diff --git a/protocol/motanProtocol.go b/protocol/motanProtocol.go
index 789db413..b5b32ecd 100644
--- a/protocol/motanProtocol.go
+++ b/protocol/motanProtocol.go
@@ -15,7 +15,7 @@ import (
 	"time"
 
 	motan "github.com/weibocom/motan-go/core"
-	"github.com/weibocom/motan-go/log"
+	vlog "github.com/weibocom/motan-go/log"
 )
 
 const (
@@ -689,7 +689,6 @@ func ConvertToReqMessage(request motan.Request, serialize motan.Serialization) (
 	if rc.Proxy {
 		req.Header.SetProxy(true)
 	}
-	req.Header.SetSerialize(serialize.GetSerialNum())
 	req.Metadata.Store(MPath, request.GetServiceName())
 	req.Metadata.Store(MMethod, request.GetMethod())
 	if request.GetAttachment(MProxyProtocol) == "" {
diff --git a/protocol/motanProtocol_test.go b/protocol/motanProtocol_test.go
index 81563f16..9195ee48 100644
--- a/protocol/motanProtocol_test.go
+++ b/protocol/motanProtocol_test.go
@@ -499,6 +499,52 @@ func TestConvertToRequest(t *testing.T) {
 	}
 }
 
+func TestConvertToReqMessage(t *testing.T) {
+	// 创建一个模拟的请求
+	request := core.AcquireMotanRequest()
+	request.RequestID = 12345
+	request.ServiceName = "testService"
+	request.Method = "testMethod"
+	request.MethodDesc = "testMethodDesc"
+	request.Attachment = core.NewStringMap(0)
+	request.Attachment.Store(MGroup, "testGroup")
+	request.Attachment.Store(MProxyProtocol, "")
+
+	// 设置RPC上下文
+	rc := request.GetRPCContext(true)
+	rc.Serialized = false
+	rc.Oneway = true
+	rc.Proxy = true
+	rc.GzipSize = 1024
+
+	// 使用SimpleSerialization进行序列化
+	serialization := &serialize.SimpleSerialization{}
+
+	// 调用ConvertToReqMessage
+	msg, err := ConvertToReqMessage(request, serialization)
+
+	// 断言
+	assert.Nil(t, err)
+	assert.NotNil(t, msg)
+	assert.Equal(t, request.RequestID, msg.Header.RequestID)
+	assert.True(t, msg.Header.IsOneWay())
+	assert.True(t, msg.Header.IsProxy())
+	assert.Equal(t, serialization.GetSerialNum(), msg.Header.GetSerialize())
+	assert.Equal(t, "testService", msg.Metadata.LoadOrEmpty(MPath))
+	assert.Equal(t, "testMethod", msg.Metadata.LoadOrEmpty(MMethod))
+	assert.Equal(t, "motan2", msg.Metadata.LoadOrEmpty(MProxyProtocol))
+	assert.Equal(t, "testMethodDesc", msg.Metadata.LoadOrEmpty(MMethodDesc))
+	assert.Equal(t, "testGroup", msg.Metadata.LoadOrEmpty(MGroup))
+
+	// rc控制serialize
+	rc.Serialized = true
+	rc.SerializeNum = serialize.BreezeNumber
+	msg, err = ConvertToReqMessage(request, serialization)
+	assert.Nil(t, err)
+	assert.NotNil(t, msg)
+	assert.Equal(t, serialize.BreezeNumber, msg.Header.GetSerialize())
+}
+
 func BenchmarkEncodeGzip(b *testing.B) {
 	DefaultGzipLevel = gzip.BestSpeed
 	bs := buildBytes(10 * 1024)