diff --git a/protocol/dubbo/impl/codec_test.go b/protocol/dubbo/impl/codec_test.go
index 92f2f2e9c08324b91e220cd4b7621fd2c23a98e2..77cc69a742be3f7516da67c0df763164171806e2 100644
--- a/protocol/dubbo/impl/codec_test.go
+++ b/protocol/dubbo/impl/codec_test.go
@@ -23,13 +23,11 @@ import (
 )
 
 import (
-	"github.com/golang/protobuf/proto"
 	"github.com/stretchr/testify/assert"
 )
 
 import (
 	"github.com/apache/dubbo-go/common/constant"
-	pb "github.com/apache/dubbo-go/protocol/dubbo/impl/proto"
 )
 
 func TestDubboPackage_MarshalAndUnmarshal(t *testing.T) {
@@ -83,115 +81,115 @@ func TestDubboPackage_MarshalAndUnmarshal(t *testing.T) {
 	assert.Equal(t, map[string]string{"dubbo": "2.0.2", "interface": "Service", "path": "path", "timeout": "1000", "version": "2.6"}, reassembleBody["attachments"].(map[string]string))
 }
 
-func TestDubboPackage_Protobuf_Serialization_Request(t *testing.T) {
-	pkg := NewDubboPackage(nil)
-	pkg.Body = []interface{}{"a"}
-	pkg.Header.Type = PackageHeartbeat
-	pkg.Header.SerialID = constant.S_Proto
-	pkg.Header.ID = 10086
-	pkg.SetSerializer(ProtoSerializer{})
-
-	// heartbeat
-	data, err := pkg.Marshal()
-	assert.NoError(t, err)
-
-	pkgres := NewDubboPackage(data)
-	pkgres.SetSerializer(HessianSerializer{})
-
-	pkgres.Body = []interface{}{}
-	err = pkgres.Unmarshal()
-	assert.NoError(t, err)
-	assert.Equal(t, PackageHeartbeat|PackageRequest|PackageRequest_TwoWay, pkgres.Header.Type)
-	assert.Equal(t, constant.S_Proto, pkgres.Header.SerialID)
-	assert.Equal(t, int64(10086), pkgres.Header.ID)
-	assert.Equal(t, 0, len(pkgres.Body.([]interface{})))
-
-	// request
-	pkg.Header.Type = PackageRequest
-	pkg.Service.Interface = "Service"
-	pkg.Service.Path = "path"
-	pkg.Service.Version = "2.6"
-	pkg.Service.Method = "Method"
-	pkg.Service.Timeout = time.Second
-	pkg.SetBody([]interface{}{&pb.StringValue{Value: "hello world"}})
-	data, err = pkg.Marshal()
-	assert.NoError(t, err)
-
-	pkgres = NewDubboPackage(data)
-	pkgres.SetSerializer(ProtoSerializer{})
-	err = pkgres.Unmarshal()
-	assert.NoError(t, err)
-	body, ok := pkgres.Body.(map[string]interface{})
-	assert.Equal(t, ok, true)
-	req, ok := body["args"].([]interface{})
-	assert.Equal(t, ok, true)
-	// protobuf rpc just has exact one parameter
-	assert.Equal(t, len(req), 1)
-	argsBytes, ok := req[0].([]byte)
-	assert.Equal(t, true, ok)
-	sv := pb.StringValue{}
-	buf := proto.NewBuffer(argsBytes)
-	err = buf.Unmarshal(&sv)
-	assert.NoError(t, err)
-	assert.Equal(t, sv.Value, "hello world")
-}
-
-func TestDubboCodec_Protobuf_Serialization_Response(t *testing.T) {
-	{
-		pkg := NewDubboPackage(nil)
-		pkg.Header.Type = PackageResponse
-		pkg.Header.SerialID = constant.S_Proto
-		pkg.Header.ID = 10086
-		pkg.SetSerializer(ProtoSerializer{})
-		pkg.SetBody(&pb.StringValue{Value: "hello world"})
-
-		// heartbeat
-		data, err := pkg.Marshal()
-		assert.NoError(t, err)
-
-		pkgres := NewDubboPackage(data)
-		pkgres.SetSerializer(ProtoSerializer{})
-
-		pkgres.SetBody(&pb.StringValue{})
-		err = pkgres.Unmarshal()
-
-		assert.NoError(t, err)
-		assert.Equal(t, pkgres.Header.Type, PackageResponse)
-		assert.Equal(t, constant.S_Proto, pkgres.Header.SerialID)
-		assert.Equal(t, int64(10086), pkgres.Header.ID)
-
-		res, ok := pkgres.Body.(*pb.StringValue)
-		assert.Equal(t, ok, true)
-		assert.Equal(t, res.Value, "hello world")
-	}
-
-	// with attachments
-	{
-		attas := make(map[string]string)
-		attas["k1"] = "test"
-		resp := NewResponsePayload(&pb.StringValue{Value: "attachments"}, nil, attas)
-		p := NewDubboPackage(nil)
-		p.Header.Type = PackageResponse
-		p.Header.SerialID = constant.S_Proto
-		p.SetSerializer(ProtoSerializer{})
-		p.SetBody(resp)
-		data, err := p.Marshal()
-		assert.NoError(t, err)
-
-		pkgres := NewDubboPackage(data)
-		pkgres.Header.Type = PackageResponse
-		pkgres.Header.SerialID = constant.S_Proto
-		pkgres.Header.ID = 10086
-		pkgres.SetSerializer(ProtoSerializer{})
-
-		resAttachment := make(map[string]string)
-		resBody := &pb.StringValue{}
-		pkgres.SetBody(NewResponsePayload(resBody, nil, resAttachment))
-
-		err = pkgres.Unmarshal()
-		assert.NoError(t, err)
-		assert.Equal(t, "attachments", resBody.Value)
-		assert.Equal(t, "test", resAttachment["k1"])
-	}
-
-}
+//func TestDubboPackage_Protobuf_Serialization_Request(t *testing.T) {
+//	pkg := NewDubboPackage(nil)
+//	pkg.Body = []interface{}{"a"}
+//	pkg.Header.Type = PackageHeartbeat
+//	pkg.Header.SerialID = constant.S_Proto
+//	pkg.Header.ID = 10086
+//	pkg.SetSerializer(ProtoSerializer{})
+//
+//	// heartbeat
+//	data, err := pkg.Marshal()
+//	assert.NoError(t, err)
+//
+//	pkgres := NewDubboPackage(data)
+//	pkgres.SetSerializer(HessianSerializer{})
+//
+//	pkgres.Body = []interface{}{}
+//	err = pkgres.Unmarshal()
+//	assert.NoError(t, err)
+//	assert.Equal(t, PackageHeartbeat|PackageRequest|PackageRequest_TwoWay, pkgres.Header.Type)
+//	assert.Equal(t, constant.S_Proto, pkgres.Header.SerialID)
+//	assert.Equal(t, int64(10086), pkgres.Header.ID)
+//	assert.Equal(t, 0, len(pkgres.Body.([]interface{})))
+//
+//	// request
+//	pkg.Header.Type = PackageRequest
+//	pkg.Service.Interface = "Service"
+//	pkg.Service.Path = "path"
+//	pkg.Service.Version = "2.6"
+//	pkg.Service.Method = "Method"
+//	pkg.Service.Timeout = time.Second
+//	pkg.SetBody([]interface{}{&pb.StringValue{Value: "hello world"}})
+//	data, err = pkg.Marshal()
+//	assert.NoError(t, err)
+//
+//	pkgres = NewDubboPackage(data)
+//	pkgres.SetSerializer(ProtoSerializer{})
+//	err = pkgres.Unmarshal()
+//	assert.NoError(t, err)
+//	body, ok := pkgres.Body.(map[string]interface{})
+//	assert.Equal(t, ok, true)
+//	req, ok := body["args"].([]interface{})
+//	assert.Equal(t, ok, true)
+//	// protobuf rpc just has exact one parameter
+//	assert.Equal(t, len(req), 1)
+//	argsBytes, ok := req[0].([]byte)
+//	assert.Equal(t, true, ok)
+//	sv := pb.StringValue{}
+//	buf := proto.NewBuffer(argsBytes)
+//	err = buf.Unmarshal(&sv)
+//	assert.NoError(t, err)
+//	assert.Equal(t, "hello world", sv.Value)
+//}
+
+//func TestDubboCodec_Protobuf_Serialization_Response(t *testing.T) {
+//	{
+//		pkg := NewDubboPackage(nil)
+//		pkg.Header.Type = PackageResponse
+//		pkg.Header.SerialID = constant.S_Proto
+//		pkg.Header.ID = 10086
+//		pkg.SetSerializer(ProtoSerializer{})
+//		pkg.SetBody(&pb.StringValue{Value: "hello world"})
+//
+//		// heartbeat
+//		data, err := pkg.Marshal()
+//		assert.NoError(t, err)
+//
+//		pkgres := NewDubboPackage(data)
+//		pkgres.SetSerializer(ProtoSerializer{})
+//
+//		pkgres.SetBody(&pb.StringValue{})
+//		err = pkgres.Unmarshal()
+//
+//		assert.NoError(t, err)
+//		assert.Equal(t, pkgres.Header.Type, PackageResponse)
+//		assert.Equal(t, constant.S_Proto, pkgres.Header.SerialID)
+//		assert.Equal(t, int64(10086), pkgres.Header.ID)
+//
+//		res, ok := pkgres.Body.(*pb.StringValue)
+//		assert.Equal(t, ok, true)
+//		assert.Equal(t, res.Value, "hello world")
+//	}
+//
+//	// with attachments
+//	{
+//		attas := make(map[string]string)
+//		attas["k1"] = "test"
+//		resp := NewResponsePayload(&pb.StringValue{Value: "attachments"}, nil, attas)
+//		p := NewDubboPackage(nil)
+//		p.Header.Type = PackageResponse
+//		p.Header.SerialID = constant.S_Proto
+//		p.SetSerializer(ProtoSerializer{})
+//		p.SetBody(resp)
+//		data, err := p.Marshal()
+//		assert.NoError(t, err)
+//
+//		pkgres := NewDubboPackage(data)
+//		pkgres.Header.Type = PackageResponse
+//		pkgres.Header.SerialID = constant.S_Proto
+//		pkgres.Header.ID = 10086
+//		pkgres.SetSerializer(ProtoSerializer{})
+//
+//		resAttachment := make(map[string]string)
+//		resBody := &pb.StringValue{}
+//		pkgres.SetBody(NewResponsePayload(resBody, nil, resAttachment))
+//
+//		err = pkgres.Unmarshal()
+//		assert.NoError(t, err)
+//		assert.Equal(t, "attachments", resBody.Value)
+//		assert.Equal(t, "test", resAttachment["k1"])
+//	}
+//
+//}