diff --git a/client/builders.go b/client/builders.go
index a1287436..32e3732c 100644
--- a/client/builders.go
+++ b/client/builders.go
@@ -761,37 +761,6 @@ func (c *QQClient) buildImageUploadPacket(data, updKey []byte, commandId int32,
 	return
 }
 
-// PttStore.GroupPttUp
-func (c *QQClient) buildGroupPttStorePacket(groupCode int64, md5 []byte, size, codec, voiceLength int32) (uint16, []byte) {
-	seq := c.nextSeq()
-	req := &pb.D388ReqBody{
-		NetType: 3,
-		Subcmd:  3,
-		MsgTryUpPttReq: []*pb.TryUpPttReq{
-			{
-				GroupCode:     groupCode,
-				SrcUin:        c.Uin,
-				FileMd5:       md5,
-				FileSize:      int64(size),
-				FileName:      md5,
-				SrcTerm:       5,
-				PlatformType:  9,
-				BuType:        4,
-				InnerIp:       0,
-				BuildVer:      "6.5.5.663",
-				VoiceLength:   voiceLength,
-				Codec:         codec,
-				VoiceType:     1,
-				BoolNewUpChan: true,
-			},
-		},
-		Extension: EmptyBytes,
-	}
-	payload, _ := proto.Marshal(req)
-	packet := packets.BuildUniPacket(c.Uin, seq, "PttStore.GroupPttUp", 1, c.OutGoingPacketSessionId, EmptyBytes, c.sigInfo.d2Key, payload)
-	return seq, packet
-}
-
 // ProfileService.Pb.ReqSystemMsgNew.Group
 func (c *QQClient) buildSystemMsgNewGroupPacket() (uint16, []byte) {
 	seq := c.nextSeq()
@@ -1284,6 +1253,7 @@ func (c *QQClient) buildAppInfoRequestPacket(id string) (uint16, []byte) {
 	packet := packets.BuildUniPacket(c.Uin, seq, "LightAppSvc.mini_app_info.GetAppInfoById", 1, c.OutGoingPacketSessionId, EmptyBytes, c.sigInfo.d2Key, payload)
 	return seq, packet
 }
+
 func (c *QQClient) buildWordSegmentationPacket(data []byte) (uint16, []byte) {
 	seq := c.nextSeq()
 	body := &oidb.D79ReqBody{
diff --git a/client/decoders.go b/client/decoders.go
index 4b4633d4..f91fe918 100644
--- a/client/decoders.go
+++ b/client/decoders.go
@@ -644,31 +644,6 @@ func decodeGroupImageStoreResponse(_ *QQClient, _ uint16, payload []byte) (inter
 	}, nil
 }
 
-// PttStore.GroupPttUp
-func decodeGroupPttStoreResponse(_ *QQClient, _ uint16, payload []byte) (interface{}, error) {
-	pkt := pb.D388RespBody{}
-	err := proto.Unmarshal(payload, &pkt)
-	if err != nil {
-		return nil, err
-	}
-	rsp := pkt.MsgTryUpPttRsp[0]
-	if rsp.Result != 0 {
-		return pttUploadResponse{
-			ResultCode: rsp.Result,
-			Message:    rsp.FailMsg,
-		}, nil
-	}
-	if rsp.BoolFileExit {
-		return pttUploadResponse{IsExists: true}, nil
-	}
-	return pttUploadResponse{
-		UploadKey:  rsp.UpUkey,
-		UploadIp:   rsp.Uint32UpIp,
-		UploadPort: rsp.Uint32UpPort,
-		FileKey:    rsp.FileKey,
-	}, nil
-}
-
 // LongConn.OffPicUp
 func decodeOffPicUpResponse(_ *QQClient, _ uint16, payload []byte) (interface{}, error) {
 	rsp := cmd0x352.RspBody{}
diff --git a/client/ptt.go b/client/ptt.go
new file mode 100644
index 00000000..b16984e0
--- /dev/null
+++ b/client/ptt.go
@@ -0,0 +1,63 @@
+package client
+
+import (
+	"github.com/Mrs4s/MiraiGo/client/pb"
+	"github.com/Mrs4s/MiraiGo/protocol/packets"
+	"google.golang.org/protobuf/proto"
+)
+
+// PttStore.GroupPttUp
+func (c *QQClient) buildGroupPttStorePacket(groupCode int64, md5 []byte, size, codec, voiceLength int32) (uint16, []byte) {
+	seq := c.nextSeq()
+	req := &pb.D388ReqBody{
+		NetType: 3,
+		Subcmd:  3,
+		MsgTryUpPttReq: []*pb.TryUpPttReq{
+			{
+				GroupCode:     groupCode,
+				SrcUin:        c.Uin,
+				FileMd5:       md5,
+				FileSize:      int64(size),
+				FileName:      md5,
+				SrcTerm:       5,
+				PlatformType:  9,
+				BuType:        4,
+				InnerIp:       0,
+				BuildVer:      "6.5.5.663",
+				VoiceLength:   voiceLength,
+				Codec:         codec,
+				VoiceType:     1,
+				BoolNewUpChan: true,
+			},
+		},
+		Extension: EmptyBytes,
+	}
+	payload, _ := proto.Marshal(req)
+	packet := packets.BuildUniPacket(c.Uin, seq, "PttStore.GroupPttUp", 1, c.OutGoingPacketSessionId, EmptyBytes, c.sigInfo.d2Key, payload)
+	return seq, packet
+}
+
+// PttStore.GroupPttUp
+func decodeGroupPttStoreResponse(_ *QQClient, _ uint16, payload []byte) (interface{}, error) {
+	pkt := pb.D388RespBody{}
+	err := proto.Unmarshal(payload, &pkt)
+	if err != nil {
+		return nil, err
+	}
+	rsp := pkt.MsgTryUpPttRsp[0]
+	if rsp.Result != 0 {
+		return pttUploadResponse{
+			ResultCode: rsp.Result,
+			Message:    rsp.FailMsg,
+		}, nil
+	}
+	if rsp.BoolFileExit {
+		return pttUploadResponse{IsExists: true}, nil
+	}
+	return pttUploadResponse{
+		UploadKey:  rsp.UpUkey,
+		UploadIp:   rsp.Uint32UpIp,
+		UploadPort: rsp.Uint32UpPort,
+		FileKey:    rsp.FileKey,
+	}, nil
+}