diff --git a/client/internal/highway/addr.go b/client/internal/highway/addr.go
deleted file mode 100644
index b1031a20..00000000
--- a/client/internal/highway/addr.go
+++ /dev/null
@@ -1,21 +0,0 @@
-package highway
-
-import (
-	"fmt"
-	"net"
-
-	"github.com/Mrs4s/MiraiGo/binary"
-)
-
-type Addr struct {
-	IP   uint32
-	Port int
-}
-
-func (a Addr) AsNetIP() net.IP {
-	return net.IPv4(byte(a.IP>>24), byte(a.IP>>16), byte(a.IP>>8), byte(a.IP))
-}
-
-func (a Addr) String() string {
-	return fmt.Sprintf("%v:%v", binary.UInt32ToIPV4Address(a.IP), a.Port)
-}
diff --git a/client/internal/highway/bdh.go b/client/internal/highway/bdh.go
index 58161f1a..ac688491 100644
--- a/client/internal/highway/bdh.go
+++ b/client/internal/highway/bdh.go
@@ -74,13 +74,9 @@ func uploadBDH(s *Session, addr Addr, trans *Transaction) ([]byte, error) {
 	}
 
 	const chunkSize = 256 * 1024
-	var rspExt, chunk []byte
+	var rspExt []byte
 	offset := 0
-	if trans.Size > chunkSize {
-		chunk = make([]byte, chunkSize)
-	} else {
-		chunk = make([]byte, trans.Size)
-	}
+	chunk := make([]byte, chunkSize)
 	for {
 		chunk = chunk[:cap(chunk)]
 		rl, err := io.ReadFull(trans.Body, chunk)
diff --git a/client/internal/highway/highway.go b/client/internal/highway/highway.go
index 96a36feb..cfa363ed 100644
--- a/client/internal/highway/highway.go
+++ b/client/internal/highway/highway.go
@@ -7,7 +7,6 @@ import (
 	"net"
 	"net/http"
 	"sync/atomic"
-	"time"
 
 	"github.com/pkg/errors"
 
@@ -22,6 +21,19 @@ const (
 	_REQ_CMD_HEART_BREAK = "PicUp.Echo"
 )
 
+type Addr struct {
+	IP   uint32
+	Port int
+}
+
+func (a Addr) AsNetIP() net.IP {
+	return net.IPv4(byte(a.IP>>24), byte(a.IP>>16), byte(a.IP>>8), byte(a.IP))
+}
+
+func (a Addr) String() string {
+	return fmt.Sprintf("%v:%v", binary.UInt32ToIPV4Address(a.IP), a.Port)
+}
+
 type Session struct {
 	Uin        string
 	AppID      int32
@@ -46,56 +58,6 @@ func (s *Session) AppendAddr(ip, port uint32) {
 	s.SsoAddr = append(s.SsoAddr, addr)
 }
 
-func (s *Session) Upload(addr Addr, trans Transaction) error {
-	conn, err := net.DialTimeout("tcp", addr.String(), time.Second*3)
-	if err != nil {
-		return errors.Wrap(err, "connect error")
-	}
-	defer conn.Close()
-
-	const chunkSize = 8192 * 8
-	chunk := make([]byte, chunkSize)
-	offset := 0
-	reader := binary.NewNetworkReader(conn)
-	for {
-		chunk = chunk[:chunkSize]
-		rl, err := io.ReadFull(trans.Body, chunk)
-		if errors.Is(err, io.EOF) {
-			break
-		}
-		if errors.Is(err, io.ErrUnexpectedEOF) {
-			chunk = chunk[:rl]
-		}
-		ch := md5.Sum(chunk)
-		head, _ := proto.Marshal(&pb.ReqDataHighwayHead{
-			MsgBasehead: s.dataHighwayHead(_REQ_CMD_DATA, 4096, trans.CommandID, 2052),
-			MsgSeghead: &pb.SegHead{
-				Filesize:      trans.Size,
-				Dataoffset:    int64(offset),
-				Datalength:    int32(rl),
-				Serviceticket: trans.Ticket,
-				Md5:           ch[:],
-				FileMd5:       trans.Sum,
-			},
-			ReqExtendinfo: []byte{},
-		})
-		offset += rl
-		frame := newFrame(head, chunk)
-		_, err = frame.WriteTo(conn)
-		if err != nil {
-			return errors.Wrap(err, "write conn error")
-		}
-		rspHead, err := readResponse(reader)
-		if err != nil {
-			return errors.Wrap(err, "highway upload error")
-		}
-		if rspHead.ErrorCode != 0 {
-			return errors.New("upload failed")
-		}
-	}
-	return nil
-}
-
 func (s *Session) UploadExciting(trans Transaction) ([]byte, error) {
 	return s.retry(uploadExciting, &trans)
 }
diff --git a/client/multimsg.go b/client/multimsg.go
index c4de9233..eba7270e 100644
--- a/client/multimsg.go
+++ b/client/multimsg.go
@@ -313,17 +313,13 @@ func (builder *ForwardMessageBuilder) Main(m *message.ForwardMessage) *message.F
 		Sum:       bodyHash[:],
 		Size:      int64(len(body)),
 	}
-	for i, ip := range rsp.Uint32UpIp {
-		addr := highway.Addr{IP: uint32(ip), Port: int(rsp.Uint32UpPort[i])}
-		err := c.highwaySession.Upload(addr, input)
-		if err != nil {
-			continue
-		}
-		return &message.ForwardElement{
-			FileName: filename,
-			Content:  content,
-			ResId:    rsp.MsgResid,
-		}
+	_, err = c.highwaySession.UploadBDH(input)
+	if err != nil {
+		return nil
+	}
+	return &message.ForwardElement{
+		FileName: filename,
+		Content:  content,
+		ResId:    rsp.MsgResid,
 	}
-	return nil
 }