diff --git a/client/dtmgrpc/dtmgpb/dtmgimp.pb.go b/client/dtmgrpc/dtmgpb/dtmgimp.pb.go
index 35cd8d4..6b7a547 100644
--- a/client/dtmgrpc/dtmgpb/dtmgimp.pb.go
+++ b/client/dtmgrpc/dtmgpb/dtmgimp.pb.go
@@ -2,7 +2,7 @@
 // versions:
 // 	protoc-gen-go v1.28.0
 // 	protoc        v3.17.3
-// source: dtmgrpc/dtmgpb/dtmgimp.proto
+// source: client/dtmgrpc/dtmgpb/dtmgimp.proto
 
 package dtmgpb
 
@@ -37,7 +37,7 @@ type DtmTransOptions struct {
 func (x *DtmTransOptions) Reset() {
 	*x = DtmTransOptions{}
 	if protoimpl.UnsafeEnabled {
-		mi := &file_dtmgrpc_dtmgpb_dtmgimp_proto_msgTypes[0]
+		mi := &file_client_dtmgrpc_dtmgpb_dtmgimp_proto_msgTypes[0]
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		ms.StoreMessageInfo(mi)
 	}
@@ -50,7 +50,7 @@ func (x *DtmTransOptions) String() string {
 func (*DtmTransOptions) ProtoMessage() {}
 
 func (x *DtmTransOptions) ProtoReflect() protoreflect.Message {
-	mi := &file_dtmgrpc_dtmgpb_dtmgimp_proto_msgTypes[0]
+	mi := &file_client_dtmgrpc_dtmgpb_dtmgimp_proto_msgTypes[0]
 	if protoimpl.UnsafeEnabled && x != nil {
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		if ms.LoadMessageInfo() == nil {
@@ -63,7 +63,7 @@ func (x *DtmTransOptions) ProtoReflect() protoreflect.Message {
 
 // Deprecated: Use DtmTransOptions.ProtoReflect.Descriptor instead.
 func (*DtmTransOptions) Descriptor() ([]byte, []int) {
-	return file_dtmgrpc_dtmgpb_dtmgimp_proto_rawDescGZIP(), []int{0}
+	return file_client_dtmgrpc_dtmgpb_dtmgimp_proto_rawDescGZIP(), []int{0}
 }
 
 func (x *DtmTransOptions) GetWaitResult() bool {
@@ -128,7 +128,7 @@ type DtmRequest struct {
 func (x *DtmRequest) Reset() {
 	*x = DtmRequest{}
 	if protoimpl.UnsafeEnabled {
-		mi := &file_dtmgrpc_dtmgpb_dtmgimp_proto_msgTypes[1]
+		mi := &file_client_dtmgrpc_dtmgpb_dtmgimp_proto_msgTypes[1]
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		ms.StoreMessageInfo(mi)
 	}
@@ -141,7 +141,7 @@ func (x *DtmRequest) String() string {
 func (*DtmRequest) ProtoMessage() {}
 
 func (x *DtmRequest) ProtoReflect() protoreflect.Message {
-	mi := &file_dtmgrpc_dtmgpb_dtmgimp_proto_msgTypes[1]
+	mi := &file_client_dtmgrpc_dtmgpb_dtmgimp_proto_msgTypes[1]
 	if protoimpl.UnsafeEnabled && x != nil {
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		if ms.LoadMessageInfo() == nil {
@@ -154,7 +154,7 @@ func (x *DtmRequest) ProtoReflect() protoreflect.Message {
 
 // Deprecated: Use DtmRequest.ProtoReflect.Descriptor instead.
 func (*DtmRequest) Descriptor() ([]byte, []int) {
-	return file_dtmgrpc_dtmgpb_dtmgimp_proto_rawDescGZIP(), []int{1}
+	return file_client_dtmgrpc_dtmgpb_dtmgimp_proto_rawDescGZIP(), []int{1}
 }
 
 func (x *DtmRequest) GetGid() string {
@@ -231,7 +231,7 @@ type DtmGidReply struct {
 func (x *DtmGidReply) Reset() {
 	*x = DtmGidReply{}
 	if protoimpl.UnsafeEnabled {
-		mi := &file_dtmgrpc_dtmgpb_dtmgimp_proto_msgTypes[2]
+		mi := &file_client_dtmgrpc_dtmgpb_dtmgimp_proto_msgTypes[2]
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		ms.StoreMessageInfo(mi)
 	}
@@ -244,7 +244,7 @@ func (x *DtmGidReply) String() string {
 func (*DtmGidReply) ProtoMessage() {}
 
 func (x *DtmGidReply) ProtoReflect() protoreflect.Message {
-	mi := &file_dtmgrpc_dtmgpb_dtmgimp_proto_msgTypes[2]
+	mi := &file_client_dtmgrpc_dtmgpb_dtmgimp_proto_msgTypes[2]
 	if protoimpl.UnsafeEnabled && x != nil {
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		if ms.LoadMessageInfo() == nil {
@@ -257,7 +257,7 @@ func (x *DtmGidReply) ProtoReflect() protoreflect.Message {
 
 // Deprecated: Use DtmGidReply.ProtoReflect.Descriptor instead.
 func (*DtmGidReply) Descriptor() ([]byte, []int) {
-	return file_dtmgrpc_dtmgpb_dtmgimp_proto_rawDescGZIP(), []int{2}
+	return file_client_dtmgrpc_dtmgpb_dtmgimp_proto_rawDescGZIP(), []int{2}
 }
 
 func (x *DtmGidReply) GetGid() string {
@@ -283,7 +283,7 @@ type DtmBranchRequest struct {
 func (x *DtmBranchRequest) Reset() {
 	*x = DtmBranchRequest{}
 	if protoimpl.UnsafeEnabled {
-		mi := &file_dtmgrpc_dtmgpb_dtmgimp_proto_msgTypes[3]
+		mi := &file_client_dtmgrpc_dtmgpb_dtmgimp_proto_msgTypes[3]
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		ms.StoreMessageInfo(mi)
 	}
@@ -296,7 +296,7 @@ func (x *DtmBranchRequest) String() string {
 func (*DtmBranchRequest) ProtoMessage() {}
 
 func (x *DtmBranchRequest) ProtoReflect() protoreflect.Message {
-	mi := &file_dtmgrpc_dtmgpb_dtmgimp_proto_msgTypes[3]
+	mi := &file_client_dtmgrpc_dtmgpb_dtmgimp_proto_msgTypes[3]
 	if protoimpl.UnsafeEnabled && x != nil {
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		if ms.LoadMessageInfo() == nil {
@@ -309,7 +309,7 @@ func (x *DtmBranchRequest) ProtoReflect() protoreflect.Message {
 
 // Deprecated: Use DtmBranchRequest.ProtoReflect.Descriptor instead.
 func (*DtmBranchRequest) Descriptor() ([]byte, []int) {
-	return file_dtmgrpc_dtmgpb_dtmgimp_proto_rawDescGZIP(), []int{3}
+	return file_client_dtmgrpc_dtmgpb_dtmgimp_proto_rawDescGZIP(), []int{3}
 }
 
 func (x *DtmBranchRequest) GetGid() string {
@@ -359,13 +359,14 @@ type DtmProgressesReply struct {
 	sizeCache     protoimpl.SizeCache
 	unknownFields protoimpl.UnknownFields
 
-	Progresses []*DtmProgress `protobuf:"bytes,1,rep,name=Progresses,proto3" json:"Progresses,omitempty"`
+	Transaction *DtmTransaction `protobuf:"bytes,1,opt,name=Transaction,proto3" json:"Transaction,omitempty"`
+	Progresses  []*DtmProgress  `protobuf:"bytes,2,rep,name=Progresses,proto3" json:"Progresses,omitempty"`
 }
 
 func (x *DtmProgressesReply) Reset() {
 	*x = DtmProgressesReply{}
 	if protoimpl.UnsafeEnabled {
-		mi := &file_dtmgrpc_dtmgpb_dtmgimp_proto_msgTypes[4]
+		mi := &file_client_dtmgrpc_dtmgpb_dtmgimp_proto_msgTypes[4]
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		ms.StoreMessageInfo(mi)
 	}
@@ -378,7 +379,7 @@ func (x *DtmProgressesReply) String() string {
 func (*DtmProgressesReply) ProtoMessage() {}
 
 func (x *DtmProgressesReply) ProtoReflect() protoreflect.Message {
-	mi := &file_dtmgrpc_dtmgpb_dtmgimp_proto_msgTypes[4]
+	mi := &file_client_dtmgrpc_dtmgpb_dtmgimp_proto_msgTypes[4]
 	if protoimpl.UnsafeEnabled && x != nil {
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		if ms.LoadMessageInfo() == nil {
@@ -391,7 +392,14 @@ func (x *DtmProgressesReply) ProtoReflect() protoreflect.Message {
 
 // Deprecated: Use DtmProgressesReply.ProtoReflect.Descriptor instead.
 func (*DtmProgressesReply) Descriptor() ([]byte, []int) {
-	return file_dtmgrpc_dtmgpb_dtmgimp_proto_rawDescGZIP(), []int{4}
+	return file_client_dtmgrpc_dtmgpb_dtmgimp_proto_rawDescGZIP(), []int{4}
+}
+
+func (x *DtmProgressesReply) GetTransaction() *DtmTransaction {
+	if x != nil {
+		return x.Transaction
+	}
+	return nil
 }
 
 func (x *DtmProgressesReply) GetProgresses() []*DtmProgress {
@@ -401,6 +409,69 @@ func (x *DtmProgressesReply) GetProgresses() []*DtmProgress {
 	return nil
 }
 
+type DtmTransaction struct {
+	state         protoimpl.MessageState
+	sizeCache     protoimpl.SizeCache
+	unknownFields protoimpl.UnknownFields
+
+	Gid            string `protobuf:"bytes,1,opt,name=Gid,proto3" json:"Gid,omitempty"`
+	Status         string `protobuf:"bytes,2,opt,name=Status,proto3" json:"Status,omitempty"`
+	RollbackReason string `protobuf:"bytes,3,opt,name=RollbackReason,proto3" json:"RollbackReason,omitempty"`
+}
+
+func (x *DtmTransaction) Reset() {
+	*x = DtmTransaction{}
+	if protoimpl.UnsafeEnabled {
+		mi := &file_client_dtmgrpc_dtmgpb_dtmgimp_proto_msgTypes[5]
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		ms.StoreMessageInfo(mi)
+	}
+}
+
+func (x *DtmTransaction) String() string {
+	return protoimpl.X.MessageStringOf(x)
+}
+
+func (*DtmTransaction) ProtoMessage() {}
+
+func (x *DtmTransaction) ProtoReflect() protoreflect.Message {
+	mi := &file_client_dtmgrpc_dtmgpb_dtmgimp_proto_msgTypes[5]
+	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 DtmTransaction.ProtoReflect.Descriptor instead.
+func (*DtmTransaction) Descriptor() ([]byte, []int) {
+	return file_client_dtmgrpc_dtmgpb_dtmgimp_proto_rawDescGZIP(), []int{5}
+}
+
+func (x *DtmTransaction) GetGid() string {
+	if x != nil {
+		return x.Gid
+	}
+	return ""
+}
+
+func (x *DtmTransaction) GetStatus() string {
+	if x != nil {
+		return x.Status
+	}
+	return ""
+}
+
+func (x *DtmTransaction) GetRollbackReason() string {
+	if x != nil {
+		return x.RollbackReason
+	}
+	return ""
+}
+
 type DtmProgress struct {
 	state         protoimpl.MessageState
 	sizeCache     protoimpl.SizeCache
@@ -415,7 +486,7 @@ type DtmProgress struct {
 func (x *DtmProgress) Reset() {
 	*x = DtmProgress{}
 	if protoimpl.UnsafeEnabled {
-		mi := &file_dtmgrpc_dtmgpb_dtmgimp_proto_msgTypes[5]
+		mi := &file_client_dtmgrpc_dtmgpb_dtmgimp_proto_msgTypes[6]
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		ms.StoreMessageInfo(mi)
 	}
@@ -428,7 +499,7 @@ func (x *DtmProgress) String() string {
 func (*DtmProgress) ProtoMessage() {}
 
 func (x *DtmProgress) ProtoReflect() protoreflect.Message {
-	mi := &file_dtmgrpc_dtmgpb_dtmgimp_proto_msgTypes[5]
+	mi := &file_client_dtmgrpc_dtmgpb_dtmgimp_proto_msgTypes[6]
 	if protoimpl.UnsafeEnabled && x != nil {
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		if ms.LoadMessageInfo() == nil {
@@ -441,7 +512,7 @@ func (x *DtmProgress) ProtoReflect() protoreflect.Message {
 
 // Deprecated: Use DtmProgress.ProtoReflect.Descriptor instead.
 func (*DtmProgress) Descriptor() ([]byte, []int) {
-	return file_dtmgrpc_dtmgpb_dtmgimp_proto_rawDescGZIP(), []int{5}
+	return file_client_dtmgrpc_dtmgpb_dtmgimp_proto_rawDescGZIP(), []int{6}
 }
 
 func (x *DtmProgress) GetStatus() string {
@@ -472,177 +543,189 @@ func (x *DtmProgress) GetOp() string {
 	return ""
 }
 
-var File_dtmgrpc_dtmgpb_dtmgimp_proto protoreflect.FileDescriptor
-
-var file_dtmgrpc_dtmgpb_dtmgimp_proto_rawDesc = []byte{
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+
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+	0x62, 0x62, 0x06, 0x70, 0x72, 0x6f, 0x74, 0x6f, 0x33,
 }
 
 var (
-	file_dtmgrpc_dtmgpb_dtmgimp_proto_rawDescOnce sync.Once
-	file_dtmgrpc_dtmgpb_dtmgimp_proto_rawDescData = file_dtmgrpc_dtmgpb_dtmgimp_proto_rawDesc
+	file_client_dtmgrpc_dtmgpb_dtmgimp_proto_rawDescOnce sync.Once
+	file_client_dtmgrpc_dtmgpb_dtmgimp_proto_rawDescData = file_client_dtmgrpc_dtmgpb_dtmgimp_proto_rawDesc
 )
 
-func file_dtmgrpc_dtmgpb_dtmgimp_proto_rawDescGZIP() []byte {
-	file_dtmgrpc_dtmgpb_dtmgimp_proto_rawDescOnce.Do(func() {
-		file_dtmgrpc_dtmgpb_dtmgimp_proto_rawDescData = protoimpl.X.CompressGZIP(file_dtmgrpc_dtmgpb_dtmgimp_proto_rawDescData)
+func file_client_dtmgrpc_dtmgpb_dtmgimp_proto_rawDescGZIP() []byte {
+	file_client_dtmgrpc_dtmgpb_dtmgimp_proto_rawDescOnce.Do(func() {
+		file_client_dtmgrpc_dtmgpb_dtmgimp_proto_rawDescData = protoimpl.X.CompressGZIP(file_client_dtmgrpc_dtmgpb_dtmgimp_proto_rawDescData)
 	})
-	return file_dtmgrpc_dtmgpb_dtmgimp_proto_rawDescData
+	return file_client_dtmgrpc_dtmgpb_dtmgimp_proto_rawDescData
 }
 
-var file_dtmgrpc_dtmgpb_dtmgimp_proto_msgTypes = make([]protoimpl.MessageInfo, 9)
-var file_dtmgrpc_dtmgpb_dtmgimp_proto_goTypes = []interface{}{
+var file_client_dtmgrpc_dtmgpb_dtmgimp_proto_msgTypes = make([]protoimpl.MessageInfo, 10)
+var file_client_dtmgrpc_dtmgpb_dtmgimp_proto_goTypes = []interface{}{
 	(*DtmTransOptions)(nil),    // 0: dtmgimp.DtmTransOptions
 	(*DtmRequest)(nil),         // 1: dtmgimp.DtmRequest
 	(*DtmGidReply)(nil),        // 2: dtmgimp.DtmGidReply
 	(*DtmBranchRequest)(nil),   // 3: dtmgimp.DtmBranchRequest
 	(*DtmProgressesReply)(nil), // 4: dtmgimp.DtmProgressesReply
-	(*DtmProgress)(nil),        // 5: dtmgimp.DtmProgress
-	nil,                        // 6: dtmgimp.DtmTransOptions.BranchHeadersEntry
-	nil,                        // 7: dtmgimp.DtmRequest.ReqExtraEntry
-	nil,                        // 8: dtmgimp.DtmBranchRequest.DataEntry
-	(*emptypb.Empty)(nil),      // 9: google.protobuf.Empty
-}
-var file_dtmgrpc_dtmgpb_dtmgimp_proto_depIdxs = []int32{
-	6,  // 0: dtmgimp.DtmTransOptions.BranchHeaders:type_name -> dtmgimp.DtmTransOptions.BranchHeadersEntry
+	(*DtmTransaction)(nil),     // 5: dtmgimp.DtmTransaction
+	(*DtmProgress)(nil),        // 6: dtmgimp.DtmProgress
+	nil,                        // 7: dtmgimp.DtmTransOptions.BranchHeadersEntry
+	nil,                        // 8: dtmgimp.DtmRequest.ReqExtraEntry
+	nil,                        // 9: dtmgimp.DtmBranchRequest.DataEntry
+	(*emptypb.Empty)(nil),      // 10: google.protobuf.Empty
+}
+var file_client_dtmgrpc_dtmgpb_dtmgimp_proto_depIdxs = []int32{
+	7,  // 0: dtmgimp.DtmTransOptions.BranchHeaders:type_name -> dtmgimp.DtmTransOptions.BranchHeadersEntry
 	0,  // 1: dtmgimp.DtmRequest.TransOptions:type_name -> dtmgimp.DtmTransOptions
-	7,  // 2: dtmgimp.DtmRequest.ReqExtra:type_name -> dtmgimp.DtmRequest.ReqExtraEntry
-	8,  // 3: dtmgimp.DtmBranchRequest.Data:type_name -> dtmgimp.DtmBranchRequest.DataEntry
-	5,  // 4: dtmgimp.DtmProgressesReply.Progresses:type_name -> dtmgimp.DtmProgress
-	9,  // 5: dtmgimp.Dtm.NewGid:input_type -> google.protobuf.Empty
-	1,  // 6: dtmgimp.Dtm.Submit:input_type -> dtmgimp.DtmRequest
-	1,  // 7: dtmgimp.Dtm.Prepare:input_type -> dtmgimp.DtmRequest
-	1,  // 8: dtmgimp.Dtm.Abort:input_type -> dtmgimp.DtmRequest
-	3,  // 9: dtmgimp.Dtm.RegisterBranch:input_type -> dtmgimp.DtmBranchRequest
-	1,  // 10: dtmgimp.Dtm.PrepareWorkflow:input_type -> dtmgimp.DtmRequest
-	2,  // 11: dtmgimp.Dtm.NewGid:output_type -> dtmgimp.DtmGidReply
-	9,  // 12: dtmgimp.Dtm.Submit:output_type -> google.protobuf.Empty
-	9,  // 13: dtmgimp.Dtm.Prepare:output_type -> google.protobuf.Empty
-	9,  // 14: dtmgimp.Dtm.Abort:output_type -> google.protobuf.Empty
-	9,  // 15: dtmgimp.Dtm.RegisterBranch:output_type -> google.protobuf.Empty
-	4,  // 16: dtmgimp.Dtm.PrepareWorkflow:output_type -> dtmgimp.DtmProgressesReply
-	11, // [11:17] is the sub-list for method output_type
-	5,  // [5:11] 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_dtmgrpc_dtmgpb_dtmgimp_proto_init() }
-func file_dtmgrpc_dtmgpb_dtmgimp_proto_init() {
-	if File_dtmgrpc_dtmgpb_dtmgimp_proto != nil {
+	8,  // 2: dtmgimp.DtmRequest.ReqExtra:type_name -> dtmgimp.DtmRequest.ReqExtraEntry
+	9,  // 3: dtmgimp.DtmBranchRequest.Data:type_name -> dtmgimp.DtmBranchRequest.DataEntry
+	5,  // 4: dtmgimp.DtmProgressesReply.Transaction:type_name -> dtmgimp.DtmTransaction
+	6,  // 5: dtmgimp.DtmProgressesReply.Progresses:type_name -> dtmgimp.DtmProgress
+	10, // 6: dtmgimp.Dtm.NewGid:input_type -> google.protobuf.Empty
+	1,  // 7: dtmgimp.Dtm.Submit:input_type -> dtmgimp.DtmRequest
+	1,  // 8: dtmgimp.Dtm.Prepare:input_type -> dtmgimp.DtmRequest
+	1,  // 9: dtmgimp.Dtm.Abort:input_type -> dtmgimp.DtmRequest
+	3,  // 10: dtmgimp.Dtm.RegisterBranch:input_type -> dtmgimp.DtmBranchRequest
+	1,  // 11: dtmgimp.Dtm.PrepareWorkflow:input_type -> dtmgimp.DtmRequest
+	2,  // 12: dtmgimp.Dtm.NewGid:output_type -> dtmgimp.DtmGidReply
+	10, // 13: dtmgimp.Dtm.Submit:output_type -> google.protobuf.Empty
+	10, // 14: dtmgimp.Dtm.Prepare:output_type -> google.protobuf.Empty
+	10, // 15: dtmgimp.Dtm.Abort:output_type -> google.protobuf.Empty
+	10, // 16: dtmgimp.Dtm.RegisterBranch:output_type -> google.protobuf.Empty
+	4,  // 17: dtmgimp.Dtm.PrepareWorkflow:output_type -> dtmgimp.DtmProgressesReply
+	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
+}
+
+func init() { file_client_dtmgrpc_dtmgpb_dtmgimp_proto_init() }
+func file_client_dtmgrpc_dtmgpb_dtmgimp_proto_init() {
+	if File_client_dtmgrpc_dtmgpb_dtmgimp_proto != nil {
 		return
 	}
 	if !protoimpl.UnsafeEnabled {
-		file_dtmgrpc_dtmgpb_dtmgimp_proto_msgTypes[0].Exporter = func(v interface{}, i int) interface{} {
+		file_client_dtmgrpc_dtmgpb_dtmgimp_proto_msgTypes[0].Exporter = func(v interface{}, i int) interface{} {
 			switch v := v.(*DtmTransOptions); i {
 			case 0:
 				return &v.state
@@ -654,7 +737,7 @@ func file_dtmgrpc_dtmgpb_dtmgimp_proto_init() {
 				return nil
 			}
 		}
-		file_dtmgrpc_dtmgpb_dtmgimp_proto_msgTypes[1].Exporter = func(v interface{}, i int) interface{} {
+		file_client_dtmgrpc_dtmgpb_dtmgimp_proto_msgTypes[1].Exporter = func(v interface{}, i int) interface{} {
 			switch v := v.(*DtmRequest); i {
 			case 0:
 				return &v.state
@@ -666,7 +749,7 @@ func file_dtmgrpc_dtmgpb_dtmgimp_proto_init() {
 				return nil
 			}
 		}
-		file_dtmgrpc_dtmgpb_dtmgimp_proto_msgTypes[2].Exporter = func(v interface{}, i int) interface{} {
+		file_client_dtmgrpc_dtmgpb_dtmgimp_proto_msgTypes[2].Exporter = func(v interface{}, i int) interface{} {
 			switch v := v.(*DtmGidReply); i {
 			case 0:
 				return &v.state
@@ -678,7 +761,7 @@ func file_dtmgrpc_dtmgpb_dtmgimp_proto_init() {
 				return nil
 			}
 		}
-		file_dtmgrpc_dtmgpb_dtmgimp_proto_msgTypes[3].Exporter = func(v interface{}, i int) interface{} {
+		file_client_dtmgrpc_dtmgpb_dtmgimp_proto_msgTypes[3].Exporter = func(v interface{}, i int) interface{} {
 			switch v := v.(*DtmBranchRequest); i {
 			case 0:
 				return &v.state
@@ -690,7 +773,7 @@ func file_dtmgrpc_dtmgpb_dtmgimp_proto_init() {
 				return nil
 			}
 		}
-		file_dtmgrpc_dtmgpb_dtmgimp_proto_msgTypes[4].Exporter = func(v interface{}, i int) interface{} {
+		file_client_dtmgrpc_dtmgpb_dtmgimp_proto_msgTypes[4].Exporter = func(v interface{}, i int) interface{} {
 			switch v := v.(*DtmProgressesReply); i {
 			case 0:
 				return &v.state
@@ -702,7 +785,19 @@ func file_dtmgrpc_dtmgpb_dtmgimp_proto_init() {
 				return nil
 			}
 		}
-		file_dtmgrpc_dtmgpb_dtmgimp_proto_msgTypes[5].Exporter = func(v interface{}, i int) interface{} {
+		file_client_dtmgrpc_dtmgpb_dtmgimp_proto_msgTypes[5].Exporter = func(v interface{}, i int) interface{} {
+			switch v := v.(*DtmTransaction); i {
+			case 0:
+				return &v.state
+			case 1:
+				return &v.sizeCache
+			case 2:
+				return &v.unknownFields
+			default:
+				return nil
+			}
+		}
+		file_client_dtmgrpc_dtmgpb_dtmgimp_proto_msgTypes[6].Exporter = func(v interface{}, i int) interface{} {
 			switch v := v.(*DtmProgress); i {
 			case 0:
 				return &v.state
@@ -719,18 +814,18 @@ func file_dtmgrpc_dtmgpb_dtmgimp_proto_init() {
 	out := protoimpl.TypeBuilder{
 		File: protoimpl.DescBuilder{
 			GoPackagePath: reflect.TypeOf(x{}).PkgPath(),
-			RawDescriptor: file_dtmgrpc_dtmgpb_dtmgimp_proto_rawDesc,
+			RawDescriptor: file_client_dtmgrpc_dtmgpb_dtmgimp_proto_rawDesc,
 			NumEnums:      0,
-			NumMessages:   9,
+			NumMessages:   10,
 			NumExtensions: 0,
 			NumServices:   1,
 		},
-		GoTypes:           file_dtmgrpc_dtmgpb_dtmgimp_proto_goTypes,
-		DependencyIndexes: file_dtmgrpc_dtmgpb_dtmgimp_proto_depIdxs,
-		MessageInfos:      file_dtmgrpc_dtmgpb_dtmgimp_proto_msgTypes,
+		GoTypes:           file_client_dtmgrpc_dtmgpb_dtmgimp_proto_goTypes,
+		DependencyIndexes: file_client_dtmgrpc_dtmgpb_dtmgimp_proto_depIdxs,
+		MessageInfos:      file_client_dtmgrpc_dtmgpb_dtmgimp_proto_msgTypes,
 	}.Build()
-	File_dtmgrpc_dtmgpb_dtmgimp_proto = out.File
-	file_dtmgrpc_dtmgpb_dtmgimp_proto_rawDesc = nil
-	file_dtmgrpc_dtmgpb_dtmgimp_proto_goTypes = nil
-	file_dtmgrpc_dtmgpb_dtmgimp_proto_depIdxs = nil
+	File_client_dtmgrpc_dtmgpb_dtmgimp_proto = out.File
+	file_client_dtmgrpc_dtmgpb_dtmgimp_proto_rawDesc = nil
+	file_client_dtmgrpc_dtmgpb_dtmgimp_proto_goTypes = nil
+	file_client_dtmgrpc_dtmgpb_dtmgimp_proto_depIdxs = nil
 }
diff --git a/client/dtmgrpc/dtmgpb/dtmgimp.proto b/client/dtmgrpc/dtmgpb/dtmgimp.proto
index 6005696..5e3459a 100644
--- a/client/dtmgrpc/dtmgpb/dtmgimp.proto
+++ b/client/dtmgrpc/dtmgpb/dtmgimp.proto
@@ -51,7 +51,14 @@ message DtmBranchRequest {
 }
 
 message DtmProgressesReply {
-  repeated DtmProgress Progresses = 1;
+  DtmTransaction Transaction = 1;
+  repeated DtmProgress Progresses = 2;
+}
+
+message DtmTransaction {
+  string Gid = 1;
+  string Status = 2;
+  string RollbackReason = 3;
 }
 
 message DtmProgress {
diff --git a/client/dtmgrpc/dtmgpb/dtmgimp_grpc.pb.go b/client/dtmgrpc/dtmgpb/dtmgimp_grpc.pb.go
index 6327fb7..4d875bf 100644
--- a/client/dtmgrpc/dtmgpb/dtmgimp_grpc.pb.go
+++ b/client/dtmgrpc/dtmgpb/dtmgimp_grpc.pb.go
@@ -2,7 +2,7 @@
 // versions:
 // - protoc-gen-go-grpc v1.2.0
 // - protoc             v3.17.3
-// source: dtmgrpc/dtmgpb/dtmgimp.proto
+// source: client/dtmgrpc/dtmgpb/dtmgimp.proto
 
 package dtmgpb
 
@@ -282,5 +282,5 @@ var Dtm_ServiceDesc = grpc.ServiceDesc{
 		},
 	},
 	Streams:  []grpc.StreamDesc{},
-	Metadata: "dtmgrpc/dtmgpb/dtmgimp.proto",
+	Metadata: "client/dtmgrpc/dtmgpb/dtmgimp.proto",
 }
diff --git a/client/workflow/rpc.go b/client/workflow/rpc.go
index b5e70a2..98b7e9e 100644
--- a/client/workflow/rpc.go
+++ b/client/workflow/rpc.go
@@ -20,11 +20,11 @@ func (wf *Workflow) getProgress() ([]*dtmgpb.DtmProgress, error) {
 		return nil, err
 	}
 	resp, err := dtmimp.RestyClient.R().SetBody(wf.TransBase).Post(wf.Dtm + "/prepareWorkflow")
-	var progresses []*dtmgpb.DtmProgress
+	var reply dtmgpb.DtmProgressesReply
 	if err == nil {
-		dtmimp.MustUnmarshal(resp.Body(), &progresses)
+		dtmimp.MustUnmarshal(resp.Body(), &reply)
 	}
-	return progresses, err
+	return reply.Progresses, err
 }
 
 func (wf *Workflow) submit(status string) error {
diff --git a/dtmsvr/api.go b/dtmsvr/api.go
index ccfba88..7d120e0 100644
--- a/dtmsvr/api.go
+++ b/dtmsvr/api.go
@@ -50,13 +50,14 @@ func svcPrepare(t *TransGlobal) interface{} {
 	return err
 }
 
-func svcPrepareWorkflow(t *TransGlobal) ([]TransBranch, error) {
+func svcPrepareWorkflow(t *TransGlobal) (*storage.TransGlobalStore, []TransBranch, error) {
 	t.Status = dtmcli.StatusPrepared
 	_, err := t.saveNew()
 	if err == storage.ErrUniqueConflict { // transaction exists, query the branches
-		return GetStore().FindBranches(t.Gid), nil
+		st := GetStore()
+		return st.FindTransGlobalStore(t.Gid), st.FindBranches(t.Gid), nil
 	}
-	return []TransBranch{}, err
+	return &t.TransGlobalStore, []TransBranch{}, err
 }
 
 func svcAbort(t *TransGlobal) interface{} {
diff --git a/dtmsvr/api_grpc.go b/dtmsvr/api_grpc.go
index 449937e..6fe216f 100644
--- a/dtmsvr/api_grpc.go
+++ b/dtmsvr/api_grpc.go
@@ -50,8 +50,13 @@ func (s *dtmServer) RegisterBranch(ctx context.Context, in *pb.DtmBranchRequest)
 }
 
 func (s *dtmServer) PrepareWorkflow(ctx context.Context, in *pb.DtmRequest) (*pb.DtmProgressesReply, error) {
-	branches, err := svcPrepareWorkflow(TransFromDtmRequest(ctx, in))
+	trans, branches, err := svcPrepareWorkflow(TransFromDtmRequest(ctx, in))
 	reply := &pb.DtmProgressesReply{
+		Transaction: &pb.DtmTransaction{
+			Gid:            trans.Gid,
+			Status:         trans.Status,
+			RollbackReason: trans.RollbackReason,
+		},
 		Progresses: []*pb.DtmProgress{},
 	}
 	for _, b := range branches {
diff --git a/dtmsvr/api_http.go b/dtmsvr/api_http.go
index 29c073b..3e9763b 100644
--- a/dtmsvr/api_http.go
+++ b/dtmsvr/api_http.go
@@ -87,11 +87,11 @@ func query(c *gin.Context) interface{} {
 }
 
 func prepareWorkflow(c *gin.Context) interface{} {
-	branches, err := svcPrepareWorkflow(TransFromContext(c))
+	trans, branches, err := svcPrepareWorkflow(TransFromContext(c))
 	if err != nil {
 		return err
 	}
-	return branches
+	return map[string]interface{}{"Transaction": trans, "Progresses": branches}
 }
 
 func all(c *gin.Context) interface{} {