 func (x *Article) GetId() int64 {
@@ -109,7 +109,7 @@ type CreateArticleRequest struct {
 func (x *CreateArticleRequest) Reset() {
 	*x = CreateArticleRequest{}
 	if protoimpl.UnsafeEnabled {
-		mi := &file_api_blog_v1_blog_proto_msgTypes[1]
+		mi := &file_blog_proto_msgTypes[1]
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		ms.StoreMessageInfo(mi)
 	}
@@ -122,7 +122,7 @@ func (x *CreateArticleRequest) String() string {
 func (*CreateArticleRequest) ProtoMessage() {}
 
 func (x *CreateArticleRequest) ProtoReflect() protoreflect.Message {
-	mi := &file_api_blog_v1_blog_proto_msgTypes[1]
+	mi := &file_blog_proto_msgTypes[1]
 	if protoimpl.UnsafeEnabled && x != nil {
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		if ms.LoadMessageInfo() == nil {
@@ -135,7 +135,7 @@ func (x *CreateArticleRequest) ProtoReflect() protoreflect.Message {
 
 // Deprecated: Use CreateArticleRequest.ProtoReflect.Descriptor instead.
 func (*CreateArticleRequest) Descriptor() ([]byte, []int) {
-	return file_api_blog_v1_blog_proto_rawDescGZIP(), []int{1}
+	return file_blog_proto_rawDescGZIP(), []int{1}
 }
 
 func (x *CreateArticleRequest) GetTitle() string {
@@ -163,7 +163,7 @@ type CreateArticleReply struct {
 func (x *CreateArticleReply) Reset() {
 	*x = CreateArticleReply{}
 	if protoimpl.UnsafeEnabled {
-		mi := &file_api_blog_v1_blog_proto_msgTypes[2]
+		mi := &file_blog_proto_msgTypes[2]
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		ms.StoreMessageInfo(mi)
 	}
@@ -176,7 +176,7 @@ func (x *CreateArticleReply) String() string {
 func (*CreateArticleReply) ProtoMessage() {}
 
 func (x *CreateArticleReply) ProtoReflect() protoreflect.Message {
-	mi := &file_api_blog_v1_blog_proto_msgTypes[2]
+	mi := &file_blog_proto_msgTypes[2]
 	if protoimpl.UnsafeEnabled && x != nil {
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		if ms.LoadMessageInfo() == nil {
@@ -189,7 +189,7 @@ func (x *CreateArticleReply) ProtoReflect() protoreflect.Message {
 
 // Deprecated: Use CreateArticleReply.ProtoReflect.Descriptor instead.
 func (*CreateArticleReply) Descriptor() ([]byte, []int) {
-	return file_api_blog_v1_blog_proto_rawDescGZIP(), []int{2}
+	return file_blog_proto_rawDescGZIP(), []int{2}
 }
 
 func (x *CreateArticleReply) GetArticle() *Article {
@@ -212,7 +212,7 @@ type UpdateArticleRequest struct {
 func (x *UpdateArticleRequest) Reset() {
 	*x = UpdateArticleRequest{}
 	if protoimpl.UnsafeEnabled {
-		mi := &file_api_blog_v1_blog_proto_msgTypes[3]
+		mi := &file_blog_proto_msgTypes[3]
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		ms.StoreMessageInfo(mi)
 	}
@@ -225,7 +225,7 @@ func (x *UpdateArticleRequest) String() string {
 func (*UpdateArticleRequest) ProtoMessage() {}
 
 func (x *UpdateArticleRequest) ProtoReflect() protoreflect.Message {
-	mi := &file_api_blog_v1_blog_proto_msgTypes[3]
+	mi := &file_blog_proto_msgTypes[3]
 	if protoimpl.UnsafeEnabled && x != nil {
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		if ms.LoadMessageInfo() == nil {
@@ -238,7 +238,7 @@ func (x *UpdateArticleRequest) ProtoReflect() protoreflect.Message {
 
 // Deprecated: Use UpdateArticleRequest.ProtoReflect.Descriptor instead.
 func (*UpdateArticleRequest) Descriptor() ([]byte, []int) {
-	return file_api_blog_v1_blog_proto_rawDescGZIP(), []int{3}
+	return file_blog_proto_rawDescGZIP(), []int{3}
 }
 
 func (x *UpdateArticleRequest) GetId() int64 {
@@ -273,7 +273,7 @@ type UpdateArticleReply struct {
 func (x *UpdateArticleReply) Reset() {
 	*x = UpdateArticleReply{}
 	if protoimpl.UnsafeEnabled {
-		mi := &file_api_blog_v1_blog_proto_msgTypes[4]
+		mi := &file_blog_proto_msgTypes[4]
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		ms.StoreMessageInfo(mi)
 	}
@@ -286,7 +286,7 @@ func (x *UpdateArticleReply) String() string {
 func (*UpdateArticleReply) ProtoMessage() {}
 
 func (x *UpdateArticleReply) ProtoReflect() protoreflect.Message {
-	mi := &file_api_blog_v1_blog_proto_msgTypes[4]
+	mi := &file_blog_proto_msgTypes[4]
 	if protoimpl.UnsafeEnabled && x != nil {
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		if ms.LoadMessageInfo() == nil {
@@ -299,7 +299,7 @@ func (x *UpdateArticleReply) ProtoReflect() protoreflect.Message {
 
 // Deprecated: Use UpdateArticleReply.ProtoReflect.Descriptor instead.
 func (*UpdateArticleReply) Descriptor() ([]byte, []int) {
-	return file_api_blog_v1_blog_proto_rawDescGZIP(), []int{4}
+	return file_blog_proto_rawDescGZIP(), []int{4}
 }
 
 func (x *UpdateArticleReply) GetArticle() *Article {
@@ -320,7 +320,7 @@ type DeleteArticleRequest struct {
 func (x *DeleteArticleRequest) Reset() {
 	*x = DeleteArticleRequest{}
 	if protoimpl.UnsafeEnabled {
-		mi := &file_api_blog_v1_blog_proto_msgTypes[5]
+		mi := &file_blog_proto_msgTypes[5]
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		ms.StoreMessageInfo(mi)
 	}
@@ -333,7 +333,7 @@ func (x *DeleteArticleRequest) String() string {
 func (*DeleteArticleRequest) ProtoMessage() {}
 
 func (x *DeleteArticleRequest) ProtoReflect() protoreflect.Message {
-	mi := &file_api_blog_v1_blog_proto_msgTypes[5]
+	mi := &file_blog_proto_msgTypes[5]
 	if protoimpl.UnsafeEnabled && x != nil {
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		if ms.LoadMessageInfo() == nil {
@@ -346,7 +346,7 @@ func (x *DeleteArticleRequest) ProtoReflect() protoreflect.Message {
 
 // Deprecated: Use DeleteArticleRequest.ProtoReflect.Descriptor instead.
 func (*DeleteArticleRequest) Descriptor() ([]byte, []int) {
-	return file_api_blog_v1_blog_proto_rawDescGZIP(), []int{5}
+	return file_blog_proto_rawDescGZIP(), []int{5}
 }
 
 func (x *DeleteArticleRequest) GetId() int64 {
@@ -365,7 +365,7 @@ type DeleteArticleReply struct {
 func (x *DeleteArticleReply) Reset() {
 	*x = DeleteArticleReply{}
 	if protoimpl.UnsafeEnabled {
-		mi := &file_api_blog_v1_blog_proto_msgTypes[6]
+		mi := &file_blog_proto_msgTypes[6]
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		ms.StoreMessageInfo(mi)
 	}
@@ -378,7 +378,7 @@ func (x *DeleteArticleReply) String() string {
 func (*DeleteArticleReply) ProtoMessage() {}
 
 func (x *DeleteArticleReply) ProtoReflect() protoreflect.Message {
-	mi := &file_api_blog_v1_blog_proto_msgTypes[6]
+	mi := &file_blog_proto_msgTypes[6]
 	if protoimpl.UnsafeEnabled && x != nil {
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		if ms.LoadMessageInfo() == nil {
@@ -391,7 +391,7 @@ func (x *DeleteArticleReply) ProtoReflect() protoreflect.Message {
 
 // Deprecated: Use DeleteArticleReply.ProtoReflect.Descriptor instead.
 func (*DeleteArticleReply) Descriptor() ([]byte, []int) {
-	return file_api_blog_v1_blog_proto_rawDescGZIP(), []int{6}
+	return file_blog_proto_rawDescGZIP(), []int{6}
 }
 
 type GetArticleRequest struct {
@@ -405,7 +405,7 @@ type GetArticleRequest struct {
 func (x *GetArticleRequest) Reset() {
 	*x = GetArticleRequest{}
 	if protoimpl.UnsafeEnabled {
-		mi := &file_api_blog_v1_blog_proto_msgTypes[7]
+		mi := &file_blog_proto_msgTypes[7]
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		ms.StoreMessageInfo(mi)
 	}
@@ -418,7 +418,7 @@ func (x *GetArticleRequest) String() string {
 func (*GetArticleRequest) ProtoMessage() {}
 
 func (x *GetArticleRequest) ProtoReflect() protoreflect.Message {
-	mi := &file_api_blog_v1_blog_proto_msgTypes[7]
+	mi := &file_blog_proto_msgTypes[7]
 	if protoimpl.UnsafeEnabled && x != nil {
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		if ms.LoadMessageInfo() == nil {
@@ -431,7 +431,7 @@ func (x *GetArticleRequest) ProtoReflect() protoreflect.Message {
 
 // Deprecated: Use GetArticleRequest.ProtoReflect.Descriptor instead.
 func (*GetArticleRequest) Descriptor() ([]byte, []int) {
-	return file_api_blog_v1_blog_proto_rawDescGZIP(), []int{7}
+	return file_blog_proto_rawDescGZIP(), []int{7}
 }
 
 func (x *GetArticleRequest) GetId() int64 {
@@ -452,7 +452,7 @@ type GetArticleReply struct {
 func (x *GetArticleReply) Reset() {
 	*x = GetArticleReply{}
 	if protoimpl.UnsafeEnabled {
-		mi := &file_api_blog_v1_blog_proto_msgTypes[8]
+		mi := &file_blog_proto_msgTypes[8]
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		ms.StoreMessageInfo(mi)
 	}
@@ -465,7 +465,7 @@ func (x *GetArticleReply) String() string {
 func (*GetArticleReply) ProtoMessage() {}
 
 func (x *GetArticleReply) ProtoReflect() protoreflect.Message {
-	mi := &file_api_blog_v1_blog_proto_msgTypes[8]
+	mi := &file_blog_proto_msgTypes[8]
 	if protoimpl.UnsafeEnabled && x != nil {
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		if ms.LoadMessageInfo() == nil {
@@ -478,7 +478,7 @@ func (x *GetArticleReply) ProtoReflect() protoreflect.Message {
 
 // Deprecated: Use GetArticleReply.ProtoReflect.Descriptor instead.
 func (*GetArticleReply) Descriptor() ([]byte, []int) {
-	return file_api_blog_v1_blog_proto_rawDescGZIP(), []int{8}
+	return file_blog_proto_rawDescGZIP(), []int{8}
 }
 
 func (x *GetArticleReply) GetArticle() *Article {
@@ -497,7 +497,7 @@ type ListArticleRequest struct {
 func (x *ListArticleRequest) Reset() {
 	*x = ListArticleRequest{}
 	if protoimpl.UnsafeEnabled {
-		mi := &file_api_blog_v1_blog_proto_msgTypes[9]
+		mi := &file_blog_proto_msgTypes[9]
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		ms.StoreMessageInfo(mi)
 	}
@@ -510,7 +510,7 @@ func (x *ListArticleRequest) String() string {
 func (*ListArticleRequest) ProtoMessage() {}
 
 func (x *ListArticleRequest) ProtoReflect() protoreflect.Message {
-	mi := &file_api_blog_v1_blog_proto_msgTypes[9]
+	mi := &file_blog_proto_msgTypes[9]
 	if protoimpl.UnsafeEnabled && x != nil {
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		if ms.LoadMessageInfo() == nil {
@@ -523,7 +523,7 @@ func (x *ListArticleRequest) ProtoReflect() protoreflect.Message {
 
 // Deprecated: Use ListArticleRequest.ProtoReflect.Descriptor instead.
 func (*ListArticleRequest) Descriptor() ([]byte, []int) {
-	return file_api_blog_v1_blog_proto_rawDescGZIP(), []int{9}
+	return file_blog_proto_rawDescGZIP(), []int{9}
 }
 
 type ListArticleReply struct {
@@ -537,7 +537,7 @@ type ListArticleReply struct {
 func (x *ListArticleReply) Reset() {
 	*x = ListArticleReply{}
 	if protoimpl.UnsafeEnabled {
-		mi := &file_api_blog_v1_blog_proto_msgTypes[10]
+		mi := &file_blog_proto_msgTypes[10]
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		ms.StoreMessageInfo(mi)
 	}
@@ -550,7 +550,7 @@ func (x *ListArticleReply) String() string {
 func (*ListArticleReply) ProtoMessage() {}
 
 func (x *ListArticleReply) ProtoReflect() protoreflect.Message {
-	mi := &file_api_blog_v1_blog_proto_msgTypes[10]
+	mi := &file_blog_proto_msgTypes[10]
 	if protoimpl.UnsafeEnabled && x != nil {
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		if ms.LoadMessageInfo() == nil {
@@ -563,7 +563,7 @@ func (x *ListArticleReply) ProtoReflect() protoreflect.Message {
 
 // Deprecated: Use ListArticleReply.ProtoReflect.Descriptor instead.
 func (*ListArticleReply) Descriptor() ([]byte, []int) {
-	return file_api_blog_v1_blog_proto_rawDescGZIP(), []int{10}
+	return file_blog_proto_rawDescGZIP(), []int{10}
 }
 
 func (x *ListArticleReply) GetResults() []*Article {
@@ -573,104 +573,104 @@ func (x *ListArticleReply) GetResults() []*Article {
 	return nil
 }
 
-var File_api_blog_v1_blog_proto protoreflect.FileDescriptor
+var File_blog_proto protoreflect.FileDescriptor
 
-var file_api_blog_v1_blog_proto_rawDesc = []byte{
-	0x0a, 0x16, 0x61, 0x70, 0x69, 0x2f, 0x62, 0x6c, 0x6f, 0x67, 0x2f, 0x76, 0x31, 0x2f, 0x62, 0x6c,
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+	0x74, 0x69, 0x63, 0x6c, 0x65, 0x12, 0x1a, 0x2e, 0x61, 0x70, 0x69, 0x2e, 0x76, 0x31, 0x2e, 0x4c,
+	0x69, 0x73, 0x74, 0x41, 0x72, 0x74, 0x69, 0x63, 0x6c, 0x65, 0x52, 0x65, 0x71, 0x75, 0x65, 0x73,
+	0x74, 0x1a, 0x18, 0x2e, 0x61, 0x70, 0x69, 0x2e, 0x76, 0x31, 0x2e, 0x4c, 0x69, 0x73, 0x74, 0x41,
+	0x72, 0x74, 0x69, 0x63, 0x6c, 0x65, 0x52, 0x65, 0x70, 0x6c, 0x79, 0x22, 0x14, 0x82, 0xd3, 0xe4,
+	0x93, 0x02, 0x0e, 0x12, 0x0c, 0x2f, 0x76, 0x31, 0x2f, 0x61, 0x72, 0x74, 0x69, 0x63, 0x6c, 0x65,
+	0x2f, 0x42, 0x3f, 0x0a, 0x06, 0x61, 0x70, 0x69, 0x2e, 0x76, 0x31, 0x50, 0x01, 0x5a, 0x33, 0x67,
+	0x69, 0x74, 0x68, 0x75, 0x62, 0x2e, 0x63, 0x6f, 0x6d, 0x2f, 0x67, 0x6f, 0x2d, 0x6b, 0x72, 0x61,
+	0x74, 0x6f, 0x73, 0x2f, 0x6b, 0x72, 0x61, 0x74, 0x6f, 0x73, 0x2f, 0x65, 0x78, 0x61, 0x6d, 0x70,
+	0x6c, 0x65, 0x73, 0x2f, 0x62, 0x6c, 0x6f, 0x67, 0x2f, 0x61, 0x70, 0x69, 0x2f, 0x76, 0x31, 0x3b,
+	0x76, 0x31, 0x62, 0x06, 0x70, 0x72, 0x6f, 0x74, 0x6f, 0x33,
 }
 
 var (
-	file_api_blog_v1_blog_proto_rawDescOnce sync.Once
-	file_api_blog_v1_blog_proto_rawDescData = file_api_blog_v1_blog_proto_rawDesc
+	file_blog_proto_rawDescOnce sync.Once
+	file_blog_proto_rawDescData = file_blog_proto_rawDesc
 )
 
-func file_api_blog_v1_blog_proto_rawDescGZIP() []byte {
-	file_api_blog_v1_blog_proto_rawDescOnce.Do(func() {
-		file_api_blog_v1_blog_proto_rawDescData = protoimpl.X.CompressGZIP(file_api_blog_v1_blog_proto_rawDescData)
+func file_blog_proto_rawDescGZIP() []byte {
+	file_blog_proto_rawDescOnce.Do(func() {
+		file_blog_proto_rawDescData = protoimpl.X.CompressGZIP(file_blog_proto_rawDescData)
 	})
-	return file_api_blog_v1_blog_proto_rawDescData
+	return file_blog_proto_rawDescData
 }
 
-var file_api_blog_v1_blog_proto_msgTypes = make([]protoimpl.MessageInfo, 11)
-var file_api_blog_v1_blog_proto_goTypes = []interface{}{
+var file_blog_proto_msgTypes = make([]protoimpl.MessageInfo, 11)
+var file_blog_proto_goTypes = []interface{}{
 	(*Article)(nil),              // 0: api.v1.Article
 	(*CreateArticleRequest)(nil), // 1: api.v1.CreateArticleRequest
 	(*CreateArticleReply)(nil),   // 2: api.v1.CreateArticleReply
@@ -683,7 +683,7 @@ var file_api_blog_v1_blog_proto_goTypes = []interface{}{
 	(*ListArticleRequest)(nil),   // 9: api.v1.ListArticleRequest
 	(*ListArticleReply)(nil),     // 10: api.v1.ListArticleReply
 }
-var file_api_blog_v1_blog_proto_depIdxs = []int32{
+var file_blog_proto_depIdxs = []int32{
 	0,  // 0: api.v1.CreateArticleReply.Article:type_name -> api.v1.Article
 	0,  // 1: api.v1.UpdateArticleReply.Article:type_name -> api.v1.Article
 	0,  // 2: api.v1.GetArticleReply.Article:type_name -> api.v1.Article
@@ -705,13 +705,13 @@ var file_api_blog_v1_blog_proto_depIdxs = []int32{
 	0,  // [0:4] is the sub-list for field type_name
 }
 
-func init() { file_api_blog_v1_blog_proto_init() }
-func file_api_blog_v1_blog_proto_init() {
-	if File_api_blog_v1_blog_proto != nil {
+func init() { file_blog_proto_init() }
+func file_blog_proto_init() {
+	if File_blog_proto != nil {
 		return
 	}
 	if !protoimpl.UnsafeEnabled {
-		file_api_blog_v1_blog_proto_msgTypes[0].Exporter = func(v interface{}, i int) interface{} {
+		file_blog_proto_msgTypes[0].Exporter = func(v interface{}, i int) interface{} {
 			switch v := v.(*Article); i {
 			case 0:
 				return &v.state
@@ -723,7 +723,7 @@ func file_api_blog_v1_blog_proto_init() {
 				return nil
 			}
 		}
-		file_api_blog_v1_blog_proto_msgTypes[1].Exporter = func(v interface{}, i int) interface{} {
+		file_blog_proto_msgTypes[1].Exporter = func(v interface{}, i int) interface{} {
 			switch v := v.(*CreateArticleRequest); i {
 			case 0:
 				return &v.state
@@ -735,7 +735,7 @@ func file_api_blog_v1_blog_proto_init() {
 				return nil
 			}
 		}
-		file_api_blog_v1_blog_proto_msgTypes[2].Exporter = func(v interface{}, i int) interface{} {
+		file_blog_proto_msgTypes[2].Exporter = func(v interface{}, i int) interface{} {
 			switch v := v.(*CreateArticleReply); i {
 			case 0:
 				return &v.state
@@ -747,7 +747,7 @@ func file_api_blog_v1_blog_proto_init() {
 				return nil
 			}
 		}
-		file_api_blog_v1_blog_proto_msgTypes[3].Exporter = func(v interface{}, i int) interface{} {
+		file_blog_proto_msgTypes[3].Exporter = func(v interface{}, i int) interface{} {
 			switch v := v.(*UpdateArticleRequest); i {
 			case 0:
 				return &v.state
@@ -759,7 +759,7 @@ func file_api_blog_v1_blog_proto_init() {
 				return nil
 			}
 		}
-		file_api_blog_v1_blog_proto_msgTypes[4].Exporter = func(v interface{}, i int) interface{} {
+		file_blog_proto_msgTypes[4].Exporter = func(v interface{}, i int) interface{} {
 			switch v := v.(*UpdateArticleReply); i {
 			case 0:
 				return &v.state
@@ -771,7 +771,7 @@ func file_api_blog_v1_blog_proto_init() {
 				return nil
 			}
 		}
-		file_api_blog_v1_blog_proto_msgTypes[5].Exporter = func(v interface{}, i int) interface{} {
+		file_blog_proto_msgTypes[5].Exporter = func(v interface{}, i int) interface{} {
 			switch v := v.(*DeleteArticleRequest); i {
 			case 0:
 				return &v.state
@@ -783,7 +783,7 @@ func file_api_blog_v1_blog_proto_init() {
 				return nil
 			}
 		}
-		file_api_blog_v1_blog_proto_msgTypes[6].Exporter = func(v interface{}, i int) interface{} {
+		file_blog_proto_msgTypes[6].Exporter = func(v interface{}, i int) interface{} {
 			switch v := v.(*DeleteArticleReply); i {
 			case 0:
 				return &v.state
@@ -795,7 +795,7 @@ func file_api_blog_v1_blog_proto_init() {
 				return nil
 			}
 		}
-		file_api_blog_v1_blog_proto_msgTypes[7].Exporter = func(v interface{}, i int) interface{} {
+		file_blog_proto_msgTypes[7].Exporter = func(v interface{}, i int) interface{} {
 			switch v := v.(*GetArticleRequest); i {
 			case 0:
 				return &v.state
@@ -807,7 +807,7 @@ func file_api_blog_v1_blog_proto_init() {
 				return nil
 			}
 		}
-		file_api_blog_v1_blog_proto_msgTypes[8].Exporter = func(v interface{}, i int) interface{} {
+		file_blog_proto_msgTypes[8].Exporter = func(v interface{}, i int) interface{} {
 			switch v := v.(*GetArticleReply); i {
 			case 0:
 				return &v.state
@@ -819,7 +819,7 @@ func file_api_blog_v1_blog_proto_init() {
 				return nil
 			}
 		}
-		file_api_blog_v1_blog_proto_msgTypes[9].Exporter = func(v interface{}, i int) interface{} {
+		file_blog_proto_msgTypes[9].Exporter = func(v interface{}, i int) interface{} {
 			switch v := v.(*ListArticleRequest); i {
 			case 0:
 				return &v.state
@@ -831,7 +831,7 @@ func file_api_blog_v1_blog_proto_init() {
 				return nil
 			}
 		}
-		file_api_blog_v1_blog_proto_msgTypes[10].Exporter = func(v interface{}, i int) interface{} {
+		file_blog_proto_msgTypes[10].Exporter = func(v interface{}, i int) interface{} {
 			switch v := v.(*ListArticleReply); i {
 			case 0:
 				return &v.state
@@ -848,18 +848,18 @@ func file_api_blog_v1_blog_proto_init() {
 	out := protoimpl.TypeBuilder{
 		File: protoimpl.DescBuilder{
 			GoPackagePath: reflect.TypeOf(x{}).PkgPath(),
-			RawDescriptor: file_api_blog_v1_blog_proto_rawDesc,
+			RawDescriptor: file_blog_proto_rawDesc,
 			NumEnums:      0,
 			NumMessages:   11,
 			NumExtensions: 0,
 			NumServices:   1,
 		},
-		GoTypes:           file_api_blog_v1_blog_proto_goTypes,
-		DependencyIndexes: file_api_blog_v1_blog_proto_depIdxs,
-		MessageInfos:      file_api_blog_v1_blog_proto_msgTypes,
+		GoTypes:           file_blog_proto_goTypes,
+		DependencyIndexes: file_blog_proto_depIdxs,
+		MessageInfos:      file_blog_proto_msgTypes,
 	}.Build()
-	File_api_blog_v1_blog_proto = out.File
-	file_api_blog_v1_blog_proto_rawDesc = nil
-	file_api_blog_v1_blog_proto_goTypes = nil
-	file_api_blog_v1_blog_proto_depIdxs = nil
+	File_blog_proto = out.File
+	file_blog_proto_rawDesc = nil
+	file_blog_proto_goTypes = nil
+	file_blog_proto_depIdxs = nil
 }
diff --git a/examples/blog/api/blog/v1/blog.proto b/examples/blog/api/blog/v1/blog.proto
index ab2818cc4..5a301c19f 100644
--- a/examples/blog/api/blog/v1/blog.proto
+++ b/examples/blog/api/blog/v1/blog.proto
@@ -2,7 +2,7 @@ syntax = "proto3";
 
 package api.v1;
 
-option go_package = "github.com/go-kratos/examples/blog/api/v1;v1";
+option go_package = "github.com/go-kratos/kratos/examples/blog/api/v1;v1";
 option java_multiple_files = true;
 option java_package = "api.v1";
 
diff --git a/examples/blog/api/blog/v1/blog_grpc.pb.go b/examples/blog/api/blog/v1/blog_grpc.pb.go
index 3c4e68921..cec731057 100644
--- a/examples/blog/api/blog/v1/blog_grpc.pb.go
+++ b/examples/blog/api/blog/v1/blog_grpc.pb.go
@@ -241,5 +241,5 @@ var BlogService_ServiceDesc = grpc.ServiceDesc{
 		},
 	},
 	Streams:  []grpc.StreamDesc{},
-	Metadata: "api/blog/v1/blog.proto",
+	Metadata: "blog.proto",
 }
diff --git a/examples/blog/api/blog/v1/errors/article.pb.go b/examples/blog/api/blog/v1/errors/article.pb.go
index 90daa17ad..7b25fe76b 100644
--- a/examples/blog/api/blog/v1/errors/article.pb.go
+++ b/examples/blog/api/blog/v1/errors/article.pb.go
@@ -1,8 +1,8 @@
 // Code generated by protoc-gen-go. DO NOT EDIT.
 // versions:
-// 	protoc-gen-go v1.25.0
-// 	protoc        v3.13.0
-// source: api/blog/v1/errors/article.proto
+// 	protoc-gen-go v1.25.0-devel
+// 	protoc        v3.6.1
+// source: article.proto
 
 package errors
 
@@ -56,11 +56,11 @@ func (x Article) String() string {
 }
 
 func (Article) Descriptor() protoreflect.EnumDescriptor {
-	return file_api_blog_v1_errors_article_proto_enumTypes[0].Descriptor()
+	return file_article_proto_enumTypes[0].Descriptor()
 }
 
 func (Article) Type() protoreflect.EnumType {
-	return &file_api_blog_v1_errors_article_proto_enumTypes[0]
+	return &file_article_proto_enumTypes[0]
 }
 
 func (x Article) Number() protoreflect.EnumNumber {
@@ -69,46 +69,46 @@ func (x Article) Number() protoreflect.EnumNumber {
 
 // Deprecated: Use Article.Descriptor instead.
 func (Article) EnumDescriptor() ([]byte, []int) {
-	return file_api_blog_v1_errors_article_proto_rawDescGZIP(), []int{0}
+	return file_article_proto_rawDescGZIP(), []int{0}
 }
 
-var File_api_blog_v1_errors_article_proto protoreflect.FileDescriptor
+var File_article_proto protoreflect.FileDescriptor
 
-var file_api_blog_v1_errors_article_proto_rawDesc = []byte{
-	0x0a, 0x20, 0x61, 0x70, 0x69, 0x2f, 0x62, 0x6c, 0x6f, 0x67, 0x2f, 0x76, 0x31, 0x2f, 0x65, 0x72,
-	0x72, 0x6f, 0x72, 0x73, 0x2f, 0x61, 0x72, 0x74, 0x69, 0x63, 0x6c, 0x65, 0x2e, 0x70, 0x72, 0x6f,
-	0x74, 0x6f, 0x12, 0x12, 0x61, 0x70, 0x69, 0x2e, 0x62, 0x6c, 0x6f, 0x67, 0x2e, 0x76, 0x31, 0x2e,
-	0x65, 0x72, 0x72, 0x6f, 0x72, 0x73, 0x1a, 0x1c, 0x6b, 0x72, 0x61, 0x74, 0x6f, 0x73, 0x2f, 0x61,
-	0x70, 0x69, 0x2f, 0x61, 0x6e, 0x6e, 0x6f, 0x74, 0x61, 0x74, 0x69, 0x6f, 0x6e, 0x73, 0x2e, 0x70,
-	0x72, 0x6f, 0x74, 0x6f, 0x2a, 0x34, 0x0a, 0x07, 0x41, 0x72, 0x74, 0x69, 0x63, 0x6c, 0x65, 0x12,
-	0x10, 0x0a, 0x0c, 0x54, 0x69, 0x74, 0x6c, 0x65, 0x4d, 0x69, 0x73, 0x73, 0x69, 0x6e, 0x67, 0x10,
-	0x00, 0x12, 0x12, 0x0a, 0x0e, 0x43, 0x6f, 0x6e, 0x74, 0x65, 0x6e, 0x74, 0x4d, 0x69, 0x73, 0x73,
-	0x69, 0x6e, 0x67, 0x10, 0x01, 0x1a, 0x03, 0xc0, 0x3e, 0x01, 0x42, 0x5b, 0x0a, 0x0e, 0x62, 0x6c,
-	0x6f, 0x67, 0x2e, 0x76, 0x31, 0x2e, 0x65, 0x72, 0x72, 0x6f, 0x72, 0x73, 0x50, 0x01, 0x5a, 0x37,
-	0x67, 0x69, 0x74, 0x68, 0x75, 0x62, 0x2e, 0x63, 0x6f, 0x6d, 0x2f, 0x67, 0x6f, 0x2d, 0x6b, 0x72,
-	0x61, 0x74, 0x6f, 0x73, 0x2f, 0x65, 0x78, 0x61, 0x6d, 0x70, 0x6c, 0x65, 0x73, 0x2f, 0x62, 0x6c,
-	0x6f, 0x67, 0x2f, 0x61, 0x70, 0x69, 0x2f, 0x76, 0x31, 0x2f, 0x65, 0x72, 0x72, 0x6f, 0x72, 0x73,
-	0x3b, 0x65, 0x72, 0x72, 0x6f, 0x72, 0x73, 0xa2, 0x02, 0x0d, 0x41, 0x50, 0x49, 0x42, 0x6c, 0x6f,
-	0x67, 0x45, 0x72, 0x72, 0x6f, 0x72, 0x73, 0x62, 0x06, 0x70, 0x72, 0x6f, 0x74, 0x6f, 0x33,
+var file_article_proto_rawDesc = []byte{
+	0x0a, 0x0d, 0x61, 0x72, 0x74, 0x69, 0x63, 0x6c, 0x65, 0x2e, 0x70, 0x72, 0x6f, 0x74, 0x6f, 0x12,
+	0x12, 0x61, 0x70, 0x69, 0x2e, 0x62, 0x6c, 0x6f, 0x67, 0x2e, 0x76, 0x31, 0x2e, 0x65, 0x72, 0x72,
+	0x6f, 0x72, 0x73, 0x1a, 0x1c, 0x6b, 0x72, 0x61, 0x74, 0x6f, 0x73, 0x2f, 0x61, 0x70, 0x69, 0x2f,
+	0x61, 0x6e, 0x6e, 0x6f, 0x74, 0x61, 0x74, 0x69, 0x6f, 0x6e, 0x73, 0x2e, 0x70, 0x72, 0x6f, 0x74,
+	0x6f, 0x2a, 0x34, 0x0a, 0x07, 0x41, 0x72, 0x74, 0x69, 0x63, 0x6c, 0x65, 0x12, 0x10, 0x0a, 0x0c,
+	0x54, 0x69, 0x74, 0x6c, 0x65, 0x4d, 0x69, 0x73, 0x73, 0x69, 0x6e, 0x67, 0x10, 0x00, 0x12, 0x12,
+	0x0a, 0x0e, 0x43, 0x6f, 0x6e, 0x74, 0x65, 0x6e, 0x74, 0x4d, 0x69, 0x73, 0x73, 0x69, 0x6e, 0x67,
+	0x10, 0x01, 0x1a, 0x03, 0xc0, 0x3e, 0x01, 0x42, 0x62, 0x0a, 0x0e, 0x62, 0x6c, 0x6f, 0x67, 0x2e,
+	0x76, 0x31, 0x2e, 0x65, 0x72, 0x72, 0x6f, 0x72, 0x73, 0x50, 0x01, 0x5a, 0x3e, 0x67, 0x69, 0x74,
+	0x68, 0x75, 0x62, 0x2e, 0x63, 0x6f, 0x6d, 0x2f, 0x67, 0x6f, 0x2d, 0x6b, 0x72, 0x61, 0x74, 0x6f,
+	0x73, 0x2f, 0x6b, 0x72, 0x61, 0x74, 0x6f, 0x73, 0x2f, 0x65, 0x78, 0x61, 0x6d, 0x70, 0x6c, 0x65,
+	0x73, 0x2f, 0x62, 0x6c, 0x6f, 0x67, 0x2f, 0x61, 0x70, 0x69, 0x2f, 0x76, 0x31, 0x2f, 0x65, 0x72,
+	0x72, 0x6f, 0x72, 0x73, 0x3b, 0x65, 0x72, 0x72, 0x6f, 0x72, 0x73, 0xa2, 0x02, 0x0d, 0x41, 0x50,
+	0x49, 0x42, 0x6c, 0x6f, 0x67, 0x45, 0x72, 0x72, 0x6f, 0x72, 0x73, 0x62, 0x06, 0x70, 0x72, 0x6f,
+	0x74, 0x6f, 0x33,
 }
 
 var (
-	file_api_blog_v1_errors_article_proto_rawDescOnce sync.Once
-	file_api_blog_v1_errors_article_proto_rawDescData = file_api_blog_v1_errors_article_proto_rawDesc
+	file_article_proto_rawDescOnce sync.Once
+	file_article_proto_rawDescData = file_article_proto_rawDesc
 )
 
-func file_api_blog_v1_errors_article_proto_rawDescGZIP() []byte {
-	file_api_blog_v1_errors_article_proto_rawDescOnce.Do(func() {
-		file_api_blog_v1_errors_article_proto_rawDescData = protoimpl.X.CompressGZIP(file_api_blog_v1_errors_article_proto_rawDescData)
+func file_article_proto_rawDescGZIP() []byte {
+	file_article_proto_rawDescOnce.Do(func() {
+		file_article_proto_rawDescData = protoimpl.X.CompressGZIP(file_article_proto_rawDescData)
 	})
-	return file_api_blog_v1_errors_article_proto_rawDescData
+	return file_article_proto_rawDescData
 }
 
-var file_api_blog_v1_errors_article_proto_enumTypes = make([]protoimpl.EnumInfo, 1)
-var file_api_blog_v1_errors_article_proto_goTypes = []interface{}{
+var file_article_proto_enumTypes = make([]protoimpl.EnumInfo, 1)
+var file_article_proto_goTypes = []interface{}{
 	(Article)(0), // 0: api.blog.v1.errors.Article
 }
-var file_api_blog_v1_errors_article_proto_depIdxs = []int32{
+var file_article_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
@@ -116,27 +116,27 @@ var file_api_blog_v1_errors_article_proto_depIdxs = []int32{
 	0, // [0:0] is the sub-list for field type_name
 }
 
-func init() { file_api_blog_v1_errors_article_proto_init() }
-func file_api_blog_v1_errors_article_proto_init() {
-	if File_api_blog_v1_errors_article_proto != nil {
+func init() { file_article_proto_init() }
+func file_article_proto_init() {
+	if File_article_proto != nil {
 		return
 	}
 	type x struct{}
 	out := protoimpl.TypeBuilder{
 		File: protoimpl.DescBuilder{
 			GoPackagePath: reflect.TypeOf(x{}).PkgPath(),
-			RawDescriptor: file_api_blog_v1_errors_article_proto_rawDesc,
+			RawDescriptor: file_article_proto_rawDesc,
 			NumEnums:      1,
 			NumMessages:   0,
 			NumExtensions: 0,
 			NumServices:   0,
 		},
-		GoTypes:           file_api_blog_v1_errors_article_proto_goTypes,
-		DependencyIndexes: file_api_blog_v1_errors_article_proto_depIdxs,
-		EnumInfos:         file_api_blog_v1_errors_article_proto_enumTypes,
+		GoTypes:           file_article_proto_goTypes,
+		DependencyIndexes: file_article_proto_depIdxs,
+		EnumInfos:         file_article_proto_enumTypes,
 	}.Build()
-	File_api_blog_v1_errors_article_proto = out.File
-	file_api_blog_v1_errors_article_proto_rawDesc = nil
-	file_api_blog_v1_errors_article_proto_goTypes = nil
-	file_api_blog_v1_errors_article_proto_depIdxs = nil
+	File_article_proto = out.File
+	file_article_proto_rawDesc = nil
+	file_article_proto_goTypes = nil
+	file_article_proto_depIdxs = nil
 }
diff --git a/examples/blog/api/blog/v1/errors/article.proto b/examples/blog/api/blog/v1/errors/article.proto
index 2c3aea8af..0f0020665 100644
--- a/examples/blog/api/blog/v1/errors/article.proto
+++ b/examples/blog/api/blog/v1/errors/article.proto
@@ -5,7 +5,7 @@ package api.blog.v1.errors;
 import "kratos/api/annotations.proto";
 
 // 多语言特定包名，用于源代码引用
-option go_package = "github.com/go-kratos/examples/blog/api/v1/errors;errors";
+option go_package = "github.com/go-kratos/kratos/examples/blog/api/v1/errors;errors";
 option java_multiple_files = true;
 option java_package = "blog.v1.errors";
 option objc_class_prefix = "APIBlogErrors";
diff --git a/examples/blog/cmd/blog/main.go b/examples/blog/cmd/blog/main.go
index c5ab7e31e..09a3fc25f 100644
--- a/examples/blog/cmd/blog/main.go
+++ b/examples/blog/cmd/blog/main.go
@@ -6,7 +6,7 @@ import (
 
 	"go.opentelemetry.io/otel/exporters/trace/jaeger"
 
-	"github.com/go-kratos/examples/blog/internal/conf"
+	"github.com/go-kratos/kratos/examples/blog/internal/conf"
 	"github.com/go-kratos/kratos/v2"
 	"github.com/go-kratos/kratos/v2/config"
 	"github.com/go-kratos/kratos/v2/config/file"
diff --git a/examples/blog/cmd/blog/wire.go b/examples/blog/cmd/blog/wire.go
index 5746d12f0..2ca83b247 100644
--- a/examples/blog/cmd/blog/wire.go
+++ b/examples/blog/cmd/blog/wire.go
@@ -5,11 +5,11 @@
 package main
 
 import (
-	"github.com/go-kratos/examples/blog/internal/biz"
-	"github.com/go-kratos/examples/blog/internal/conf"
-	"github.com/go-kratos/examples/blog/internal/data"
-	"github.com/go-kratos/examples/blog/internal/server"
-	"github.com/go-kratos/examples/blog/internal/service"
+	"github.com/go-kratos/kratos/examples/blog/internal/biz"
+	"github.com/go-kratos/kratos/examples/blog/internal/conf"
+	"github.com/go-kratos/kratos/examples/blog/internal/data"
+	"github.com/go-kratos/kratos/examples/blog/internal/server"
+	"github.com/go-kratos/kratos/examples/blog/internal/service"
 	"github.com/go-kratos/kratos/v2"
 	"github.com/go-kratos/kratos/v2/log"
 	"github.com/google/wire"
diff --git a/examples/blog/cmd/blog/wire_gen.go b/examples/blog/cmd/blog/wire_gen.go
index 2e212ed02..3302e857b 100644
--- a/examples/blog/cmd/blog/wire_gen.go
+++ b/examples/blog/cmd/blog/wire_gen.go
@@ -6,11 +6,11 @@
 package main
 
 import (
-	"github.com/go-kratos/examples/blog/internal/biz"
-	"github.com/go-kratos/examples/blog/internal/conf"
-	"github.com/go-kratos/examples/blog/internal/data"
-	"github.com/go-kratos/examples/blog/internal/server"
-	"github.com/go-kratos/examples/blog/internal/service"
+	"github.com/go-kratos/kratos/examples/blog/internal/biz"
+	"github.com/go-kratos/kratos/examples/blog/internal/conf"
+	"github.com/go-kratos/kratos/examples/blog/internal/data"
+	"github.com/go-kratos/kratos/examples/blog/internal/server"
+	"github.com/go-kratos/kratos/examples/blog/internal/service"
 	"github.com/go-kratos/kratos/v2"
 	"github.com/go-kratos/kratos/v2/log"
 )
diff --git a/examples/blog/generate.go b/examples/blog/generate.go
new file mode 100644
index 000000000..4aac2aa9f
--- /dev/null
+++ b/examples/blog/generate.go
@@ -0,0 +1,3 @@
+package generate
+
+//go:generate kratos proto client .
diff --git a/examples/blog/internal/conf/conf.pb.go b/examples/blog/internal/conf/conf.pb.go
index 9c6cfa8d1..c6e80ffa2 100644
--- a/examples/blog/internal/conf/conf.pb.go
+++ b/examples/blog/internal/conf/conf.pb.go
@@ -1,8 +1,8 @@
 // Code generated by protoc-gen-go. DO NOT EDIT.
 // versions:
-// 	protoc-gen-go v1.25.0
-// 	protoc        v3.13.0
-// source: internal/conf/conf.proto
+// 	protoc-gen-go v1.25.0-devel
+// 	protoc        v3.6.1
+// source: conf.proto
 
 package conf
 
@@ -38,7 +38,7 @@ type Bootstrap struct {
 func (x *Bootstrap) Reset() {
 	*x = Bootstrap{}
 	if protoimpl.UnsafeEnabled {
-		mi := &file_internal_conf_conf_proto_msgTypes[0]
+		mi := &file_conf_proto_msgTypes[0]
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		ms.StoreMessageInfo(mi)
 	}
@@ -51,7 +51,7 @@ func (x *Bootstrap) String() string {
 func (*Bootstrap) ProtoMessage() {}
 
 func (x *Bootstrap) ProtoReflect() protoreflect.Message {
-	mi := &file_internal_conf_conf_proto_msgTypes[0]
+	mi := &file_conf_proto_msgTypes[0]
 	if protoimpl.UnsafeEnabled && x != nil {
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		if ms.LoadMessageInfo() == nil {
@@ -64,7 +64,7 @@ func (x *Bootstrap) ProtoReflect() protoreflect.Message {
 
 // Deprecated: Use Bootstrap.ProtoReflect.Descriptor instead.
 func (*Bootstrap) Descriptor() ([]byte, []int) {
-	return file_internal_conf_conf_proto_rawDescGZIP(), []int{0}
+	return file_conf_proto_rawDescGZIP(), []int{0}
 }
 
 func (x *Bootstrap) GetServer() *Server {
@@ -93,7 +93,7 @@ type Server struct {
 func (x *Server) Reset() {
 	*x = Server{}
 	if protoimpl.UnsafeEnabled {
-		mi := &file_internal_conf_conf_proto_msgTypes[1]
+		mi := &file_conf_proto_msgTypes[1]
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		ms.StoreMessageInfo(mi)
 	}
@@ -106,7 +106,7 @@ func (x *Server) String() string {
 func (*Server) ProtoMessage() {}
 
 func (x *Server) ProtoReflect() protoreflect.Message {
-	mi := &file_internal_conf_conf_proto_msgTypes[1]
+	mi := &file_conf_proto_msgTypes[1]
 	if protoimpl.UnsafeEnabled && x != nil {
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		if ms.LoadMessageInfo() == nil {
@@ -119,7 +119,7 @@ func (x *Server) ProtoReflect() protoreflect.Message {
 
 // Deprecated: Use Server.ProtoReflect.Descriptor instead.
 func (*Server) Descriptor() ([]byte, []int) {
-	return file_internal_conf_conf_proto_rawDescGZIP(), []int{1}
+	return file_conf_proto_rawDescGZIP(), []int{1}
 }
 
 func (x *Server) GetHttp() *Server_HTTP {
@@ -148,7 +148,7 @@ type Data struct {
 func (x *Data) Reset() {
 	*x = Data{}
 	if protoimpl.UnsafeEnabled {
-		mi := &file_internal_conf_conf_proto_msgTypes[2]
+		mi := &file_conf_proto_msgTypes[2]
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		ms.StoreMessageInfo(mi)
 	}
@@ -161,7 +161,7 @@ func (x *Data) String() string {
 func (*Data) ProtoMessage() {}
 
 func (x *Data) ProtoReflect() protoreflect.Message {
-	mi := &file_internal_conf_conf_proto_msgTypes[2]
+	mi := &file_conf_proto_msgTypes[2]
 	if protoimpl.UnsafeEnabled && x != nil {
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		if ms.LoadMessageInfo() == nil {
@@ -174,7 +174,7 @@ func (x *Data) ProtoReflect() protoreflect.Message {
 
 // Deprecated: Use Data.ProtoReflect.Descriptor instead.
 func (*Data) Descriptor() ([]byte, []int) {
-	return file_internal_conf_conf_proto_rawDescGZIP(), []int{2}
+	return file_conf_proto_rawDescGZIP(), []int{2}
 }
 
 func (x *Data) GetDatabase() *Data_Database {
@@ -204,7 +204,7 @@ type Server_HTTP struct {
 func (x *Server_HTTP) Reset() {
 	*x = Server_HTTP{}
 	if protoimpl.UnsafeEnabled {
-		mi := &file_internal_conf_conf_proto_msgTypes[3]
+		mi := &file_conf_proto_msgTypes[3]
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		ms.StoreMessageInfo(mi)
 	}
@@ -217,7 +217,7 @@ func (x *Server_HTTP) String() string {
 func (*Server_HTTP) ProtoMessage() {}
 
 func (x *Server_HTTP) ProtoReflect() protoreflect.Message {
-	mi := &file_internal_conf_conf_proto_msgTypes[3]
+	mi := &file_conf_proto_msgTypes[3]
 	if protoimpl.UnsafeEnabled && x != nil {
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		if ms.LoadMessageInfo() == nil {
@@ -230,7 +230,7 @@ func (x *Server_HTTP) ProtoReflect() protoreflect.Message {
 
 // Deprecated: Use Server_HTTP.ProtoReflect.Descriptor instead.
 func (*Server_HTTP) Descriptor() ([]byte, []int) {
-	return file_internal_conf_conf_proto_rawDescGZIP(), []int{1, 0}
+	return file_conf_proto_rawDescGZIP(), []int{1, 0}
 }
 
 func (x *Server_HTTP) GetNetwork() string {
@@ -267,7 +267,7 @@ type Server_GRPC struct {
 func (x *Server_GRPC) Reset() {
 	*x = Server_GRPC{}
 	if protoimpl.UnsafeEnabled {
-		mi := &file_internal_conf_conf_proto_msgTypes[4]
+		mi := &file_conf_proto_msgTypes[4]
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		ms.StoreMessageInfo(mi)
 	}
@@ -280,7 +280,7 @@ func (x *Server_GRPC) String() string {
 func (*Server_GRPC) ProtoMessage() {}
 
 func (x *Server_GRPC) ProtoReflect() protoreflect.Message {
-	mi := &file_internal_conf_conf_proto_msgTypes[4]
+	mi := &file_conf_proto_msgTypes[4]
 	if protoimpl.UnsafeEnabled && x != nil {
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		if ms.LoadMessageInfo() == nil {
@@ -293,7 +293,7 @@ func (x *Server_GRPC) ProtoReflect() protoreflect.Message {
 
 // Deprecated: Use Server_GRPC.ProtoReflect.Descriptor instead.
 func (*Server_GRPC) Descriptor() ([]byte, []int) {
-	return file_internal_conf_conf_proto_rawDescGZIP(), []int{1, 1}
+	return file_conf_proto_rawDescGZIP(), []int{1, 1}
 }
 
 func (x *Server_GRPC) GetNetwork() string {
@@ -329,7 +329,7 @@ type Data_Database struct {
 func (x *Data_Database) Reset() {
 	*x = Data_Database{}
 	if protoimpl.UnsafeEnabled {
-		mi := &file_internal_conf_conf_proto_msgTypes[5]
+		mi := &file_conf_proto_msgTypes[5]
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		ms.StoreMessageInfo(mi)
 	}
@@ -342,7 +342,7 @@ func (x *Data_Database) String() string {
 func (*Data_Database) ProtoMessage() {}
 
 func (x *Data_Database) ProtoReflect() protoreflect.Message {
-	mi := &file_internal_conf_conf_proto_msgTypes[5]
+	mi := &file_conf_proto_msgTypes[5]
 	if protoimpl.UnsafeEnabled && x != nil {
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		if ms.LoadMessageInfo() == nil {
@@ -355,7 +355,7 @@ func (x *Data_Database) ProtoReflect() protoreflect.Message {
 
 // Deprecated: Use Data_Database.ProtoReflect.Descriptor instead.
 func (*Data_Database) Descriptor() ([]byte, []int) {
-	return file_internal_conf_conf_proto_rawDescGZIP(), []int{2, 0}
+	return file_conf_proto_rawDescGZIP(), []int{2, 0}
 }
 
 func (x *Data_Database) GetDriver() string {
@@ -389,7 +389,7 @@ type Data_Redis struct {
 func (x *Data_Redis) Reset() {
 	*x = Data_Redis{}
 	if protoimpl.UnsafeEnabled {
-		mi := &file_internal_conf_conf_proto_msgTypes[6]
+		mi := &file_conf_proto_msgTypes[6]
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		ms.StoreMessageInfo(mi)
 	}
@@ -402,7 +402,7 @@ func (x *Data_Redis) String() string {
 func (*Data_Redis) ProtoMessage() {}
 
 func (x *Data_Redis) ProtoReflect() protoreflect.Message {
-	mi := &file_internal_conf_conf_proto_msgTypes[6]
+	mi := &file_conf_proto_msgTypes[6]
 	if protoimpl.UnsafeEnabled && x != nil {
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		if ms.LoadMessageInfo() == nil {
@@ -415,7 +415,7 @@ func (x *Data_Redis) ProtoReflect() protoreflect.Message {
 
 // Deprecated: Use Data_Redis.ProtoReflect.Descriptor instead.
 func (*Data_Redis) Descriptor() ([]byte, []int) {
-	return file_internal_conf_conf_proto_rawDescGZIP(), []int{2, 1}
+	return file_conf_proto_rawDescGZIP(), []int{2, 1}
 }
 
 func (x *Data_Redis) GetNetwork() string {
@@ -467,90 +467,89 @@ func (x *Data_Redis) GetWriteTimeout() *duration.Duration {
 	return nil
 }
 
-var File_internal_conf_conf_proto protoreflect.FileDescriptor
+var File_conf_proto protoreflect.FileDescriptor
 
-var file_internal_conf_conf_proto_rawDesc = []byte{
-	0x0a, 0x18, 0x69, 0x6e, 0x74, 0x65, 0x72, 0x6e, 0x61, 0x6c, 0x2f, 0x63, 0x6f, 0x6e, 0x66, 0x2f,
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+var file_conf_proto_rawDesc = []byte{
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+	0x6f, 0x74, 0x6f, 0x33,
 }
 
 var (
-	file_internal_conf_conf_proto_rawDescOnce sync.Once
-	file_internal_conf_conf_proto_rawDescData = file_internal_conf_conf_proto_rawDesc
+	file_conf_proto_rawDescOnce sync.Once
+	file_conf_proto_rawDescData = file_conf_proto_rawDesc
 )
 
-func file_internal_conf_conf_proto_rawDescGZIP() []byte {
-	file_internal_conf_conf_proto_rawDescOnce.Do(func() {
-		file_internal_conf_conf_proto_rawDescData = protoimpl.X.CompressGZIP(file_internal_conf_conf_proto_rawDescData)
+func file_conf_proto_rawDescGZIP() []byte {
+	file_conf_proto_rawDescOnce.Do(func() {
+		file_conf_proto_rawDescData = protoimpl.X.CompressGZIP(file_conf_proto_rawDescData)
 	})
-	return file_internal_conf_conf_proto_rawDescData
+	return file_conf_proto_rawDescData
 }
 
-var file_internal_conf_conf_proto_msgTypes = make([]protoimpl.MessageInfo, 7)
-var file_internal_conf_conf_proto_goTypes = []interface{}{
+var file_conf_proto_msgTypes = make([]protoimpl.MessageInfo, 7)
+var file_conf_proto_goTypes = []interface{}{
 	(*Bootstrap)(nil),         // 0: kratos.internal.conf.Bootstrap
 	(*Server)(nil),            // 1: kratos.internal.conf.Server
 	(*Data)(nil),              // 2: kratos.internal.conf.Data
@@ -560,7 +559,7 @@ var file_internal_conf_conf_proto_goTypes = []interface{}{
 	(*Data_Redis)(nil),        // 6: kratos.internal.conf.Data.Redis
 	(*duration.Duration)(nil), // 7: google.protobuf.Duration
 }
-var file_internal_conf_conf_proto_depIdxs = []int32{
+var file_conf_proto_depIdxs = []int32{
 	1,  // 0: kratos.internal.conf.Bootstrap.server:type_name -> kratos.internal.conf.Server
 	2,  // 1: kratos.internal.conf.Bootstrap.data:type_name -> kratos.internal.conf.Data
 	3,  // 2: kratos.internal.conf.Server.http:type_name -> kratos.internal.conf.Server.HTTP
@@ -579,13 +578,13 @@ var file_internal_conf_conf_proto_depIdxs = []int32{
 	0,  // [0:11] is the sub-list for field type_name
 }
 
-func init() { file_internal_conf_conf_proto_init() }
-func file_internal_conf_conf_proto_init() {
-	if File_internal_conf_conf_proto != nil {
+func init() { file_conf_proto_init() }
+func file_conf_proto_init() {
+	if File_conf_proto != nil {
 		return
 	}
 	if !protoimpl.UnsafeEnabled {
-		file_internal_conf_conf_proto_msgTypes[0].Exporter = func(v interface{}, i int) interface{} {
+		file_conf_proto_msgTypes[0].Exporter = func(v interface{}, i int) interface{} {
 			switch v := v.(*Bootstrap); i {
 			case 0:
 				return &v.state
@@ -597,7 +596,7 @@ func file_internal_conf_conf_proto_init() {
 				return nil
 			}
 		}
-		file_internal_conf_conf_proto_msgTypes[1].Exporter = func(v interface{}, i int) interface{} {
+		file_conf_proto_msgTypes[1].Exporter = func(v interface{}, i int) interface{} {
 			switch v := v.(*Server); i {
 			case 0:
 				return &v.state
@@ -609,7 +608,7 @@ func file_internal_conf_conf_proto_init() {
 				return nil
 			}
 		}
-		file_internal_conf_conf_proto_msgTypes[2].Exporter = func(v interface{}, i int) interface{} {
+		file_conf_proto_msgTypes[2].Exporter = func(v interface{}, i int) interface{} {
 			switch v := v.(*Data); i {
 			case 0:
 				return &v.state
@@ -621,7 +620,7 @@ func file_internal_conf_conf_proto_init() {
 				return nil
 			}
 		}
-		file_internal_conf_conf_proto_msgTypes[3].Exporter = func(v interface{}, i int) interface{} {
+		file_conf_proto_msgTypes[3].Exporter = func(v interface{}, i int) interface{} {
 			switch v := v.(*Server_HTTP); i {
 			case 0:
 				return &v.state
@@ -633,7 +632,7 @@ func file_internal_conf_conf_proto_init() {
 				return nil
 			}
 		}
-		file_internal_conf_conf_proto_msgTypes[4].Exporter = func(v interface{}, i int) interface{} {
+		file_conf_proto_msgTypes[4].Exporter = func(v interface{}, i int) interface{} {
 			switch v := v.(*Server_GRPC); i {
 			case 0:
 				return &v.state
@@ -645,7 +644,7 @@ func file_internal_conf_conf_proto_init() {
 				return nil
 			}
 		}
-		file_internal_conf_conf_proto_msgTypes[5].Exporter = func(v interface{}, i int) interface{} {
+		file_conf_proto_msgTypes[5].Exporter = func(v interface{}, i int) interface{} {
 			switch v := v.(*Data_Database); i {
 			case 0:
 				return &v.state
@@ -657,7 +656,7 @@ func file_internal_conf_conf_proto_init() {
 				return nil
 			}
 		}
-		file_internal_conf_conf_proto_msgTypes[6].Exporter = func(v interface{}, i int) interface{} {
+		file_conf_proto_msgTypes[6].Exporter = func(v interface{}, i int) interface{} {
 			switch v := v.(*Data_Redis); i {
 			case 0:
 				return &v.state
@@ -674,18 +673,18 @@ func file_internal_conf_conf_proto_init() {
 	out := protoimpl.TypeBuilder{
 		File: protoimpl.DescBuilder{
 			GoPackagePath: reflect.TypeOf(x{}).PkgPath(),
-			RawDescriptor: file_internal_conf_conf_proto_rawDesc,
+			RawDescriptor: file_conf_proto_rawDesc,
 			NumEnums:      0,
 			NumMessages:   7,
 			NumExtensions: 0,
 			NumServices:   0,
 		},
-		GoTypes:           file_internal_conf_conf_proto_goTypes,
-		DependencyIndexes: file_internal_conf_conf_proto_depIdxs,
-		MessageInfos:      file_internal_conf_conf_proto_msgTypes,
+		GoTypes:           file_conf_proto_goTypes,
+		DependencyIndexes: file_conf_proto_depIdxs,
+		MessageInfos:      file_conf_proto_msgTypes,
 	}.Build()
-	File_internal_conf_conf_proto = out.File
-	file_internal_conf_conf_proto_rawDesc = nil
-	file_internal_conf_conf_proto_goTypes = nil
-	file_internal_conf_conf_proto_depIdxs = nil
+	File_conf_proto = out.File
+	file_conf_proto_rawDesc = nil
+	file_conf_proto_goTypes = nil
+	file_conf_proto_depIdxs = nil
 }
diff --git a/examples/blog/internal/data/article.go b/examples/blog/internal/data/article.go
index b6234b0f3..2b323dbcb 100644
--- a/examples/blog/internal/data/article.go
+++ b/examples/blog/internal/data/article.go
@@ -2,7 +2,7 @@ package data
 
 import (
 	"context"
-	"github.com/go-kratos/examples/blog/internal/biz"
+	"github.com/go-kratos/kratos/examples/blog/internal/biz"
 	"github.com/go-kratos/kratos/v2/log"
 	"time"
 )
diff --git a/examples/blog/internal/data/data.go b/examples/blog/internal/data/data.go
index a7a38a827..9acdd58b6 100644
--- a/examples/blog/internal/data/data.go
+++ b/examples/blog/internal/data/data.go
@@ -2,8 +2,8 @@ package data
 
 import (
 	"context"
-	"github.com/go-kratos/examples/blog/internal/conf"
-	"github.com/go-kratos/examples/blog/internal/data/ent"
+	"github.com/go-kratos/kratos/examples/blog/internal/conf"
+	"github.com/go-kratos/kratos/examples/blog/internal/data/ent"
 	"github.com/go-kratos/kratos/v2/log"
 	"github.com/go-redis/redis/extra/redisotel"
 	"github.com/go-redis/redis/v8"
diff --git a/examples/blog/internal/data/ent/article.go b/examples/blog/internal/data/ent/article.go
index 1a61f7d35..ccc45582a 100644
--- a/examples/blog/internal/data/ent/article.go
+++ b/examples/blog/internal/data/ent/article.go
@@ -8,7 +8,7 @@ import (
 	"time"
 
 	"entgo.io/ent/dialect/sql"
-	"github.com/go-kratos/examples/blog/internal/data/ent/article"
+	"github.com/go-kratos/kratos/examples/blog/internal/data/ent/article"
 )
 
 // Article is the model entity for the Article schema.
diff --git a/examples/blog/internal/data/ent/article/where.go b/examples/blog/internal/data/ent/article/where.go
index e6bdaa286..4309258c8 100644
--- a/examples/blog/internal/data/ent/article/where.go
+++ b/examples/blog/internal/data/ent/article/where.go
@@ -7,7 +7,7 @@ import (
 
 	"entgo.io/ent/dialect/sql"
 	"entgo.io/ent/dialect/sql/sqlgraph"
-	"github.com/go-kratos/examples/blog/internal/data/ent/predicate"
+	"github.com/go-kratos/kratos/examples/blog/internal/data/ent/predicate"
 )
 
 // ID filters vertices based on their ID field.
diff --git a/examples/blog/internal/data/ent/article_create.go b/examples/blog/internal/data/ent/article_create.go
index 19cb9cadd..f319f0554 100644
--- a/examples/blog/internal/data/ent/article_create.go
+++ b/examples/blog/internal/data/ent/article_create.go
@@ -10,9 +10,9 @@ import (
 
 	"entgo.io/ent/dialect/sql/sqlgraph"
 	"entgo.io/ent/schema/field"
-	"github.com/go-kratos/examples/blog/internal/data/ent/article"
-	"github.com/go-kratos/examples/blog/internal/data/ent/comment"
-	"github.com/go-kratos/examples/blog/internal/data/ent/tag"
+	"github.com/go-kratos/kratos/examples/blog/internal/data/ent/article"
+	"github.com/go-kratos/kratos/examples/blog/internal/data/ent/comment"
+	"github.com/go-kratos/kratos/examples/blog/internal/data/ent/tag"
 )
 
 // ArticleCreate is the builder for creating a Article entity.
diff --git a/examples/blog/internal/data/ent/article_delete.go b/examples/blog/internal/data/ent/article_delete.go
index eb264b8a4..c1520f96a 100644
--- a/examples/blog/internal/data/ent/article_delete.go
+++ b/examples/blog/internal/data/ent/article_delete.go
@@ -9,8 +9,8 @@ import (
 	"entgo.io/ent/dialect/sql"
 	"entgo.io/ent/dialect/sql/sqlgraph"
 	"entgo.io/ent/schema/field"
-	"github.com/go-kratos/examples/blog/internal/data/ent/article"
-	"github.com/go-kratos/examples/blog/internal/data/ent/predicate"
+	"github.com/go-kratos/kratos/examples/blog/internal/data/ent/article"
+	"github.com/go-kratos/kratos/examples/blog/internal/data/ent/predicate"
 )
 
 // ArticleDelete is the builder for deleting a Article entity.
diff --git a/examples/blog/internal/data/ent/article_query.go b/examples/blog/internal/data/ent/article_query.go
index 6984763ca..91b345e1c 100644
--- a/examples/blog/internal/data/ent/article_query.go
+++ b/examples/blog/internal/data/ent/article_query.go
@@ -12,10 +12,10 @@ import (
 	"entgo.io/ent/dialect/sql"
 	"entgo.io/ent/dialect/sql/sqlgraph"
 	"entgo.io/ent/schema/field"
-	"github.com/go-kratos/examples/blog/internal/data/ent/article"
-	"github.com/go-kratos/examples/blog/internal/data/ent/comment"
-	"github.com/go-kratos/examples/blog/internal/data/ent/predicate"
-	"github.com/go-kratos/examples/blog/internal/data/ent/tag"
+	"github.com/go-kratos/kratos/examples/blog/internal/data/ent/article"
+	"github.com/go-kratos/kratos/examples/blog/internal/data/ent/comment"
+	"github.com/go-kratos/kratos/examples/blog/internal/data/ent/predicate"
+	"github.com/go-kratos/kratos/examples/blog/internal/data/ent/tag"
 )
 
 // ArticleQuery is the builder for querying Article entities.
diff --git a/examples/blog/internal/data/ent/article_update.go b/examples/blog/internal/data/ent/article_update.go
index a695009f5..f6c22a9b8 100644
--- a/examples/blog/internal/data/ent/article_update.go
+++ b/examples/blog/internal/data/ent/article_update.go
@@ -10,10 +10,10 @@ import (
 	"entgo.io/ent/dialect/sql"
 	"entgo.io/ent/dialect/sql/sqlgraph"
 	"entgo.io/ent/schema/field"
-	"github.com/go-kratos/examples/blog/internal/data/ent/article"
-	"github.com/go-kratos/examples/blog/internal/data/ent/comment"
-	"github.com/go-kratos/examples/blog/internal/data/ent/predicate"
-	"github.com/go-kratos/examples/blog/internal/data/ent/tag"
+	"github.com/go-kratos/kratos/examples/blog/internal/data/ent/article"
+	"github.com/go-kratos/kratos/examples/blog/internal/data/ent/comment"
+	"github.com/go-kratos/kratos/examples/blog/internal/data/ent/predicate"
+	"github.com/go-kratos/kratos/examples/blog/internal/data/ent/tag"
 )
 
 // ArticleUpdate is the builder for updating Article entities.
diff --git a/examples/blog/internal/data/ent/client.go b/examples/blog/internal/data/ent/client.go
index b78d7a19c..1c639c0ff 100644
--- a/examples/blog/internal/data/ent/client.go
+++ b/examples/blog/internal/data/ent/client.go
@@ -7,11 +7,11 @@ import (
 	"fmt"
 	"log"
 
-	"github.com/go-kratos/examples/blog/internal/data/ent/migrate"
+	"github.com/go-kratos/kratos/examples/blog/internal/data/ent/migrate"
 
-	"github.com/go-kratos/examples/blog/internal/data/ent/article"
-	"github.com/go-kratos/examples/blog/internal/data/ent/comment"
-	"github.com/go-kratos/examples/blog/internal/data/ent/tag"
+	"github.com/go-kratos/kratos/examples/blog/internal/data/ent/article"
+	"github.com/go-kratos/kratos/examples/blog/internal/data/ent/comment"
+	"github.com/go-kratos/kratos/examples/blog/internal/data/ent/tag"
 
 	"entgo.io/ent/dialect"
 	"entgo.io/ent/dialect/sql"
diff --git a/examples/blog/internal/data/ent/comment.go b/examples/blog/internal/data/ent/comment.go
index 569d7a097..cc4867675 100644
--- a/examples/blog/internal/data/ent/comment.go
+++ b/examples/blog/internal/data/ent/comment.go
@@ -8,8 +8,8 @@ import (
 	"time"
 
 	"entgo.io/ent/dialect/sql"
-	"github.com/go-kratos/examples/blog/internal/data/ent/article"
-	"github.com/go-kratos/examples/blog/internal/data/ent/comment"
+	"github.com/go-kratos/kratos/examples/blog/internal/data/ent/article"
+	"github.com/go-kratos/kratos/examples/blog/internal/data/ent/comment"
 )
 
 // Comment is the model entity for the Comment schema.
diff --git a/examples/blog/internal/data/ent/comment/where.go b/examples/blog/internal/data/ent/comment/where.go
index cb96e0fe0..24410d12e 100644
--- a/examples/blog/internal/data/ent/comment/where.go
+++ b/examples/blog/internal/data/ent/comment/where.go
@@ -7,7 +7,7 @@ import (
 
 	"entgo.io/ent/dialect/sql"
 	"entgo.io/ent/dialect/sql/sqlgraph"
-	"github.com/go-kratos/examples/blog/internal/data/ent/predicate"
+	"github.com/go-kratos/kratos/examples/blog/internal/data/ent/predicate"
 )
 
 // ID filters vertices based on their ID field.
diff --git a/examples/blog/internal/data/ent/comment_create.go b/examples/blog/internal/data/ent/comment_create.go
index 9cf640c10..a05a6498f 100644
--- a/examples/blog/internal/data/ent/comment_create.go
+++ b/examples/blog/internal/data/ent/comment_create.go
@@ -10,8 +10,8 @@ import (
 
 	"entgo.io/ent/dialect/sql/sqlgraph"
 	"entgo.io/ent/schema/field"
-	"github.com/go-kratos/examples/blog/internal/data/ent/article"
-	"github.com/go-kratos/examples/blog/internal/data/ent/comment"
+	"github.com/go-kratos/kratos/examples/blog/internal/data/ent/article"
+	"github.com/go-kratos/kratos/examples/blog/internal/data/ent/comment"
 )
 
 // CommentCreate is the builder for creating a Comment entity.
diff --git a/examples/blog/internal/data/ent/comment_delete.go b/examples/blog/internal/data/ent/comment_delete.go
index ddf0254be..821ccc762 100644
--- a/examples/blog/internal/data/ent/comment_delete.go
+++ b/examples/blog/internal/data/ent/comment_delete.go
@@ -9,8 +9,8 @@ import (
 	"entgo.io/ent/dialect/sql"
 	"entgo.io/ent/dialect/sql/sqlgraph"
 	"entgo.io/ent/schema/field"
-	"github.com/go-kratos/examples/blog/internal/data/ent/comment"
-	"github.com/go-kratos/examples/blog/internal/data/ent/predicate"
+	"github.com/go-kratos/kratos/examples/blog/internal/data/ent/comment"
+	"github.com/go-kratos/kratos/examples/blog/internal/data/ent/predicate"
 )
 
 // CommentDelete is the builder for deleting a Comment entity.
diff --git a/examples/blog/internal/data/ent/comment_query.go b/examples/blog/internal/data/ent/comment_query.go
index ee55884b6..2a9202714 100644
--- a/examples/blog/internal/data/ent/comment_query.go
+++ b/examples/blog/internal/data/ent/comment_query.go
@@ -11,9 +11,9 @@ import (
 	"entgo.io/ent/dialect/sql"
 	"entgo.io/ent/dialect/sql/sqlgraph"
 	"entgo.io/ent/schema/field"
-	"github.com/go-kratos/examples/blog/internal/data/ent/article"
-	"github.com/go-kratos/examples/blog/internal/data/ent/comment"
-	"github.com/go-kratos/examples/blog/internal/data/ent/predicate"
+	"github.com/go-kratos/kratos/examples/blog/internal/data/ent/article"
+	"github.com/go-kratos/kratos/examples/blog/internal/data/ent/comment"
+	"github.com/go-kratos/kratos/examples/blog/internal/data/ent/predicate"
 )
 
 // CommentQuery is the builder for querying Comment entities.
diff --git a/examples/blog/internal/data/ent/comment_update.go b/examples/blog/internal/data/ent/comment_update.go
index 6707db431..968d7eb4b 100644
--- a/examples/blog/internal/data/ent/comment_update.go
+++ b/examples/blog/internal/data/ent/comment_update.go
@@ -10,9 +10,9 @@ import (
 	"entgo.io/ent/dialect/sql"
 	"entgo.io/ent/dialect/sql/sqlgraph"
 	"entgo.io/ent/schema/field"
-	"github.com/go-kratos/examples/blog/internal/data/ent/article"
-	"github.com/go-kratos/examples/blog/internal/data/ent/comment"
-	"github.com/go-kratos/examples/blog/internal/data/ent/predicate"
+	"github.com/go-kratos/kratos/examples/blog/internal/data/ent/article"
+	"github.com/go-kratos/kratos/examples/blog/internal/data/ent/comment"
+	"github.com/go-kratos/kratos/examples/blog/internal/data/ent/predicate"
 )
 
 // CommentUpdate is the builder for updating Comment entities.
diff --git a/examples/blog/internal/data/ent/enttest/enttest.go b/examples/blog/internal/data/ent/enttest/enttest.go
index 6475da589..aeb991cb4 100644
--- a/examples/blog/internal/data/ent/enttest/enttest.go
+++ b/examples/blog/internal/data/ent/enttest/enttest.go
@@ -5,9 +5,9 @@ package enttest
 import (
 	"context"
 
-	"github.com/go-kratos/examples/blog/internal/data/ent"
+	"github.com/go-kratos/kratos/examples/blog/internal/data/ent"
 	// required by schema hooks.
-	_ "github.com/go-kratos/examples/blog/internal/data/ent/runtime"
+	_ "github.com/go-kratos/kratos/examples/blog/internal/data/ent/runtime"
 
 	"entgo.io/ent/dialect/sql/schema"
 )
diff --git a/examples/blog/internal/data/ent/hook/hook.go b/examples/blog/internal/data/ent/hook/hook.go
index a134b74bb..91272a4a1 100644
--- a/examples/blog/internal/data/ent/hook/hook.go
+++ b/examples/blog/internal/data/ent/hook/hook.go
@@ -6,7 +6,7 @@ import (
 	"context"
 	"fmt"
 
-	"github.com/go-kratos/examples/blog/internal/data/ent"
+	"github.com/go-kratos/kratos/examples/blog/internal/data/ent"
 )
 
 // The ArticleFunc type is an adapter to allow the use of ordinary
diff --git a/examples/blog/internal/data/ent/mutation.go b/examples/blog/internal/data/ent/mutation.go
index 388c9e41e..a9ead49db 100644
--- a/examples/blog/internal/data/ent/mutation.go
+++ b/examples/blog/internal/data/ent/mutation.go
@@ -8,10 +8,10 @@ import (
 	"sync"
 	"time"
 
-	"github.com/go-kratos/examples/blog/internal/data/ent/article"
-	"github.com/go-kratos/examples/blog/internal/data/ent/comment"
-	"github.com/go-kratos/examples/blog/internal/data/ent/predicate"
-	"github.com/go-kratos/examples/blog/internal/data/ent/tag"
+	"github.com/go-kratos/kratos/examples/blog/internal/data/ent/article"
+	"github.com/go-kratos/kratos/examples/blog/internal/data/ent/comment"
+	"github.com/go-kratos/kratos/examples/blog/internal/data/ent/predicate"
+	"github.com/go-kratos/kratos/examples/blog/internal/data/ent/tag"
 
 	"entgo.io/ent"
 )
diff --git a/examples/blog/internal/data/ent/runtime.go b/examples/blog/internal/data/ent/runtime.go
index f231fbad3..65c772f32 100644
--- a/examples/blog/internal/data/ent/runtime.go
+++ b/examples/blog/internal/data/ent/runtime.go
@@ -5,10 +5,10 @@ package ent
 import (
 	"time"
 
-	"github.com/go-kratos/examples/blog/internal/data/ent/article"
-	"github.com/go-kratos/examples/blog/internal/data/ent/comment"
-	"github.com/go-kratos/examples/blog/internal/data/ent/schema"
-	"github.com/go-kratos/examples/blog/internal/data/ent/tag"
+	"github.com/go-kratos/kratos/examples/blog/internal/data/ent/article"
+	"github.com/go-kratos/kratos/examples/blog/internal/data/ent/comment"
+	"github.com/go-kratos/kratos/examples/blog/internal/data/ent/schema"
+	"github.com/go-kratos/kratos/examples/blog/internal/data/ent/tag"
 )
 
 // The init function reads all schema descriptors with runtime code
diff --git a/examples/blog/internal/data/ent/runtime/runtime.go b/examples/blog/internal/data/ent/runtime/runtime.go
index ba3822235..6fc96fef4 100644
--- a/examples/blog/internal/data/ent/runtime/runtime.go
+++ b/examples/blog/internal/data/ent/runtime/runtime.go
@@ -2,7 +2,7 @@
 
 package runtime
 
-// The schema-stitching logic is generated in github.com/go-kratos/examples/blog/internal/data/ent/runtime.go
+// The schema-stitching logic is generated in github.com/go-kratos/kratos/examples/blog/internal/data/ent/runtime.go
 
 const (
 	Version = "v0.6.0"                                          // Version of ent codegen.
diff --git a/examples/blog/internal/data/ent/tag.go b/examples/blog/internal/data/ent/tag.go
index 2b330ed0b..09aacd082 100644
--- a/examples/blog/internal/data/ent/tag.go
+++ b/examples/blog/internal/data/ent/tag.go
@@ -8,7 +8,7 @@ import (
 	"time"
 
 	"entgo.io/ent/dialect/sql"
-	"github.com/go-kratos/examples/blog/internal/data/ent/tag"
+	"github.com/go-kratos/kratos/examples/blog/internal/data/ent/tag"
 )
 
 // Tag is the model entity for the Tag schema.
diff --git a/examples/blog/internal/data/ent/tag/where.go b/examples/blog/internal/data/ent/tag/where.go
index 4b5ffa87c..90b89bf89 100644
--- a/examples/blog/internal/data/ent/tag/where.go
+++ b/examples/blog/internal/data/ent/tag/where.go
@@ -7,7 +7,7 @@ import (
 
 	"entgo.io/ent/dialect/sql"
 	"entgo.io/ent/dialect/sql/sqlgraph"
-	"github.com/go-kratos/examples/blog/internal/data/ent/predicate"
+	"github.com/go-kratos/kratos/examples/blog/internal/data/ent/predicate"
 )
 
 // ID filters vertices based on their ID field.
diff --git a/examples/blog/internal/data/ent/tag_create.go b/examples/blog/internal/data/ent/tag_create.go
index 6c38fb1b8..eabb8ede0 100644
--- a/examples/blog/internal/data/ent/tag_create.go
+++ b/examples/blog/internal/data/ent/tag_create.go
@@ -10,8 +10,8 @@ import (
 
 	"entgo.io/ent/dialect/sql/sqlgraph"
 	"entgo.io/ent/schema/field"
-	"github.com/go-kratos/examples/blog/internal/data/ent/article"
-	"github.com/go-kratos/examples/blog/internal/data/ent/tag"
+	"github.com/go-kratos/kratos/examples/blog/internal/data/ent/article"
+	"github.com/go-kratos/kratos/examples/blog/internal/data/ent/tag"
 )
 
 // TagCreate is the builder for creating a Tag entity.
diff --git a/examples/blog/internal/data/ent/tag_delete.go b/examples/blog/internal/data/ent/tag_delete.go
index 2b97e5f50..03af918c6 100644
--- a/examples/blog/internal/data/ent/tag_delete.go
+++ b/examples/blog/internal/data/ent/tag_delete.go
@@ -9,8 +9,8 @@ import (
 	"entgo.io/ent/dialect/sql"
 	"entgo.io/ent/dialect/sql/sqlgraph"
 	"entgo.io/ent/schema/field"
-	"github.com/go-kratos/examples/blog/internal/data/ent/predicate"
-	"github.com/go-kratos/examples/blog/internal/data/ent/tag"
+	"github.com/go-kratos/kratos/examples/blog/internal/data/ent/predicate"
+	"github.com/go-kratos/kratos/examples/blog/internal/data/ent/tag"
 )
 
 // TagDelete is the builder for deleting a Tag entity.
diff --git a/examples/blog/internal/data/ent/tag_query.go b/examples/blog/internal/data/ent/tag_query.go
index 1792d7bd7..5d721a690 100644
--- a/examples/blog/internal/data/ent/tag_query.go
+++ b/examples/blog/internal/data/ent/tag_query.go
@@ -12,9 +12,9 @@ import (
 	"entgo.io/ent/dialect/sql"
 	"entgo.io/ent/dialect/sql/sqlgraph"
 	"entgo.io/ent/schema/field"
-	"github.com/go-kratos/examples/blog/internal/data/ent/article"
-	"github.com/go-kratos/examples/blog/internal/data/ent/predicate"
-	"github.com/go-kratos/examples/blog/internal/data/ent/tag"
+	"github.com/go-kratos/kratos/examples/blog/internal/data/ent/article"
+	"github.com/go-kratos/kratos/examples/blog/internal/data/ent/predicate"
+	"github.com/go-kratos/kratos/examples/blog/internal/data/ent/tag"
 )
 
 // TagQuery is the builder for querying Tag entities.
diff --git a/examples/blog/internal/data/ent/tag_update.go b/examples/blog/internal/data/ent/tag_update.go
index 99b986a89..2edccab4a 100644
--- a/examples/blog/internal/data/ent/tag_update.go
+++ b/examples/blog/internal/data/ent/tag_update.go
@@ -10,9 +10,9 @@ import (
 	"entgo.io/ent/dialect/sql"
 	"entgo.io/ent/dialect/sql/sqlgraph"
 	"entgo.io/ent/schema/field"
-	"github.com/go-kratos/examples/blog/internal/data/ent/article"
-	"github.com/go-kratos/examples/blog/internal/data/ent/predicate"
-	"github.com/go-kratos/examples/blog/internal/data/ent/tag"
+	"github.com/go-kratos/kratos/examples/blog/internal/data/ent/article"
+	"github.com/go-kratos/kratos/examples/blog/internal/data/ent/predicate"
+	"github.com/go-kratos/kratos/examples/blog/internal/data/ent/tag"
 )
 
 // TagUpdate is the builder for updating Tag entities.
diff --git a/examples/blog/internal/server/grpc.go b/examples/blog/internal/server/grpc.go
index 99c9c5364..6c639c872 100644
--- a/examples/blog/internal/server/grpc.go
+++ b/examples/blog/internal/server/grpc.go
@@ -1,9 +1,9 @@
 package server
 
 import (
-	v1 "github.com/go-kratos/examples/blog/api/blog/v1"
-	"github.com/go-kratos/examples/blog/internal/conf"
-	"github.com/go-kratos/examples/blog/internal/service"
+	v1 "github.com/go-kratos/kratos/examples/blog/api/blog/v1"
+	"github.com/go-kratos/kratos/examples/blog/internal/conf"
+	"github.com/go-kratos/kratos/examples/blog/internal/service"
 	"github.com/go-kratos/kratos/v2/middleware"
 	"github.com/go-kratos/kratos/v2/middleware/logging"
 	"github.com/go-kratos/kratos/v2/middleware/recovery"
diff --git a/examples/blog/internal/server/http.go b/examples/blog/internal/server/http.go
index 8ccfb4f9d..b30b5497e 100644
--- a/examples/blog/internal/server/http.go
+++ b/examples/blog/internal/server/http.go
@@ -1,9 +1,9 @@
 package server
 
 import (
-	v1 "github.com/go-kratos/examples/blog/api/blog/v1"
-	"github.com/go-kratos/examples/blog/internal/conf"
-	"github.com/go-kratos/examples/blog/internal/service"
+	v1 "github.com/go-kratos/kratos/examples/blog/api/blog/v1"
+	"github.com/go-kratos/kratos/examples/blog/internal/conf"
+	"github.com/go-kratos/kratos/examples/blog/internal/service"
 	"github.com/go-kratos/kratos/v2/middleware"
 	"github.com/go-kratos/kratos/v2/middleware/logging"
 	"github.com/go-kratos/kratos/v2/middleware/recovery"
diff --git a/examples/blog/internal/service/article.go b/examples/blog/internal/service/article.go
index 6a7f2abf8..d213ff4be 100644
--- a/examples/blog/internal/service/article.go
+++ b/examples/blog/internal/service/article.go
@@ -4,8 +4,8 @@ import (
 	"context"
 	"go.opentelemetry.io/otel"
 
-	pb "github.com/go-kratos/examples/blog/api/blog/v1"
-	"github.com/go-kratos/examples/blog/internal/biz"
+	pb "github.com/go-kratos/kratos/examples/blog/api/blog/v1"
+	"github.com/go-kratos/kratos/examples/blog/internal/biz"
 
 	"github.com/go-kratos/kratos/v2/log"
 )
diff --git a/examples/blog/internal/service/service.go b/examples/blog/internal/service/service.go
index e4676bf70..a66aea1ab 100644
--- a/examples/blog/internal/service/service.go
+++ b/examples/blog/internal/service/service.go
@@ -1,8 +1,8 @@
 package service
 
 import (
-	pb "github.com/go-kratos/examples/blog/api/blog/v1"
-	"github.com/go-kratos/examples/blog/internal/biz"
+	pb "github.com/go-kratos/kratos/examples/blog/api/blog/v1"
+	"github.com/go-kratos/kratos/examples/blog/internal/biz"
 
 	"github.com/go-kratos/kratos/v2/log"
 	"github.com/google/wire"
diff --git a/examples/blog/pkg/middleware/trace.go b/examples/blog/pkg/middleware/trace.go
index cf03e18be..2cbe97155 100644
--- a/examples/blog/pkg/middleware/trace.go
+++ b/examples/blog/pkg/middleware/trace.go
@@ -2,75 +2,105 @@ package tracing
 
 import (
 	"context"
+	"go.opentelemetry.io/otel"
+	"go.opentelemetry.io/otel/label"
+	"go.opentelemetry.io/otel/propagation"
+	"google.golang.org/grpc/metadata"
 
 	"github.com/go-kratos/kratos/v2/middleware"
 	"github.com/go-kratos/kratos/v2/transport/grpc"
 	"github.com/go-kratos/kratos/v2/transport/http"
-	"github.com/opentracing/opentracing-go"
-	"github.com/opentracing/opentracing-go/ext"
-	"github.com/opentracing/opentracing-go/log"
-	"google.golang.org/grpc/metadata"
+
+	oteltrace "go.opentelemetry.io/otel/trace"
 )
 
+var _ propagation.TextMapCarrier = &MetadataCarrier{}
+
 // Option is tracing option.
 type Option func(*options)
 
 type options struct {
-	tracer opentracing.Tracer
+	TracerProvider oteltrace.TracerProvider
+	Propagators    propagation.TextMapPropagator
 }
 
-// WithTracer sets a custom tracer to be used for this middleware, otherwise the opentracing.GlobalTracer is used.
-func WithTracer(tracer opentracing.Tracer) Option {
-	return func(o *options) {
-		o.tracer = tracer
+func WithPropagators(propagators propagation.TextMapPropagator) Option {
+	return func(opts *options) {
+		opts.Propagators = propagators
 	}
 }
 
-// Server returns a new server middleware for OpenTracing.
+func WithTracerProvider(provider oteltrace.TracerProvider) Option {
+	return func(opts *options) {
+		opts.TracerProvider = provider
+	}
+}
+
+type MetadataCarrier struct {
+	md *metadata.MD
+}
+
+func (mc MetadataCarrier) Get(key string) string {
+	values := mc.md.Get(key)
+	if len(values) == 0 {
+		return ""
+	}
+	return values[0]
+}
+
+// Set stores the key-value pair.
+func (mc MetadataCarrier) Set(key string, value string) {
+	mc.md.Set(key, value)
+}
+
+// Server returns a new server middleware for OpenTelemetry.
 func Server(opts ...Option) middleware.Middleware {
-	options := options{
-		tracer: opentracing.GlobalTracer(),
-	}
+	options := options{}
 	for _, o := range opts {
 		o(&options)
 	}
+	if options.TracerProvider == nil {
+		options.TracerProvider = otel.GetTracerProvider()
+	}
+	if options.TracerProvider == nil {
+		options.TracerProvider = otel.GetTracerProvider()
+	}
+	tracer := options.TracerProvider.Tracer(
+		"default",
+	)
+	if options.Propagators == nil {
+		options.Propagators = otel.GetTextMapPropagator()
+	}
 	return func(handler middleware.Handler) middleware.Handler {
 		return func(ctx context.Context, req interface{}) (reply interface{}, err error) {
 			var (
-				component   string
-				operation   string
-				spanContext opentracing.SpanContext
+				component string
+				operation string
 			)
 			if info, ok := http.FromServerContext(ctx); ok {
 				// HTTP span
 				component = "HTTP"
 				operation = info.Request.RequestURI
-				spanContext, _ = options.tracer.Extract(
-					opentracing.HTTPHeaders,
-					opentracing.HTTPHeadersCarrier(info.Request.Header),
-				)
+				ctx = propagation.NewCompositeTextMapPropagator(options.Propagators).Extract(ctx, info.Request.Header)
 			} else if info, ok := grpc.FromServerContext(ctx); ok {
 				// gRPC span
 				component = "gRPC"
 				operation = info.FullMethod
 				if md, ok := metadata.FromIncomingContext(ctx); ok {
-					spanContext, _ = options.tracer.Extract(
-						opentracing.HTTPHeaders,
-						opentracing.HTTPHeadersCarrier(md),
-					)
+					ctx = propagation.NewCompositeTextMapPropagator(options.Propagators).Extract(ctx, MetadataCarrier{md: &md})
 				}
 			}
-			span := options.tracer.StartSpan(
+			ctx, span := tracer.Start(ctx,
 				operation,
-				ext.RPCServerOption(spanContext),
-				opentracing.Tag{Key: string(ext.Component), Value: component},
+				oteltrace.WithAttributes(label.String("component", component)),
+				oteltrace.WithSpanKind(oteltrace.SpanKindServer),
 			)
-			defer span.Finish()
+			defer span.End()
 			if reply, err = handler(ctx, req); err != nil {
-				ext.Error.Set(span, true)
-				span.LogFields(
-					log.String("event", "error"),
-					log.String("message", err.Error()),
+				span.RecordError(err)
+				span.SetAttributes(
+					label.String("event", "error"),
+					label.String("message", err.Error()),
 				)
 			}
 			return
diff --git a/examples/go.mod b/examples/go.mod
index 65b6056d4..157d0f4a5 100644
--- a/examples/go.mod
+++ b/examples/go.mod
@@ -1,4 +1,4 @@
-module github.com/go-kratos/examples
+module github.com/go-kratos/kratos/examples
 
 go 1.15
 
@@ -16,18 +16,19 @@ require (
 	github.com/gorilla/mux v1.8.0
 	github.com/hashicorp/consul/api v1.8.1
 	github.com/hashicorp/go-sockaddr v1.0.2 // indirect
-	github.com/imdario/mergo v0.3.11 // indirect
+	github.com/imdario/mergo v0.3.12 // indirect
 	github.com/kr/text v0.2.0 // indirect
 	github.com/leodido/go-urn v1.2.1 // indirect
-	github.com/opentracing/opentracing-go v1.2.0
 	github.com/ugorji/go v1.2.3 // indirect
 	go.opentelemetry.io/otel v0.17.0
 	go.opentelemetry.io/otel/exporters/trace/jaeger v0.17.0
 	go.opentelemetry.io/otel/sdk v0.17.0
-	golang.org/x/crypto v0.0.0-20201221181555-eec23a3978ad // indirect
+	go.opentelemetry.io/otel/trace v0.17.0
+	golang.org/x/crypto v0.0.0-20210220033148-5ea612d1eb83 // indirect
 	golang.org/x/net v0.0.0-20210226172049-e18ecbb05110 // indirect
 	golang.org/x/sync v0.0.0-20210220032951-036812b2e83c // indirect
-	google.golang.org/genproto v0.0.0-20210226172003-ab064af71705
+	golang.org/x/sys v0.0.0-20210309074719-68d13333faf2 // indirect
+	google.golang.org/genproto v0.0.0-20210309190941-1aeedc14537d
 	google.golang.org/grpc v1.36.0
 	google.golang.org/protobuf v1.25.1-0.20200805231151-a709e31e5d12
 	gopkg.in/check.v1 v1.0.0-20201130134442-10cb98267c6c // indirect
diff --git a/examples/go.sum b/examples/go.sum
index c264196f6..762d3f407 100644
--- a/examples/go.sum
+++ b/examples/go.sum
@@ -264,8 +264,8 @@ github.com/hpcloud/tail v1.0.0/go.mod h1:ab1qPbhIpdTxEkNHXyeSf5vhxWSCs/tWer42PpO
 github.com/ianlancetaylor/demangle v0.0.0-20181102032728-5e5cf60278f6/go.mod h1:aSSvb/t6k1mPoxDqO4vJh6VOCGPwU4O0C2/Eqndh1Sc=
 github.com/ianlancetaylor/demangle v0.0.0-20200824232613-28f6c0f3b639/go.mod h1:aSSvb/t6k1mPoxDqO4vJh6VOCGPwU4O0C2/Eqndh1Sc=
 github.com/imdario/mergo v0.3.6/go.mod h1:2EnlNZ0deacrJVfApfmtdGgDfMuh/nq6Ok1EcJh5FfA=
-github.com/imdario/mergo v0.3.11 h1:3tnifQM4i+fbajXKBHXWEH+KvNHqojZ778UH75j3bGA=
-github.com/imdario/mergo v0.3.11/go.mod h1:jmQim1M+e3UYxmgPu/WyfjB3N3VflVyUjjjwH0dnCYA=
+github.com/imdario/mergo v0.3.12 h1:b6R2BslTbIEToALKP7LxUvijTsNI9TAe80pLWN2g/HU=
+github.com/imdario/mergo v0.3.12/go.mod h1:jmQim1M+e3UYxmgPu/WyfjB3N3VflVyUjjjwH0dnCYA=
 github.com/inconshreveable/mousetrap v1.0.0/go.mod h1:PxqpIevigyE2G7u3NXJIT2ANytuPF1OarO4DADm73n8=
 github.com/jessevdk/go-flags v1.4.0/go.mod h1:4FA24M0QyGHXBuZZK/XkWh8h0e1EYbRYJSGM75WSRxI=
 github.com/jonboulle/clockwork v0.1.0/go.mod h1:Ii8DK3G1RaLaWxj9trq07+26W01tbo22gdxWY5EU2bo=
@@ -459,8 +459,8 @@ golang.org/x/crypto v0.0.0-20190605123033-f99c8df09eb5/go.mod h1:yigFU9vqHzYiE8U
 golang.org/x/crypto v0.0.0-20190923035154-9ee001bba392/go.mod h1:/lpIB1dKB+9EgE3H3cr1v9wB50oz8l4C4h62xy7jSTY=
 golang.org/x/crypto v0.0.0-20191011191535-87dc89f01550/go.mod h1:yigFU9vqHzYiE8UmvKecakEJjdnWj3jj499lnFckfCI=
 golang.org/x/crypto v0.0.0-20200622213623-75b288015ac9/go.mod h1:LzIPMQfyMNhhGPhUkYOs5KpL4U8rLKemX1yGLhDgUto=
-golang.org/x/crypto v0.0.0-20201221181555-eec23a3978ad h1:DN0cp81fZ3njFcrLCytUHRSUkqBjfTo4Tx9RJTWs0EY=
-golang.org/x/crypto v0.0.0-20201221181555-eec23a3978ad/go.mod h1:jdWPYTVW3xRLrWPugEBEK3UY2ZEsg3UU495nc5E+M+I=
+golang.org/x/crypto v0.0.0-20210220033148-5ea612d1eb83 h1:/ZScEX8SfEmUGRHs0gxpqteO5nfNW6axyZbBdw9A12g=
+golang.org/x/crypto v0.0.0-20210220033148-5ea612d1eb83/go.mod h1:jdWPYTVW3xRLrWPugEBEK3UY2ZEsg3UU495nc5E+M+I=
 golang.org/x/exp v0.0.0-20190121172915-509febef88a4/go.mod h1:CJ0aWSM057203Lf6IL+f9T1iT9GByDxfZKAQTCR3kQA=
 golang.org/x/exp v0.0.0-20190306152737-a1d7652674e8/go.mod h1:CJ0aWSM057203Lf6IL+f9T1iT9GByDxfZKAQTCR3kQA=
 golang.org/x/exp v0.0.0-20190510132918-efd6b22b2522/go.mod h1:ZjyILWgesfNpC6sMxTJOJm9Kp84zZh5NQWvqDGG3Qr8=
@@ -605,8 +605,9 @@ golang.org/x/sys v0.0.0-20201119102817-f84b799fce68/go.mod h1:h1NjWce9XRLGQEsW7w
 golang.org/x/sys v0.0.0-20201201145000-ef89a241ccb3/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
 golang.org/x/sys v0.0.0-20210104204734-6f8348627aad/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
 golang.org/x/sys v0.0.0-20210112080510-489259a85091/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
-golang.org/x/sys v0.0.0-20210228012217-479acdf4ea46 h1:V066+OYJ66oTjnhm4Yrn7SXIwSCiDQJxpBxmvqb1N1c=
 golang.org/x/sys v0.0.0-20210228012217-479acdf4ea46/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
+golang.org/x/sys v0.0.0-20210309074719-68d13333faf2 h1:46ULzRKLh1CwgRq2dC5SlBzEqqNCi8rreOZnNrbqcIY=
+golang.org/x/sys v0.0.0-20210309074719-68d13333faf2/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
 golang.org/x/term v0.0.0-20201117132131-f5c789dd3221/go.mod h1:Nr5EML6q2oocZ2LXRh80K7BxOlk5/8JxuGnuhpl+muw=
 golang.org/x/term v0.0.0-20201126162022-7de9c90e9dd1/go.mod h1:bj7SfCRtBDWHUb9snDiAeCFNEtKQo2Wmx5Cou7ajbmo=
 golang.org/x/text v0.0.0-20170915032832-14c0d48ead0c/go.mod h1:NqM8EUOU14njkJ3fqMW+pc6Ldnwhi/IjpwHt7yyuwOQ=
@@ -740,8 +741,8 @@ google.golang.org/genproto v0.0.0-20201201144952-b05cb90ed32e/go.mod h1:FWY/as6D
 google.golang.org/genproto v0.0.0-20201210142538-e3217bee35cc/go.mod h1:FWY/as6DDZQgahTzZj3fqbO1CbirC29ZNUFHwi0/+no=
 google.golang.org/genproto v0.0.0-20201214200347-8c77b98c765d/go.mod h1:FWY/as6DDZQgahTzZj3fqbO1CbirC29ZNUFHwi0/+no=
 google.golang.org/genproto v0.0.0-20210114201628-6edceaf6022f/go.mod h1:FWY/as6DDZQgahTzZj3fqbO1CbirC29ZNUFHwi0/+no=
-google.golang.org/genproto v0.0.0-20210226172003-ab064af71705 h1:PYBmACG+YEv8uQPW0r1kJj8tR+gkF0UWq7iFdUezwEw=
-google.golang.org/genproto v0.0.0-20210226172003-ab064af71705/go.mod h1:FWY/as6DDZQgahTzZj3fqbO1CbirC29ZNUFHwi0/+no=
+google.golang.org/genproto v0.0.0-20210309190941-1aeedc14537d h1:sWOBy5pWexdIILaM1hND+dymU2yY4yvDUbUTQJdek6Q=
+google.golang.org/genproto v0.0.0-20210309190941-1aeedc14537d/go.mod h1:FWY/as6DDZQgahTzZj3fqbO1CbirC29ZNUFHwi0/+no=
 google.golang.org/grpc v1.19.0/go.mod h1:mqu4LbDTu4XGKhr4mRzUsmM4RtVoemTSY81AxZiDr8c=
 google.golang.org/grpc v1.20.1/go.mod h1:10oTOabMzJvdu6/UiuZezV6QK5dSlG84ov/aaiqXj38=
 google.golang.org/grpc v1.21.1/go.mod h1:oYelfM1adQP15Ek0mdvEgi9Df8B9CZIaU1084ijfRaM=
diff --git a/examples/helloworld/client/main.go b/examples/helloworld/client/main.go
index 0066f0f4c..2a460477a 100644
--- a/examples/helloworld/client/main.go
+++ b/examples/helloworld/client/main.go
@@ -5,7 +5,7 @@ import (
 	"log"
 	"net/http"
 
-	pb "github.com/go-kratos/examples/helloworld/helloworld"
+	pb "github.com/go-kratos/kratos/examples/helloworld/helloworld"
 	"github.com/go-kratos/kratos/v2/errors"
 	"github.com/go-kratos/kratos/v2/middleware"
 	"github.com/go-kratos/kratos/v2/middleware/recovery"
diff --git a/examples/helloworld/server/main.go b/examples/helloworld/server/main.go
index 71cbbebd2..35ade2940 100644
--- a/examples/helloworld/server/main.go
+++ b/examples/helloworld/server/main.go
@@ -5,7 +5,7 @@ import (
 	"fmt"
 	"os"
 
-	pb "github.com/go-kratos/examples/helloworld/helloworld"
+	pb "github.com/go-kratos/kratos/examples/helloworld/helloworld"
 	"github.com/go-kratos/kratos/v2"
 	"github.com/go-kratos/kratos/v2/errors"
 	"github.com/go-kratos/kratos/v2/log"
diff --git a/examples/registry/consul/client/main.go b/examples/registry/consul/client/main.go
index 6cc257d53..366c38f80 100644
--- a/examples/registry/consul/client/main.go
+++ b/examples/registry/consul/client/main.go
@@ -5,7 +5,7 @@ import (
 	"log"
 
 	consul "github.com/go-kratos/consul/registry"
-	pb "github.com/go-kratos/examples/helloworld/helloworld"
+	pb "github.com/go-kratos/kratos/examples/helloworld/helloworld"
 	transgrpc "github.com/go-kratos/kratos/v2/transport/grpc"
 	"github.com/hashicorp/consul/api"
 )
diff --git a/examples/registry/consul/server/main.go b/examples/registry/consul/server/main.go
index a5bc0d7cb..f449d95d5 100644
--- a/examples/registry/consul/server/main.go
+++ b/examples/registry/consul/server/main.go
@@ -6,7 +6,7 @@ import (
 	"os"
 
 	consul "github.com/go-kratos/consul/registry"
-	pb "github.com/go-kratos/examples/helloworld/helloworld"
+	pb "github.com/go-kratos/kratos/examples/helloworld/helloworld"
 	"github.com/go-kratos/kratos/v2"
 	"github.com/go-kratos/kratos/v2/log"
 	"github.com/go-kratos/kratos/v2/transport/grpc"