diff --git a/client/client.go b/client/client.go
index cebb22e1..d2d53b9e 100644
--- a/client/client.go
+++ b/client/client.go
@@ -14,7 +14,6 @@ import (
 	"go.uber.org/atomic"
 
 	"github.com/Mrs4s/MiraiGo/binary"
-	"github.com/Mrs4s/MiraiGo/binary/jce"
 	"github.com/Mrs4s/MiraiGo/client/internal/auth"
 	"github.com/Mrs4s/MiraiGo/client/internal/highway"
 	"github.com/Mrs4s/MiraiGo/client/internal/network"
@@ -74,8 +73,8 @@ type QQClient struct {
 	// timeDiff       int64
 
 	// address
-	otherSrvAddrs   []string
-	fileStorageInfo *jce.FileStoragePushFSSvcList
+	// otherSrvAddrs   []string
+	// fileStorageInfo *jce.FileStoragePushFSSvcList
 
 	// message state
 	msgSvcCache            *utils.Cache
diff --git a/client/decoders.go b/client/decoders.go
index 79036fa9..736014f5 100644
--- a/client/decoders.go
+++ b/client/decoders.go
@@ -3,7 +3,6 @@ package client
 import (
 	"crypto/md5"
 	"encoding/hex"
-	"fmt"
 	"net"
 	"strconv"
 	"strings"
@@ -343,7 +342,7 @@ func decodePushReqPacket(c *QQClient, _ *network.IncomingPacketInfo, payload []b
 			list := &jce.FileStoragePushFSSvcList{}
 			list.ReadFrom(fmtPkt)
 			c.Debug("got file storage svc push.")
-			c.fileStorageInfo = list
+			// c.fileStorageInfo = list
 			rsp := cmd0x6ff.C501RspBody{}
 			if err := proto.Unmarshal(list.BigDataChannel.PbBuf, &rsp); err == nil && rsp.RspBody != nil {
 				c.highwaySession.SigSession = rsp.RspBody.SigSession
@@ -354,11 +353,14 @@ func decodePushReqPacket(c *QQClient, _ *network.IncomingPacketInfo, payload []b
 							c.highwaySession.AppendAddr(addr.GetIp(), addr.GetPort())
 						}
 					}
-					if srv.GetServiceType() == 21 {
-						for _, addr := range srv.Addrs {
-							c.otherSrvAddrs = append(c.otherSrvAddrs, fmt.Sprintf("%v:%v", binary.UInt32ToIPV4Address(addr.GetIp()), addr.GetPort()))
+					/*
+						if srv.GetServiceType() == 21 {
+							for _, addr := range srv.Addrs {
+								c.otherSrvAddrs = append(c.otherSrvAddrs, fmt.Sprintf("%v:%v", binary.UInt32ToIPV4Address(addr.GetIp()), addr.GetPort()))
+							}
 						}
-					}
+
+					*/
 				}
 			}
 		}
diff --git a/client/internal/network/response.go b/client/internal/network/response.go
index ce911ed5..c2d97f3c 100644
--- a/client/internal/network/response.go
+++ b/client/internal/network/response.go
@@ -55,7 +55,7 @@ func (t *Transport) ReadResponse(head []byte) (*Response, error) {
 func (t *Transport) readSSOFrame(resp *Response, payload []byte) error {
 	reader := binary.NewReader(payload)
 	headLen := reader.ReadInt32()
-	if headLen-4 > int32(reader.Len()) {
+	if headLen < 4 || headLen-4 > int32(reader.Len()) {
 		return errors.WithStack(ErrPacketDropped)
 	}
 
diff --git a/client/multimsg.go b/client/multimsg.go
index 9b81a2aa..6cead481 100644
--- a/client/multimsg.go
+++ b/client/multimsg.go
@@ -1,6 +1,7 @@
 package client
 
 import (
+	"bytes"
 	"fmt"
 	"math"
 	"time"
@@ -190,23 +191,18 @@ func (c *QQClient) DownloadForwardMessage(resId string) *message.ForwardElement
 	if multiMsg.PbItemList == nil {
 		return nil
 	}
-	var pv string
+	var pv bytes.Buffer
 	for i := 0; i < int(math.Min(4, float64(len(multiMsg.Msg)))); i++ {
 		m := multiMsg.Msg[i]
-		pv += fmt.Sprintf(`<title size="26" color="#777777">%s: %s</title>`,
-			func() string {
-				if m.Head.GetMsgType() == 82 && m.Head.GroupInfo != nil {
-					return m.Head.GroupInfo.GetGroupCard()
-				}
-				return m.Head.GetFromNick()
-			}(),
-			message.ToReadableString(
-				message.ParseMessageElems(multiMsg.Msg[i].Body.RichText.Elems),
-			),
-		)
+		sender := m.Head.GetFromNick()
+		if m.Head.GetMsgType() == 82 && m.Head.GroupInfo != nil {
+			sender = m.Head.GroupInfo.GetGroupCard()
+		}
+		brief := message.ToReadableString(message.ParseMessageElems(multiMsg.Msg[i].Body.RichText.Elems))
+		fmt.Fprintf(&pv, `<title size="26" color="#777777">%s: %s</title>`, sender, brief)
 	}
 	return genForwardTemplate(
-		resId, pv, "群聊的聊天记录", "[聊天记录]", "聊天记录",
+		resId, pv.String(), "群聊的聊天记录", "[聊天记录]", "聊天记录",
 		fmt.Sprintf("查看 %d 条转发消息", len(multiMsg.Msg)),
 		time.Now().UnixNano(),
 		multiMsg.PbItemList,