diff --git a/internal/logic/api/logic_ext.go b/internal/logic/api/logic_ext.go
index b32ee4b..d8cb897 100644
--- a/internal/logic/api/logic_ext.go
+++ b/internal/logic/api/logic_ext.go
@@ -5,6 +5,7 @@ import (
 	"gim/internal/logic/app"
 	"gim/pkg/grpclib"
 	"gim/pkg/pb"
+	"google.golang.org/protobuf/proto"
 )
 
 type LogicExtServer struct{}
@@ -21,7 +22,15 @@ func (*LogicExtServer) SendMessage(ctx context.Context, in *pb.SendMessageReq) (
 	if err != nil {
 		return nil, err
 	}
-
+	if in.MessageContentBack != "" {
+		buf, err := proto.Marshal(&pb.Text{
+			Text: "hello world!",
+		})
+		if err != nil {
+			return nil, err
+		}
+		in.MessageContent = buf
+	}
 	sender := pb.Sender{
 		SenderType: pb.SenderType_ST_USER,
 		SenderId:   userId,
diff --git a/internal/logic/api/logic_ext_test.go b/internal/logic/api/logic_ext_test.go
index 07b3434..48e7105 100644
--- a/internal/logic/api/logic_ext_test.go
+++ b/internal/logic/api/logic_ext_test.go
@@ -26,10 +26,10 @@ func getLogicExtClient() pb.LogicExtClient {
 // deprecated:
 
 func getCtx() context.Context {
-	token := "0"
+	token := "VRZWQVPFXHPUCCKFOANEYOLCDSFMKEAVYVMAZQWQ"
 	return metadata.NewOutgoingContext(context.TODO(), metadata.Pairs(
 		"user_id", "2",
-		"device_id", "1",
+		"device_id", "2",
 		"token", token,
 		"request_id", strconv.FormatInt(time.Now().UnixNano(), 10)))
 }
@@ -52,12 +52,14 @@ func TestLogicExtServer_RegisterDevice(t *testing.T) {
 
 func TestLogicExtServer_SendMessage(t *testing.T) {
 	buf, err := proto.Marshal(&pb.Text{
-		Text: "hello alber ",
+		Text: "hello world!",
 	})
 	if err != nil {
 		fmt.Println(err)
 		return
 	}
+	var one = string(buf)
+	fmt.Printf(one)
 	resp, err := getLogicExtClient().SendMessage(getCtx(),
 		&pb.SendMessageReq{
 			ReceiverType:   pb.ReceiverType_RT_USER,
diff --git a/pkg/pb/logic.ext.pb.go b/pkg/pb/logic.ext.pb.go
index cc62313..19bf780 100644
--- a/pkg/pb/logic.ext.pb.go
+++ b/pkg/pb/logic.ext.pb.go
@@ -204,13 +204,14 @@ type SendMessageReq struct {
 	sizeCache     protoimpl.SizeCache
 	unknownFields protoimpl.UnknownFields
 
-	ReceiverType   ReceiverType `protobuf:"varint,1,opt,name=receiver_type,json=receiverType,proto3,enum=pb.ReceiverType" json:"receiver_type,omitempty"` // 接收者类型，1：user;2:group
-	ReceiverId     int64        `protobuf:"varint,2,opt,name=receiver_id,json=receiverId,proto3" json:"receiver_id,omitempty"`                            // 用户id或者群组id
-	ToUserIds      []int64      `protobuf:"varint,3,rep,packed,name=to_user_ids,json=toUserIds,proto3" json:"to_user_ids,omitempty"`                      // 需要@的用户id列表
-	MessageType    MessageType  `protobuf:"varint,4,opt,name=message_type,json=messageType,proto3,enum=pb.MessageType" json:"message_type,omitempty"`     // 消息类型
-	MessageContent []byte       `protobuf:"bytes,5,opt,name=message_content,json=messageContent,proto3" json:"message_content,omitempty"`                 // 消息内容
-	SendTime       int64        `protobuf:"varint,6,opt,name=send_time,json=sendTime,proto3" json:"send_time,omitempty"`                                  // 消息发送时间戳，精确到毫秒
-	IsPersist      bool         `protobuf:"varint,7,opt,name=is_persist,json=isPersist,proto3" json:"is_persist,omitempty"`                               // 是否将消息持久化到数据库
+	ReceiverType       ReceiverType `protobuf:"varint,1,opt,name=receiver_type,json=receiverType,proto3,enum=pb.ReceiverType" json:"receiver_type,omitempty"` // 接收者类型，1：user;2:group
+	ReceiverId         int64        `protobuf:"varint,2,opt,name=receiver_id,json=receiverId,proto3" json:"receiver_id,omitempty"`                            // 用户id或者群组id
+	ToUserIds          []int64      `protobuf:"varint,3,rep,packed,name=to_user_ids,json=toUserIds,proto3" json:"to_user_ids,omitempty"`                      // 需要@的用户id列表
+	MessageType        MessageType  `protobuf:"varint,4,opt,name=message_type,json=messageType,proto3,enum=pb.MessageType" json:"message_type,omitempty"`     // 消息类型
+	MessageContent     []byte       `protobuf:"bytes,5,opt,name=message_content,json=messageContent,proto3" json:"message_content,omitempty"`                 // 消息内容
+	SendTime           int64        `protobuf:"varint,6,opt,name=send_time,json=sendTime,proto3" json:"send_time,omitempty"`                                  // 消息发送时间戳，精确到毫秒
+	IsPersist          bool         `protobuf:"varint,7,opt,name=is_persist,json=isPersist,proto3" json:"is_persist,omitempty"`                               // 是否将消息持久化到数据库
+	MessageContentBack string       `protobuf:"bytes,8,opt,name=message_content_back,json=messageContentBack,proto3" json:"message_content_back,omitempty"`
 }
 
 func (x *SendMessageReq) Reset() {
diff --git a/test/tcp_conn/main.go b/test/tcp_conn/main.go
index b862e6f..8ef12bc 100644
--- a/test/tcp_conn/main.go
+++ b/test/tcp_conn/main.go
@@ -87,7 +87,7 @@ func (c *TcpClient) SignIn() {
 	signIn := pb.SignInInput{
 		UserId:   c.UserId,
 		DeviceId: c.DeviceId,
-		Token:    "0",
+		Token:    "ABPIKUKGTCZZGLUSZQAGFXKCSQFEVXEMAYHNNOUZ",
 	}
 	c.Output(pb.PackageType_PT_SIGN_IN, time.Now().UnixNano(), &signIn)
 }