diff --git a/dtmcli/dtmcli.pb.go b/dtmcli/dtmcli.pb.go
index 4576116..8012660 100644
--- a/dtmcli/dtmcli.pb.go
+++ b/dtmcli/dtmcli.pb.go
@@ -235,6 +235,126 @@ func (x *DtmReply) GetDtmMessage() string {
 	return ""
 }
 
+// The request message containing the user's name.
+type BusiRequest struct {
+	state         protoimpl.MessageState
+	sizeCache     protoimpl.SizeCache
+	unknownFields protoimpl.UnknownFields
+
+	Info    *DtmTransInfo     `protobuf:"bytes,1,opt,name=info,proto3" json:"info,omitempty"`
+	Extra   map[string]string `protobuf:"bytes,2,rep,name=Extra,proto3" json:"Extra,omitempty" protobuf_key:"bytes,1,opt,name=key,proto3" protobuf_val:"bytes,2,opt,name=value,proto3"`
+	AppData []byte            `protobuf:"bytes,3,opt,name=AppData,proto3" json:"AppData,omitempty"`
+}
+
+func (x *BusiRequest) Reset() {
+	*x = BusiRequest{}
+	if protoimpl.UnsafeEnabled {
+		mi := &file_dtmcli_dtmcli_proto_msgTypes[3]
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		ms.StoreMessageInfo(mi)
+	}
+}
+
+func (x *BusiRequest) String() string {
+	return protoimpl.X.MessageStringOf(x)
+}
+
+func (*BusiRequest) ProtoMessage() {}
+
+func (x *BusiRequest) ProtoReflect() protoreflect.Message {
+	mi := &file_dtmcli_dtmcli_proto_msgTypes[3]
+	if protoimpl.UnsafeEnabled && x != nil {
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		if ms.LoadMessageInfo() == nil {
+			ms.StoreMessageInfo(mi)
+		}
+		return ms
+	}
+	return mi.MessageOf(x)
+}
+
+// Deprecated: Use BusiRequest.ProtoReflect.Descriptor instead.
+func (*BusiRequest) Descriptor() ([]byte, []int) {
+	return file_dtmcli_dtmcli_proto_rawDescGZIP(), []int{3}
+}
+
+func (x *BusiRequest) GetInfo() *DtmTransInfo {
+	if x != nil {
+		return x.Info
+	}
+	return nil
+}
+
+func (x *BusiRequest) GetExtra() map[string]string {
+	if x != nil {
+		return x.Extra
+	}
+	return nil
+}
+
+func (x *BusiRequest) GetAppData() []byte {
+	if x != nil {
+		return x.AppData
+	}
+	return nil
+}
+
+// The response message containing the greetings
+type BusiReply struct {
+	state         protoimpl.MessageState
+	sizeCache     protoimpl.SizeCache
+	unknownFields protoimpl.UnknownFields
+
+	DtmResult  string `protobuf:"bytes,1,opt,name=DtmResult,proto3" json:"DtmResult,omitempty"`
+	DtmMessage string `protobuf:"bytes,2,opt,name=DtmMessage,proto3" json:"DtmMessage,omitempty"`
+}
+
+func (x *BusiReply) Reset() {
+	*x = BusiReply{}
+	if protoimpl.UnsafeEnabled {
+		mi := &file_dtmcli_dtmcli_proto_msgTypes[4]
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		ms.StoreMessageInfo(mi)
+	}
+}
+
+func (x *BusiReply) String() string {
+	return protoimpl.X.MessageStringOf(x)
+}
+
+func (*BusiReply) ProtoMessage() {}
+
+func (x *BusiReply) ProtoReflect() protoreflect.Message {
+	mi := &file_dtmcli_dtmcli_proto_msgTypes[4]
+	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 BusiReply.ProtoReflect.Descriptor instead.
+func (*BusiReply) Descriptor() ([]byte, []int) {
+	return file_dtmcli_dtmcli_proto_rawDescGZIP(), []int{4}
+}
+
+func (x *BusiReply) GetDtmResult() string {
+	if x != nil {
+		return x.DtmResult
+	}
+	return ""
+}
+
+func (x *BusiReply) GetDtmMessage() string {
+	if x != nil {
+		return x.DtmMessage
+	}
+	return ""
+}
+
 var File_dtmcli_dtmcli_proto protoreflect.FileDescriptor
 
 var file_dtmcli_dtmcli_proto_rawDesc = []byte{
@@ -267,13 +387,30 @@ var file_dtmcli_dtmcli_proto_rawDesc = []byte{
 	0x09, 0x44, 0x74, 0x6d, 0x52, 0x65, 0x73, 0x75, 0x6c, 0x74, 0x18, 0x01, 0x20, 0x01, 0x28, 0x09,
 	0x52, 0x09, 0x44, 0x74, 0x6d, 0x52, 0x65, 0x73, 0x75, 0x6c, 0x74, 0x12, 0x1e, 0x0a, 0x0a, 0x44,
 	0x74, 0x6d, 0x4d, 0x65, 0x73, 0x73, 0x61, 0x67, 0x65, 0x18, 0x02, 0x20, 0x01, 0x28, 0x09, 0x52,
-	0x0a, 0x44, 0x74, 0x6d, 0x4d, 0x65, 0x73, 0x73, 0x61, 0x67, 0x65, 0x32, 0x35, 0x0a, 0x03, 0x44,
-	0x74, 0x6d, 0x12, 0x2e, 0x0a, 0x04, 0x43, 0x61, 0x6c, 0x6c, 0x12, 0x12, 0x2e, 0x64, 0x74, 0x6d,
-	0x63, 0x6c, 0x69, 0x2e, 0x44, 0x74, 0x6d, 0x52, 0x65, 0x71, 0x75, 0x65, 0x73, 0x74, 0x1a, 0x10,
-	0x2e, 0x64, 0x74, 0x6d, 0x63, 0x6c, 0x69, 0x2e, 0x44, 0x74, 0x6d, 0x52, 0x65, 0x70, 0x6c, 0x79,
-	0x22, 0x00, 0x42, 0x1c, 0x5a, 0x1a, 0x67, 0x69, 0x74, 0x68, 0x75, 0x62, 0x2e, 0x63, 0x6f, 0x6d,
-	0x2f, 0x79, 0x65, 0x64, 0x66, 0x2f, 0x64, 0x74, 0x6d, 0x2f, 0x64, 0x74, 0x6d, 0x63, 0x6c, 0x69,
-	0x62, 0x06, 0x70, 0x72, 0x6f, 0x74, 0x6f, 0x33,
+	0x0a, 0x44, 0x74, 0x6d, 0x4d, 0x65, 0x73, 0x73, 0x61, 0x67, 0x65, 0x22, 0xc1, 0x01, 0x0a, 0x0b,
+	0x42, 0x75, 0x73, 0x69, 0x52, 0x65, 0x71, 0x75, 0x65, 0x73, 0x74, 0x12, 0x28, 0x0a, 0x04, 0x69,
+	0x6e, 0x66, 0x6f, 0x18, 0x01, 0x20, 0x01, 0x28, 0x0b, 0x32, 0x14, 0x2e, 0x64, 0x74, 0x6d, 0x63,
+	0x6c, 0x69, 0x2e, 0x44, 0x74, 0x6d, 0x54, 0x72, 0x61, 0x6e, 0x73, 0x49, 0x6e, 0x66, 0x6f, 0x52,
+	0x04, 0x69, 0x6e, 0x66, 0x6f, 0x12, 0x34, 0x0a, 0x05, 0x45, 0x78, 0x74, 0x72, 0x61, 0x18, 0x02,
+	0x20, 0x03, 0x28, 0x0b, 0x32, 0x1e, 0x2e, 0x64, 0x74, 0x6d, 0x63, 0x6c, 0x69, 0x2e, 0x42, 0x75,
+	0x73, 0x69, 0x52, 0x65, 0x71, 0x75, 0x65, 0x73, 0x74, 0x2e, 0x45, 0x78, 0x74, 0x72, 0x61, 0x45,
+	0x6e, 0x74, 0x72, 0x79, 0x52, 0x05, 0x45, 0x78, 0x74, 0x72, 0x61, 0x12, 0x18, 0x0a, 0x07, 0x41,
+	0x70, 0x70, 0x44, 0x61, 0x74, 0x61, 0x18, 0x03, 0x20, 0x01, 0x28, 0x0c, 0x52, 0x07, 0x41, 0x70,
+	0x70, 0x44, 0x61, 0x74, 0x61, 0x1a, 0x38, 0x0a, 0x0a, 0x45, 0x78, 0x74, 0x72, 0x61, 0x45, 0x6e,
+	0x74, 0x72, 0x79, 0x12, 0x10, 0x0a, 0x03, 0x6b, 0x65, 0x79, 0x18, 0x01, 0x20, 0x01, 0x28, 0x09,
+	0x52, 0x03, 0x6b, 0x65, 0x79, 0x12, 0x14, 0x0a, 0x05, 0x76, 0x61, 0x6c, 0x75, 0x65, 0x18, 0x02,
+	0x20, 0x01, 0x28, 0x09, 0x52, 0x05, 0x76, 0x61, 0x6c, 0x75, 0x65, 0x3a, 0x02, 0x38, 0x01, 0x22,
+	0x49, 0x0a, 0x09, 0x42, 0x75, 0x73, 0x69, 0x52, 0x65, 0x70, 0x6c, 0x79, 0x12, 0x1c, 0x0a, 0x09,
+	0x44, 0x74, 0x6d, 0x52, 0x65, 0x73, 0x75, 0x6c, 0x74, 0x18, 0x01, 0x20, 0x01, 0x28, 0x09, 0x52,
+	0x09, 0x44, 0x74, 0x6d, 0x52, 0x65, 0x73, 0x75, 0x6c, 0x74, 0x12, 0x1e, 0x0a, 0x0a, 0x44, 0x74,
+	0x6d, 0x4d, 0x65, 0x73, 0x73, 0x61, 0x67, 0x65, 0x18, 0x02, 0x20, 0x01, 0x28, 0x09, 0x52, 0x0a,
+	0x44, 0x74, 0x6d, 0x4d, 0x65, 0x73, 0x73, 0x61, 0x67, 0x65, 0x32, 0x35, 0x0a, 0x03, 0x44, 0x74,
+	0x6d, 0x12, 0x2e, 0x0a, 0x04, 0x43, 0x61, 0x6c, 0x6c, 0x12, 0x12, 0x2e, 0x64, 0x74, 0x6d, 0x63,
+	0x6c, 0x69, 0x2e, 0x44, 0x74, 0x6d, 0x52, 0x65, 0x71, 0x75, 0x65, 0x73, 0x74, 0x1a, 0x10, 0x2e,
+	0x64, 0x74, 0x6d, 0x63, 0x6c, 0x69, 0x2e, 0x44, 0x74, 0x6d, 0x52, 0x65, 0x70, 0x6c, 0x79, 0x22,
+	0x00, 0x42, 0x1c, 0x5a, 0x1a, 0x67, 0x69, 0x74, 0x68, 0x75, 0x62, 0x2e, 0x63, 0x6f, 0x6d, 0x2f,
+	0x79, 0x65, 0x64, 0x66, 0x2f, 0x64, 0x74, 0x6d, 0x2f, 0x64, 0x74, 0x6d, 0x63, 0x6c, 0x69, 0x62,
+	0x06, 0x70, 0x72, 0x6f, 0x74, 0x6f, 0x33,
 }
 
 var (
@@ -288,22 +425,27 @@ func file_dtmcli_dtmcli_proto_rawDescGZIP() []byte {
 	return file_dtmcli_dtmcli_proto_rawDescData
 }
 
-var file_dtmcli_dtmcli_proto_msgTypes = make([]protoimpl.MessageInfo, 4)
+var file_dtmcli_dtmcli_proto_msgTypes = make([]protoimpl.MessageInfo, 7)
 var file_dtmcli_dtmcli_proto_goTypes = []interface{}{
 	(*DtmTransInfo)(nil), // 0: dtmcli.DtmTransInfo
 	(*DtmRequest)(nil),   // 1: dtmcli.DtmRequest
 	(*DtmReply)(nil),     // 2: dtmcli.DtmReply
-	nil,                  // 3: dtmcli.DtmRequest.ExtraEntry
+	(*BusiRequest)(nil),  // 3: dtmcli.BusiRequest
+	(*BusiReply)(nil),    // 4: dtmcli.BusiReply
+	nil,                  // 5: dtmcli.DtmRequest.ExtraEntry
+	nil,                  // 6: dtmcli.BusiRequest.ExtraEntry
 }
 var file_dtmcli_dtmcli_proto_depIdxs = []int32{
-	3, // 0: dtmcli.DtmRequest.Extra:type_name -> dtmcli.DtmRequest.ExtraEntry
-	1, // 1: dtmcli.Dtm.Call:input_type -> dtmcli.DtmRequest
-	2, // 2: dtmcli.Dtm.Call:output_type -> dtmcli.DtmReply
-	2, // [2:3] is the sub-list for method output_type
-	1, // [1:2] is the sub-list for method input_type
-	1, // [1:1] is the sub-list for extension type_name
-	1, // [1:1] is the sub-list for extension extendee
-	0, // [0:1] is the sub-list for field type_name
+	5, // 0: dtmcli.DtmRequest.Extra:type_name -> dtmcli.DtmRequest.ExtraEntry
+	0, // 1: dtmcli.BusiRequest.info:type_name -> dtmcli.DtmTransInfo
+	6, // 2: dtmcli.BusiRequest.Extra:type_name -> dtmcli.BusiRequest.ExtraEntry
+	1, // 3: dtmcli.Dtm.Call:input_type -> dtmcli.DtmRequest
+	2, // 4: dtmcli.Dtm.Call:output_type -> dtmcli.DtmReply
+	4, // [4:5] is the sub-list for method output_type
+	3, // [3:4] is the sub-list for method input_type
+	3, // [3:3] is the sub-list for extension type_name
+	3, // [3:3] is the sub-list for extension extendee
+	0, // [0:3] is the sub-list for field type_name
 }
 
 func init() { file_dtmcli_dtmcli_proto_init() }
@@ -348,6 +490,30 @@ func file_dtmcli_dtmcli_proto_init() {
 				return nil
 			}
 		}
+		file_dtmcli_dtmcli_proto_msgTypes[3].Exporter = func(v interface{}, i int) interface{} {
+			switch v := v.(*BusiRequest); i {
+			case 0:
+				return &v.state
+			case 1:
+				return &v.sizeCache
+			case 2:
+				return &v.unknownFields
+			default:
+				return nil
+			}
+		}
+		file_dtmcli_dtmcli_proto_msgTypes[4].Exporter = func(v interface{}, i int) interface{} {
+			switch v := v.(*BusiReply); i {
+			case 0:
+				return &v.state
+			case 1:
+				return &v.sizeCache
+			case 2:
+				return &v.unknownFields
+			default:
+				return nil
+			}
+		}
 	}
 	type x struct{}
 	out := protoimpl.TypeBuilder{
@@ -355,7 +521,7 @@ func file_dtmcli_dtmcli_proto_init() {
 			GoPackagePath: reflect.TypeOf(x{}).PkgPath(),
 			RawDescriptor: file_dtmcli_dtmcli_proto_rawDesc,
 			NumEnums:      0,
-			NumMessages:   4,
+			NumMessages:   7,
 			NumExtensions: 0,
 			NumServices:   1,
 		},
diff --git a/dtmcli/dtmcli.proto b/dtmcli/dtmcli.proto
index 4ce0802..3353345 100644
--- a/dtmcli/dtmcli.proto
+++ b/dtmcli/dtmcli.proto
@@ -30,4 +30,17 @@ message DtmRequest {
 message DtmReply {
   string DtmResult = 1;
   string DtmMessage = 2;
+}
+
+// The request message containing the user's name.
+message BusiRequest {
+  dtmcli.DtmTransInfo info = 1;
+  map<string, string> Extra = 2;
+  bytes AppData = 3;
+}
+
+// The response message containing the greetings
+message BusiReply {
+  string DtmResult = 1;
+  string DtmMessage = 2;
 }
\ No newline at end of file
diff --git a/dtmcli/utils.go b/dtmcli/utils.go
index 676ef0b..40195eb 100644
--- a/dtmcli/utils.go
+++ b/dtmcli/utils.go
@@ -1,6 +1,7 @@
 package dtmcli
 
 import (
+	"context"
 	"database/sql"
 	"encoding/json"
 	"errors"
@@ -13,6 +14,7 @@ import (
 	"time"
 
 	"github.com/go-resty/resty/v2"
+	grpc "google.golang.org/grpc"
 )
 
 // P2E panic to error
@@ -269,3 +271,19 @@ func CheckResult(res interface{}, err error) error {
 	}
 	return err
 }
+
+// GrpcServerLog 打印grpc服务端的日志
+func GrpcServerLog(ctx context.Context, req interface{}, info *grpc.UnaryServerInfo, handler grpc.UnaryHandler) (interface{}, error) {
+	Logf("grpc server handling: %s %v", info.FullMethod, req)
+	m, err := handler(ctx, req)
+	Logf("grpc server handled: %s %v result: %v err: %v", info.FullMethod, req, m, err)
+	return m, err
+}
+
+// GrpcClientLog 打印grpc服务端的日志
+func GrpcClientLog(ctx context.Context, method string, req, reply interface{}, cc *grpc.ClientConn, invoker grpc.UnaryInvoker, opts ...grpc.CallOption) error {
+	Logf("grpc client calling: %s%s %v", cc.Target(), method, req)
+	err := invoker(ctx, method, req, reply, cc, opts...)
+	Logf("grpc client called: %s%s %v result: %v err: %v", cc.Target(), method, req, reply, err)
+	return err
+}
diff --git a/dtmsvr/api_grpc.go b/dtmsvr/api_grpc.go
index 3470969..55e2309 100644
--- a/dtmsvr/api_grpc.go
+++ b/dtmsvr/api_grpc.go
@@ -3,8 +3,11 @@ package dtmsvr
 import (
 	"context"
 	"log"
+	"strings"
 
+	"github.com/yedf/dtm/dtmcli"
 	pb "github.com/yedf/dtm/dtmcli"
+	"google.golang.org/grpc"
 )
 
 // dtmServer is used to implement helloworld.GreeterServer.
@@ -14,6 +17,19 @@ type dtmServer struct {
 
 // SayHello implements helloworld.GreeterServer
 func (s *dtmServer) Call(ctx context.Context, in *pb.DtmRequest) (*pb.DtmReply, error) {
-	log.Printf("Received: %v", in)
+	log.Printf("dtmServer Received: %v", in)
+	dynamicCallPb(ctx, in, in.Extra["BusiFunc"], in.AppData)
 	return &pb.DtmReply{DtmResult: "SUCCESS", DtmMessage: "ok"}, nil
 }
+
+func dynamicCallPb(ctx context.Context, in *pb.DtmRequest, pbAddr string, data []byte) error {
+	fs := strings.Split(pbAddr, "/")
+	grpcAddr := fs[0]
+	method := "/" + strings.Join(fs[1:], "/")
+	conn, err := grpc.Dial(grpcAddr, grpc.WithInsecure(), grpc.WithBlock(), grpc.WithUnaryInterceptor(dtmcli.GrpcClientLog))
+	dtmcli.FatalIfError(err)
+	reply := &dtmcli.BusiReply{}
+	err = conn.Invoke(ctx, method, &dtmcli.BusiRequest{Info: &dtmcli.DtmTransInfo{Gid: in.Gid}}, reply)
+	dtmcli.FatalIfError(err)
+	return err
+}
diff --git a/dtmsvr/main.go b/dtmsvr/main.go
index 1aac341..3c12a31 100644
--- a/dtmsvr/main.go
+++ b/dtmsvr/main.go
@@ -24,7 +24,7 @@ func StartSvr() {
 
 	lis, err := net.Listen("tcp", fmt.Sprintf(":%d", dtmsvrGrpcPort))
 	dtmcli.FatalIfError(err)
-	s := grpc.NewServer()
+	s := grpc.NewServer(grpc.UnaryInterceptor(dtmcli.GrpcServerLog))
 	dtmcli.RegisterDtmServer(s, &dtmServer{})
 	dtmcli.Logf("grpc listening at %v", lis.Addr())
 	go func() {
diff --git a/examples/busi.pb.go b/examples/busi.pb.go
index b431eee..83e6c33 100644
--- a/examples/busi.pb.go
+++ b/examples/busi.pb.go
@@ -11,7 +11,6 @@ import (
 	protoreflect "google.golang.org/protobuf/reflect/protoreflect"
 	protoimpl "google.golang.org/protobuf/runtime/protoimpl"
 	reflect "reflect"
-	sync "sync"
 )
 
 const (
@@ -21,205 +20,55 @@ const (
 	_ = protoimpl.EnforceVersion(protoimpl.MaxVersion - 20)
 )
 
-// The request message containing the user's name.
-type BusiRequest struct {
-	state         protoimpl.MessageState
-	sizeCache     protoimpl.SizeCache
-	unknownFields protoimpl.UnknownFields
-
-	Info    *dtmcli.DtmTransInfo `protobuf:"bytes,1,opt,name=info,proto3" json:"info,omitempty"`
-	Extra   map[string]string    `protobuf:"bytes,2,rep,name=Extra,proto3" json:"Extra,omitempty" protobuf_key:"bytes,1,opt,name=key,proto3" protobuf_val:"bytes,2,opt,name=value,proto3"`
-	AppData []byte               `protobuf:"bytes,3,opt,name=AppData,proto3" json:"AppData,omitempty"`
-}
-
-func (x *BusiRequest) Reset() {
-	*x = BusiRequest{}
-	if protoimpl.UnsafeEnabled {
-		mi := &file_examples_busi_proto_msgTypes[0]
-		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
-		ms.StoreMessageInfo(mi)
-	}
-}
-
-func (x *BusiRequest) String() string {
-	return protoimpl.X.MessageStringOf(x)
-}
-
-func (*BusiRequest) ProtoMessage() {}
-
-func (x *BusiRequest) ProtoReflect() protoreflect.Message {
-	mi := &file_examples_busi_proto_msgTypes[0]
-	if protoimpl.UnsafeEnabled && x != nil {
-		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
-		if ms.LoadMessageInfo() == nil {
-			ms.StoreMessageInfo(mi)
-		}
-		return ms
-	}
-	return mi.MessageOf(x)
-}
-
-// Deprecated: Use BusiRequest.ProtoReflect.Descriptor instead.
-func (*BusiRequest) Descriptor() ([]byte, []int) {
-	return file_examples_busi_proto_rawDescGZIP(), []int{0}
-}
-
-func (x *BusiRequest) GetInfo() *dtmcli.DtmTransInfo {
-	if x != nil {
-		return x.Info
-	}
-	return nil
-}
-
-func (x *BusiRequest) GetExtra() map[string]string {
-	if x != nil {
-		return x.Extra
-	}
-	return nil
-}
-
-func (x *BusiRequest) GetAppData() []byte {
-	if x != nil {
-		return x.AppData
-	}
-	return nil
-}
-
-// The response message containing the greetings
-type BusiReply struct {
-	state         protoimpl.MessageState
-	sizeCache     protoimpl.SizeCache
-	unknownFields protoimpl.UnknownFields
-
-	DtmResult  string `protobuf:"bytes,1,opt,name=DtmResult,proto3" json:"DtmResult,omitempty"`
-	DtmMessage string `protobuf:"bytes,2,opt,name=DtmMessage,proto3" json:"DtmMessage,omitempty"`
-}
-
-func (x *BusiReply) Reset() {
-	*x = BusiReply{}
-	if protoimpl.UnsafeEnabled {
-		mi := &file_examples_busi_proto_msgTypes[1]
-		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
-		ms.StoreMessageInfo(mi)
-	}
-}
-
-func (x *BusiReply) String() string {
-	return protoimpl.X.MessageStringOf(x)
-}
-
-func (*BusiReply) ProtoMessage() {}
-
-func (x *BusiReply) ProtoReflect() protoreflect.Message {
-	mi := &file_examples_busi_proto_msgTypes[1]
-	if protoimpl.UnsafeEnabled && x != nil {
-		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
-		if ms.LoadMessageInfo() == nil {
-			ms.StoreMessageInfo(mi)
-		}
-		return ms
-	}
-	return mi.MessageOf(x)
-}
-
-// Deprecated: Use BusiReply.ProtoReflect.Descriptor instead.
-func (*BusiReply) Descriptor() ([]byte, []int) {
-	return file_examples_busi_proto_rawDescGZIP(), []int{1}
-}
-
-func (x *BusiReply) GetDtmResult() string {
-	if x != nil {
-		return x.DtmResult
-	}
-	return ""
-}
-
-func (x *BusiReply) GetDtmMessage() string {
-	if x != nil {
-		return x.DtmMessage
-	}
-	return ""
-}
-
 var File_examples_busi_proto protoreflect.FileDescriptor
 
 var file_examples_busi_proto_rawDesc = []byte{
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+	0x79, 0x65, 0x64, 0x66, 0x2f, 0x64, 0x74, 0x6d, 0x2f, 0x65, 0x78, 0x61, 0x6d, 0x70, 0x6c, 0x65,
+	0x73, 0x62, 0x06, 0x70, 0x72, 0x6f, 0x74, 0x6f, 0x33,
 }
 
-var (
-	file_examples_busi_proto_rawDescOnce sync.Once
-	file_examples_busi_proto_rawDescData = file_examples_busi_proto_rawDesc
-)
-
-func file_examples_busi_proto_rawDescGZIP() []byte {
-	file_examples_busi_proto_rawDescOnce.Do(func() {
-		file_examples_busi_proto_rawDescData = protoimpl.X.CompressGZIP(file_examples_busi_proto_rawDescData)
-	})
-	return file_examples_busi_proto_rawDescData
-}
-
-var file_examples_busi_proto_msgTypes = make([]protoimpl.MessageInfo, 3)
 var file_examples_busi_proto_goTypes = []interface{}{
-	(*BusiRequest)(nil),         // 0: examples.BusiRequest
-	(*BusiReply)(nil),           // 1: examples.BusiReply
-	nil,                         // 2: examples.BusiRequest.ExtraEntry
-	(*dtmcli.DtmTransInfo)(nil), // 3: dtmcli.DtmTransInfo
+	(*dtmcli.BusiRequest)(nil), // 0: dtmcli.BusiRequest
+	(*dtmcli.BusiReply)(nil),   // 1: dtmcli.BusiReply
 }
 var file_examples_busi_proto_depIdxs = []int32{
-	3, // 0: examples.BusiRequest.info:type_name -> dtmcli.DtmTransInfo
-	2, // 1: examples.BusiRequest.Extra:type_name -> examples.BusiRequest.ExtraEntry
-	0, // 2: examples.Busi.TransIn:input_type -> examples.BusiRequest
-	0, // 3: examples.Busi.TransOut:input_type -> examples.BusiRequest
-	0, // 4: examples.Busi.TransInRevert:input_type -> examples.BusiRequest
-	0, // 5: examples.Busi.TransOutRevert:input_type -> examples.BusiRequest
-	1, // 6: examples.Busi.TransIn:output_type -> examples.BusiReply
-	1, // 7: examples.Busi.TransOut:output_type -> examples.BusiReply
-	1, // 8: examples.Busi.TransInRevert:output_type -> examples.BusiReply
-	1, // 9: examples.Busi.TransOutRevert:output_type -> examples.BusiReply
-	6, // [6:10] is the sub-list for method output_type
-	2, // [2:6] is the sub-list for method input_type
-	2, // [2:2] is the sub-list for extension type_name
-	2, // [2:2] is the sub-list for extension extendee
-	0, // [0:2] is the sub-list for field type_name
+	0, // 0: examples.Busi.Call:input_type -> dtmcli.BusiRequest
+	0, // 1: examples.Busi.TransIn:input_type -> dtmcli.BusiRequest
+	0, // 2: examples.Busi.TransOut:input_type -> dtmcli.BusiRequest
+	0, // 3: examples.Busi.TransInRevert:input_type -> dtmcli.BusiRequest
+	0, // 4: examples.Busi.TransOutRevert:input_type -> dtmcli.BusiRequest
+	1, // 5: examples.Busi.Call:output_type -> dtmcli.BusiReply
+	1, // 6: examples.Busi.TransIn:output_type -> dtmcli.BusiReply
+	1, // 7: examples.Busi.TransOut:output_type -> dtmcli.BusiReply
+	1, // 8: examples.Busi.TransInRevert:output_type -> dtmcli.BusiReply
+	1, // 9: examples.Busi.TransOutRevert:output_type -> dtmcli.BusiReply
+	5, // [5:10] is the sub-list for method output_type
+	0, // [0:5] is the sub-list for method input_type
+	0, // [0:0] is the sub-list for extension type_name
+	0, // [0:0] is the sub-list for extension extendee
+	0, // [0:0] is the sub-list for field type_name
 }
 
 func init() { file_examples_busi_proto_init() }
@@ -227,45 +76,18 @@ func file_examples_busi_proto_init() {
 	if File_examples_busi_proto != nil {
 		return
 	}
-	if !protoimpl.UnsafeEnabled {
-		file_examples_busi_proto_msgTypes[0].Exporter = func(v interface{}, i int) interface{} {
-			switch v := v.(*BusiRequest); i {
-			case 0:
-				return &v.state
-			case 1:
-				return &v.sizeCache
-			case 2:
-				return &v.unknownFields
-			default:
-				return nil
-			}
-		}
-		file_examples_busi_proto_msgTypes[1].Exporter = func(v interface{}, i int) interface{} {
-			switch v := v.(*BusiReply); i {
-			case 0:
-				return &v.state
-			case 1:
-				return &v.sizeCache
-			case 2:
-				return &v.unknownFields
-			default:
-				return nil
-			}
-		}
-	}
 	type x struct{}
 	out := protoimpl.TypeBuilder{
 		File: protoimpl.DescBuilder{
 			GoPackagePath: reflect.TypeOf(x{}).PkgPath(),
 			RawDescriptor: file_examples_busi_proto_rawDesc,
 			NumEnums:      0,
-			NumMessages:   3,
+			NumMessages:   0,
 			NumExtensions: 0,
 			NumServices:   1,
 		},
 		GoTypes:           file_examples_busi_proto_goTypes,
 		DependencyIndexes: file_examples_busi_proto_depIdxs,
-		MessageInfos:      file_examples_busi_proto_msgTypes,
 	}.Build()
 	File_examples_busi_proto = out.File
 	file_examples_busi_proto_rawDesc = nil
diff --git a/examples/busi.proto b/examples/busi.proto
index d6816b6..3613803 100644
--- a/examples/busi.proto
+++ b/examples/busi.proto
@@ -7,21 +7,11 @@ import "dtmcli/dtmcli.proto";
 
 // The dtm service definition.
 service Busi {
-  rpc TransIn(BusiRequest) returns (BusiReply) {}
-  rpc TransOut(BusiRequest) returns (BusiReply) {}
-  rpc TransInRevert(BusiRequest) returns (BusiReply) {}
-  rpc TransOutRevert(BusiRequest) returns (BusiReply) {}
+  rpc Call(dtmcli.BusiRequest) returns (dtmcli.BusiReply) {}
+
+  rpc TransIn(dtmcli.BusiRequest) returns (dtmcli.BusiReply) {}
+  rpc TransOut(dtmcli.BusiRequest) returns (dtmcli.BusiReply) {}
+  rpc TransInRevert(dtmcli.BusiRequest) returns (dtmcli.BusiReply) {}
+  rpc TransOutRevert(dtmcli.BusiRequest) returns (dtmcli.BusiReply) {}
 }
 
-// The request message containing the user's name.
-message BusiRequest {
-  dtmcli.DtmTransInfo info = 1;
-  map<string, string> Extra = 2;
-  bytes AppData = 3;
-}
-
-// The response message containing the greetings
-message BusiReply {
-  string DtmResult = 1;
-  string DtmMessage = 2;
-}
\ No newline at end of file
diff --git a/examples/busi_grpc.pb.go b/examples/busi_grpc.pb.go
index 524c697..a5c6b30 100644
--- a/examples/busi_grpc.pb.go
+++ b/examples/busi_grpc.pb.go
@@ -4,6 +4,7 @@ package examples
 
 import (
 	context "context"
+	dtmcli "github.com/yedf/dtm/dtmcli"
 	grpc "google.golang.org/grpc"
 	codes "google.golang.org/grpc/codes"
 	status "google.golang.org/grpc/status"
@@ -18,10 +19,11 @@ const _ = grpc.SupportPackageIsVersion7
 //
 // For semantics around ctx use and closing/ending streaming RPCs, please refer to https://pkg.go.dev/google.golang.org/grpc/?tab=doc#ClientConn.NewStream.
 type BusiClient interface {
-	TransIn(ctx context.Context, in *BusiRequest, opts ...grpc.CallOption) (*BusiReply, error)
-	TransOut(ctx context.Context, in *BusiRequest, opts ...grpc.CallOption) (*BusiReply, error)
-	TransInRevert(ctx context.Context, in *BusiRequest, opts ...grpc.CallOption) (*BusiReply, error)
-	TransOutRevert(ctx context.Context, in *BusiRequest, opts ...grpc.CallOption) (*BusiReply, error)
+	Call(ctx context.Context, in *dtmcli.BusiRequest, opts ...grpc.CallOption) (*dtmcli.BusiReply, error)
+	TransIn(ctx context.Context, in *dtmcli.BusiRequest, opts ...grpc.CallOption) (*dtmcli.BusiReply, error)
+	TransOut(ctx context.Context, in *dtmcli.BusiRequest, opts ...grpc.CallOption) (*dtmcli.BusiReply, error)
+	TransInRevert(ctx context.Context, in *dtmcli.BusiRequest, opts ...grpc.CallOption) (*dtmcli.BusiReply, error)
+	TransOutRevert(ctx context.Context, in *dtmcli.BusiRequest, opts ...grpc.CallOption) (*dtmcli.BusiReply, error)
 }
 
 type busiClient struct {
@@ -32,8 +34,17 @@ func NewBusiClient(cc grpc.ClientConnInterface) BusiClient {
 	return &busiClient{cc}
 }
 
-func (c *busiClient) TransIn(ctx context.Context, in *BusiRequest, opts ...grpc.CallOption) (*BusiReply, error) {
-	out := new(BusiReply)
+func (c *busiClient) Call(ctx context.Context, in *dtmcli.BusiRequest, opts ...grpc.CallOption) (*dtmcli.BusiReply, error) {
+	out := new(dtmcli.BusiReply)
+	err := c.cc.Invoke(ctx, "/examples.Busi/Call", in, out, opts...)
+	if err != nil {
+		return nil, err
+	}
+	return out, nil
+}
+
+func (c *busiClient) TransIn(ctx context.Context, in *dtmcli.BusiRequest, opts ...grpc.CallOption) (*dtmcli.BusiReply, error) {
+	out := new(dtmcli.BusiReply)
 	err := c.cc.Invoke(ctx, "/examples.Busi/TransIn", in, out, opts...)
 	if err != nil {
 		return nil, err
@@ -41,8 +52,8 @@ func (c *busiClient) TransIn(ctx context.Context, in *BusiRequest, opts ...grpc.
 	return out, nil
 }
 
-func (c *busiClient) TransOut(ctx context.Context, in *BusiRequest, opts ...grpc.CallOption) (*BusiReply, error) {
-	out := new(BusiReply)
+func (c *busiClient) TransOut(ctx context.Context, in *dtmcli.BusiRequest, opts ...grpc.CallOption) (*dtmcli.BusiReply, error) {
+	out := new(dtmcli.BusiReply)
 	err := c.cc.Invoke(ctx, "/examples.Busi/TransOut", in, out, opts...)
 	if err != nil {
 		return nil, err
@@ -50,8 +61,8 @@ func (c *busiClient) TransOut(ctx context.Context, in *BusiRequest, opts ...grpc
 	return out, nil
 }
 
-func (c *busiClient) TransInRevert(ctx context.Context, in *BusiRequest, opts ...grpc.CallOption) (*BusiReply, error) {
-	out := new(BusiReply)
+func (c *busiClient) TransInRevert(ctx context.Context, in *dtmcli.BusiRequest, opts ...grpc.CallOption) (*dtmcli.BusiReply, error) {
+	out := new(dtmcli.BusiReply)
 	err := c.cc.Invoke(ctx, "/examples.Busi/TransInRevert", in, out, opts...)
 	if err != nil {
 		return nil, err
@@ -59,8 +70,8 @@ func (c *busiClient) TransInRevert(ctx context.Context, in *BusiRequest, opts ..
 	return out, nil
 }
 
-func (c *busiClient) TransOutRevert(ctx context.Context, in *BusiRequest, opts ...grpc.CallOption) (*BusiReply, error) {
-	out := new(BusiReply)
+func (c *busiClient) TransOutRevert(ctx context.Context, in *dtmcli.BusiRequest, opts ...grpc.CallOption) (*dtmcli.BusiReply, error) {
+	out := new(dtmcli.BusiReply)
 	err := c.cc.Invoke(ctx, "/examples.Busi/TransOutRevert", in, out, opts...)
 	if err != nil {
 		return nil, err
@@ -72,10 +83,11 @@ func (c *busiClient) TransOutRevert(ctx context.Context, in *BusiRequest, opts .
 // All implementations must embed UnimplementedBusiServer
 // for forward compatibility
 type BusiServer interface {
-	TransIn(context.Context, *BusiRequest) (*BusiReply, error)
-	TransOut(context.Context, *BusiRequest) (*BusiReply, error)
-	TransInRevert(context.Context, *BusiRequest) (*BusiReply, error)
-	TransOutRevert(context.Context, *BusiRequest) (*BusiReply, error)
+	Call(context.Context, *dtmcli.BusiRequest) (*dtmcli.BusiReply, error)
+	TransIn(context.Context, *dtmcli.BusiRequest) (*dtmcli.BusiReply, error)
+	TransOut(context.Context, *dtmcli.BusiRequest) (*dtmcli.BusiReply, error)
+	TransInRevert(context.Context, *dtmcli.BusiRequest) (*dtmcli.BusiReply, error)
+	TransOutRevert(context.Context, *dtmcli.BusiRequest) (*dtmcli.BusiReply, error)
 	mustEmbedUnimplementedBusiServer()
 }
 
@@ -83,16 +95,19 @@ type BusiServer interface {
 type UnimplementedBusiServer struct {
 }
 
-func (UnimplementedBusiServer) TransIn(context.Context, *BusiRequest) (*BusiReply, error) {
+func (UnimplementedBusiServer) Call(context.Context, *dtmcli.BusiRequest) (*dtmcli.BusiReply, error) {
+	return nil, status.Errorf(codes.Unimplemented, "method Call not implemented")
+}
+func (UnimplementedBusiServer) TransIn(context.Context, *dtmcli.BusiRequest) (*dtmcli.BusiReply, error) {
 	return nil, status.Errorf(codes.Unimplemented, "method TransIn not implemented")
 }
-func (UnimplementedBusiServer) TransOut(context.Context, *BusiRequest) (*BusiReply, error) {
+func (UnimplementedBusiServer) TransOut(context.Context, *dtmcli.BusiRequest) (*dtmcli.BusiReply, error) {
 	return nil, status.Errorf(codes.Unimplemented, "method TransOut not implemented")
 }
-func (UnimplementedBusiServer) TransInRevert(context.Context, *BusiRequest) (*BusiReply, error) {
+func (UnimplementedBusiServer) TransInRevert(context.Context, *dtmcli.BusiRequest) (*dtmcli.BusiReply, error) {
 	return nil, status.Errorf(codes.Unimplemented, "method TransInRevert not implemented")
 }
-func (UnimplementedBusiServer) TransOutRevert(context.Context, *BusiRequest) (*BusiReply, error) {
+func (UnimplementedBusiServer) TransOutRevert(context.Context, *dtmcli.BusiRequest) (*dtmcli.BusiReply, error) {
 	return nil, status.Errorf(codes.Unimplemented, "method TransOutRevert not implemented")
 }
 func (UnimplementedBusiServer) mustEmbedUnimplementedBusiServer() {}
@@ -108,8 +123,26 @@ func RegisterBusiServer(s grpc.ServiceRegistrar, srv BusiServer) {
 	s.RegisterService(&Busi_ServiceDesc, srv)
 }
 
+func _Busi_Call_Handler(srv interface{}, ctx context.Context, dec func(interface{}) error, interceptor grpc.UnaryServerInterceptor) (interface{}, error) {
+	in := new(dtmcli.BusiRequest)
+	if err := dec(in); err != nil {
+		return nil, err
+	}
+	if interceptor == nil {
+		return srv.(BusiServer).Call(ctx, in)
+	}
+	info := &grpc.UnaryServerInfo{
+		Server:     srv,
+		FullMethod: "/examples.Busi/Call",
+	}
+	handler := func(ctx context.Context, req interface{}) (interface{}, error) {
+		return srv.(BusiServer).Call(ctx, req.(*dtmcli.BusiRequest))
+	}
+	return interceptor(ctx, in, info, handler)
+}
+
 func _Busi_TransIn_Handler(srv interface{}, ctx context.Context, dec func(interface{}) error, interceptor grpc.UnaryServerInterceptor) (interface{}, error) {
-	in := new(BusiRequest)
+	in := new(dtmcli.BusiRequest)
 	if err := dec(in); err != nil {
 		return nil, err
 	}
@@ -121,13 +154,13 @@ func _Busi_TransIn_Handler(srv interface{}, ctx context.Context, dec func(interf
 		FullMethod: "/examples.Busi/TransIn",
 	}
 	handler := func(ctx context.Context, req interface{}) (interface{}, error) {
-		return srv.(BusiServer).TransIn(ctx, req.(*BusiRequest))
+		return srv.(BusiServer).TransIn(ctx, req.(*dtmcli.BusiRequest))
 	}
 	return interceptor(ctx, in, info, handler)
 }
 
 func _Busi_TransOut_Handler(srv interface{}, ctx context.Context, dec func(interface{}) error, interceptor grpc.UnaryServerInterceptor) (interface{}, error) {
-	in := new(BusiRequest)
+	in := new(dtmcli.BusiRequest)
 	if err := dec(in); err != nil {
 		return nil, err
 	}
@@ -139,13 +172,13 @@ func _Busi_TransOut_Handler(srv interface{}, ctx context.Context, dec func(inter
 		FullMethod: "/examples.Busi/TransOut",
 	}
 	handler := func(ctx context.Context, req interface{}) (interface{}, error) {
-		return srv.(BusiServer).TransOut(ctx, req.(*BusiRequest))
+		return srv.(BusiServer).TransOut(ctx, req.(*dtmcli.BusiRequest))
 	}
 	return interceptor(ctx, in, info, handler)
 }
 
 func _Busi_TransInRevert_Handler(srv interface{}, ctx context.Context, dec func(interface{}) error, interceptor grpc.UnaryServerInterceptor) (interface{}, error) {
-	in := new(BusiRequest)
+	in := new(dtmcli.BusiRequest)
 	if err := dec(in); err != nil {
 		return nil, err
 	}
@@ -157,13 +190,13 @@ func _Busi_TransInRevert_Handler(srv interface{}, ctx context.Context, dec func(
 		FullMethod: "/examples.Busi/TransInRevert",
 	}
 	handler := func(ctx context.Context, req interface{}) (interface{}, error) {
-		return srv.(BusiServer).TransInRevert(ctx, req.(*BusiRequest))
+		return srv.(BusiServer).TransInRevert(ctx, req.(*dtmcli.BusiRequest))
 	}
 	return interceptor(ctx, in, info, handler)
 }
 
 func _Busi_TransOutRevert_Handler(srv interface{}, ctx context.Context, dec func(interface{}) error, interceptor grpc.UnaryServerInterceptor) (interface{}, error) {
-	in := new(BusiRequest)
+	in := new(dtmcli.BusiRequest)
 	if err := dec(in); err != nil {
 		return nil, err
 	}
@@ -175,7 +208,7 @@ func _Busi_TransOutRevert_Handler(srv interface{}, ctx context.Context, dec func
 		FullMethod: "/examples.Busi/TransOutRevert",
 	}
 	handler := func(ctx context.Context, req interface{}) (interface{}, error) {
-		return srv.(BusiServer).TransOutRevert(ctx, req.(*BusiRequest))
+		return srv.(BusiServer).TransOutRevert(ctx, req.(*dtmcli.BusiRequest))
 	}
 	return interceptor(ctx, in, info, handler)
 }
@@ -187,6 +220,10 @@ var Busi_ServiceDesc = grpc.ServiceDesc{
 	ServiceName: "examples.Busi",
 	HandlerType: (*BusiServer)(nil),
 	Methods: []grpc.MethodDesc{
+		{
+			MethodName: "Call",
+			Handler:    _Busi_Call_Handler,
+		},
 		{
 			MethodName: "TransIn",
 			Handler:    _Busi_TransIn_Handler,
diff --git a/examples/main_base.go b/examples/main_base.go
index 23921a6..d44be45 100644
--- a/examples/main_base.go
+++ b/examples/main_base.go
@@ -2,6 +2,7 @@ package examples
 
 import (
 	"fmt"
+	"net"
 	"time"
 
 	"github.com/gin-gonic/gin"
@@ -16,12 +17,15 @@ const (
 	// BusiPort busi server port
 	BusiPort = 8081
 	// BusiPbPort busi server port
-	BusiPbPort = 50081
+	BusiPbPort = 60081
 )
 
 // Busi busi service url prefix
 var Busi string = fmt.Sprintf("http://localhost:%d%s", BusiPort, BusiAPI)
 
+// BusiPb busi service grpc address
+var BusiPb string = fmt.Sprintf("localhost:%d", BusiPbPort)
+
 // DtmClient grpc client for dtm
 var DtmClient dtmcli.DtmClient = nil
 
@@ -33,11 +37,21 @@ func BaseAppStartup() *gin.Engine {
 	dtmcli.Logf("Starting busi at: %d", BusiPort)
 	go app.Run(fmt.Sprintf(":%d", BusiPort))
 
-	conn, err := grpc.Dial(DtmGrpcServer, grpc.WithInsecure(), grpc.WithBlock())
+	conn, err := grpc.Dial(DtmGrpcServer, grpc.WithInsecure(), grpc.WithBlock(), grpc.WithUnaryInterceptor(dtmcli.GrpcClientLog))
 	dtmcli.FatalIfError(err)
 	DtmClient = dtmcli.NewDtmClient(conn)
 	dtmcli.Logf("dtm client inited")
 
+	lis, err := net.Listen("tcp", fmt.Sprintf(":%d", BusiPbPort))
+	dtmcli.FatalIfError(err)
+	s := grpc.NewServer(grpc.UnaryInterceptor(dtmcli.GrpcServerLog))
+	RegisterBusiServer(s, &busiServer{})
+	dtmcli.Logf("busi grpc listening at %v", lis.Addr())
+	go func() {
+		err := s.Serve(lis)
+		dtmcli.FatalIfError(err)
+	}()
+
 	time.Sleep(100 * time.Millisecond)
 	return app
 }
diff --git a/examples/main_msg_pb.go b/examples/main_msg_pb.go
index 292ef8c..faec913 100644
--- a/examples/main_msg_pb.go
+++ b/examples/main_msg_pb.go
@@ -15,7 +15,14 @@ func MsgPbSetup(app *gin.Engine) {
 // MsgPbFireRequest 1
 func MsgPbFireRequest() string {
 	dtmcli.Logf("MsgPbFireRequest")
-	reply, err := DtmClient.Call(context.Background(), &dtmcli.DtmRequest{})
+	reply, err := DtmClient.Call(context.Background(), &dtmcli.DtmRequest{
+		Gid:       "pb_test",
+		TransType: "msg",
+		Method:    "submit",
+		Extra: dtmcli.MS{
+			"BusiFunc": BusiPb + "/examples.Busi/Call",
+		},
+	})
 	dtmcli.Logf("reply and err is: %v, %v", reply, err)
 	return ""
 }