diff --git a/binary/jce/gen/structs_parser.go b/binary/jce/gen/structs_parser.go
new file mode 100644
index 00000000..9d941bd6
--- /dev/null
+++ b/binary/jce/gen/structs_parser.go
@@ -0,0 +1,92 @@
+package main
+
+import (
+	"bufio"
+	"bytes"
+	"flag"
+	"fmt"
+	"os"
+	"os/exec"
+	"strings"
+
+	_ "embed"
+)
+
+//go:embed structs_parser_tmp.go
+var tmpmain string
+
+func main() {
+	f := flag.String("f", "structs_tobytes.go", "output file.")
+	i := flag.String("i", "structs.go", "input file.")
+	flag.Parse()
+	fmt.Println("gen runs on arg", *f, *i)
+	fmt.Println("len of tmp main is", len(tmpmain))
+	tmp, err := os.Create("tmp.go")
+	if err != nil {
+		panic(err)
+	}
+	inp, err := os.Open(*i)
+	if err != nil {
+		panic(err)
+	}
+	var structs []string
+	var isinhead = true
+	var isinfill = false
+	var isnexttemplate = false
+	s := bufio.NewScanner(bytes.NewReader([]byte(tmpmain)))
+	for s.Scan() {
+		line := s.Text()
+		if isinhead {
+			if strings.Contains(line, "Main_") {
+				line = "func main() {"
+				isnexttemplate = true
+				isinhead = false
+				scanner := bufio.NewScanner(inp)
+				start := false
+				for scanner.Scan() {
+					t := scanner.Text()
+					if t == "type (" {
+						start = true
+					}
+					if start {
+						tmp.WriteString(t + "\n")
+						if t == ")" {
+							break
+						}
+						if strings.Contains(t, " struct {") {
+							structs = append(structs, strings.Trim(t[:len(t)-9], "\t"))
+						}
+					}
+				}
+				inp.Close()
+			}
+			tmp.WriteString(line + "\n")
+		} else if isinfill {
+			for _, s := range structs {
+				fmt.Fprintf(tmp, "\tWriteJceStruct(w, &%s{})\n", s)
+			}
+			isinfill = false
+			tmp.WriteString("// structs_parser: fill area\n")
+			tmp.WriteString(line + "\n")
+		} else {
+			if strings.Contains(line, "// structs_parser: fill area") {
+				isinfill = true
+				tmp.WriteString("// structs_parser: fill area\n")
+			} else {
+				if isnexttemplate {
+					fmt.Fprintf(tmp, line+"\n", *f)
+					isnexttemplate = false
+				} else {
+					tmp.WriteString(line + "\n")
+				}
+			}
+		}
+	}
+	tmp.Close()
+	c := exec.Command("go", "run", "tmp.go")
+	err = c.Run()
+	if err != nil {
+		panic(err)
+	}
+	os.Remove("tmp.go")
+}
diff --git a/binary/jce/gen/structs_parser_tmp.go b/binary/jce/gen/structs_parser_tmp.go
new file mode 100644
index 00000000..26ccd631
--- /dev/null
+++ b/binary/jce/gen/structs_parser_tmp.go
@@ -0,0 +1,149 @@
+package main
+
+import (
+	"fmt"
+	"io"
+	"os"
+	"reflect"
+	"strconv"
+	"strings"
+	"sync"
+)
+
+type IJceStruct interface{}
+
+const head = "// Code generated by structs_parser; DO NOT EDIT.\npackage jce\n"
+
+func Main_() {
+	w, err := os.Create("%s")
+	if err != nil {
+		panic(err)
+	}
+	w.WriteString(head)
+	// structs_parser: fill area
+	err = w.Close()
+	if err != nil {
+		panic(err)
+	}
+}
+
+func writeObject(w io.Writer, v reflect.Value, tag byte, name string) {
+	k := v.Kind()
+	if k == reflect.Map {
+		switch v.Interface().(type) {
+		case map[string]string:
+			w.Write([]byte(fmt.Sprintf("\tw.writeMapStrStr(pkt.%s, %d)\n", name, tag)))
+		case map[string][]byte:
+			w.Write([]byte(fmt.Sprintf("\tw.writeMapStrBytes(pkt.%s, %d)\n", name, tag)))
+		case map[string]map[string][]byte:
+			w.Write([]byte(fmt.Sprintf("\tw.writeMapStrMapStrBytes(pkt.%s, %d)\n", name, tag)))
+		default:
+			w.Write([]byte(fmt.Sprintf("\tw.writeMap(pkt.%s, %d)\n", name, tag)))
+		}
+		return
+	}
+	if k == reflect.Slice {
+		switch v.Interface().(type) {
+		case []byte:
+			w.Write([]byte(fmt.Sprintf("\tw.WriteBytes(pkt.%s, %d)\n", name, tag)))
+		case []int64:
+			w.Write([]byte(fmt.Sprintf("\tw.WriteInt64Slice(pkt.%s, %d)\n", name, tag)))
+		case [][]byte:
+			w.Write([]byte(fmt.Sprintf("\tw.WriteBytesSlice(pkt.%s, %d)\n", name, tag)))
+		default:
+			writeJceStructSlice(w, tag, name)
+		}
+		return
+	}
+	switch k {
+	case reflect.Uint8, reflect.Int8:
+		w.Write([]byte(fmt.Sprintf("\tw.WriteByte(pkt.%s, %d)\n", name, tag)))
+	case reflect.Uint16, reflect.Int16:
+		w.Write([]byte(fmt.Sprintf("\tw.WriteInt16(pkt.%s, %d)\n", name, tag)))
+	case reflect.Uint32, reflect.Int32:
+		w.Write([]byte(fmt.Sprintf("\tw.WriteInt32(pkt.%s, %d)\n", name, tag)))
+	case reflect.Uint64, reflect.Int64:
+		w.Write([]byte(fmt.Sprintf("\tw.WriteInt64(pkt.%s, %d)\n", name, tag)))
+	case reflect.Int, reflect.Uint:
+		w.Write([]byte(fmt.Sprintf("\tw.WriteInt64(int64(pkt.%s), %d)\n", name, tag)))
+	case reflect.String:
+		w.Write([]byte(fmt.Sprintf("\tw.WriteString(pkt.%s, %d)\n", name, tag)))
+	default:
+		switch v.Interface().(type) {
+		case float32:
+			w.Write([]byte(fmt.Sprintf("\tw.WriteFloat32(pkt.%s, %d)\n", name, tag)))
+		case float64:
+			w.Write([]byte(fmt.Sprintf("\tw.WriteFloat64(pkt.%s, %d)\n", name, tag)))
+		case IJceStruct:
+			w.Write([]byte(fmt.Sprintf("\tw.writeHead(10, %d)\n", tag)))
+			w.Write([]byte(fmt.Sprintf("\tw.buf.Write(pkt.%s.ToBytes())\n", name)))
+			w.Write([]byte("\tw.writeHead(11, 0)\n"))
+		}
+	}
+}
+
+type decoder struct {
+	index int
+	id    int
+	name  string
+}
+
+var decoderCache = sync.Map{}
+
+// writeJceStructRaw 写入 Jce 结构体
+func writeJceStructRaw(w io.Writer, s interface{}) {
+	t := reflect.TypeOf(s)
+	if t.Kind() != reflect.Ptr {
+		return
+	}
+	t = t.Elem()
+	v := reflect.ValueOf(s).Elem()
+	var jceDec []decoder
+	dec, ok := decoderCache.Load(t)
+	if ok { // 从缓存中加载
+		jceDec = dec.([]decoder)
+	} else { // 初次反射
+		jceDec = make([]decoder, 0, t.NumField())
+		for i := 0; i < t.NumField(); i++ {
+			field := t.Field(i)
+			strId := field.Tag.Get("jceId")
+			if strId == "" {
+				continue
+			}
+			id, err := strconv.Atoi(strId)
+			if err != nil {
+				continue
+			}
+			jceDec = append(jceDec, decoder{
+				index: i,
+				id:    id,
+				name:  field.Name,
+			})
+		}
+		decoderCache.Store(t, jceDec) // 存入缓存
+	}
+	for _, dec := range jceDec {
+		obj := v.Field(dec.index)
+		writeObject(w, obj, byte(dec.id), dec.name)
+	}
+}
+
+func writeJceStructSlice(w io.Writer, tag byte, name string) {
+	w.Write([]byte(fmt.Sprintf("\tw.writeHead(9, %d)\n", tag)))
+	w.Write([]byte(fmt.Sprintf("\tif len(pkt.%s) == 0 {\n", name)))
+	w.Write([]byte("\t\tw.writeHead(12, 0) // w.WriteInt32(0, 0)\n"))
+	w.Write([]byte("\t} else {\n"))
+	w.Write([]byte(fmt.Sprintf("\t\tw.WriteInt32(int32(len(pkt.%s)), 0)\n", name)))
+	w.Write([]byte(fmt.Sprintf("\t\tfor _, i := range pkt.%s {\n", name)))
+	w.Write([]byte("\t\t\tw.buf.Write(i.ToBytes())\n"))
+	w.Write([]byte("\t\t}\n"))
+	w.Write([]byte("\t}\n"))
+}
+
+func WriteJceStruct(w io.Writer, s IJceStruct) {
+	w.Write([]byte(fmt.Sprintf("\nfunc (pkt %s) ToBytes() []byte {\n", strings.ReplaceAll(reflect.TypeOf(s).String(), "main.", ""))))
+	w.Write([]byte("\tw := NewJceWriter()\n"))
+	writeJceStructRaw(w, s)
+	w.Write([]byte("\treturn w.Bytes()\n"))
+	w.Write([]byte("}\n"))
+}
diff --git a/binary/jce/reader_test.go b/binary/jce/reader_test.go
index 7caec125..883897fd 100644
--- a/binary/jce/reader_test.go
+++ b/binary/jce/reader_test.go
@@ -2,7 +2,11 @@ package jce
 
 import (
 	"math/rand"
+	"reflect"
+	"strconv"
+	"sync"
 	"testing"
+	"unsafe"
 
 	"github.com/stretchr/testify/assert"
 )
@@ -15,7 +19,7 @@ func TestJceReader_ReadSlice(t *testing.T) {
 		s[i] = b
 	}
 	w := NewJceWriter()
-	w.WriteObject(s, 1)
+	w.WriteBytesSlice(s, 1)
 	r := NewJceReader(w.Bytes())
 	result := r.ReadByteArrArr(1)
 	assert.Equal(t, s, result)
@@ -64,7 +68,7 @@ var req = RequestDataVersion2{
 func TestRequestDataVersion2_ReadFrom(t *testing.T) {
 	// todo(wdv): fuzz test
 	w := NewJceWriter()
-	w.WriteObject(req.Map, 0)
+	w.writeMapStrMapStrBytes(req.Map, 0)
 	src := w.Bytes()
 	result := RequestDataVersion2{}
 	result.ReadFrom(NewJceReader(src))
@@ -73,7 +77,7 @@ func TestRequestDataVersion2_ReadFrom(t *testing.T) {
 
 func BenchmarkRequestDataVersion2_ReadFrom(b *testing.B) {
 	w := NewJceWriter()
-	w.WriteObject(req.Map, 0)
+	w.writeMapStrMapStrBytes(req.Map, 0)
 	src := w.Bytes()
 	b.SetBytes(int64(len(src)))
 	result := &RequestDataVersion2{}
@@ -93,3 +97,210 @@ func TestJceReader_ReadBytes(t *testing.T) {
 
 	assert.Equal(t, b, rb)
 }
+
+func (w *JceWriter) WriteObject(i interface{}, tag byte) {
+	t := reflect.TypeOf(i)
+	if t.Kind() == reflect.Map {
+		w.WriteMap(i, tag)
+		return
+	}
+	if t.Kind() == reflect.Slice {
+		if b, ok := i.([]byte); ok {
+			w.WriteBytes(b, tag)
+			return
+		}
+		w.WriteSlice(i, tag)
+		return
+	}
+	switch o := i.(type) {
+	case byte:
+		w.WriteByte(o, tag)
+	case bool:
+		w.WriteBool(o, tag)
+	case int16:
+		w.WriteInt16(o, tag)
+	case int32:
+		w.WriteInt32(o, tag)
+	case int64:
+		w.WriteInt64(o, tag)
+	case float32:
+		w.WriteFloat32(o, tag)
+	case float64:
+		w.WriteFloat64(o, tag)
+	case string:
+		w.WriteString(o, tag)
+	case IJceStruct:
+		w.WriteJceStruct(o, tag)
+	}
+}
+
+func (w *JceWriter) writeObject(v reflect.Value, tag byte) {
+	k := v.Kind()
+	if k == reflect.Map {
+		switch o := v.Interface().(type) {
+		case map[string]string:
+			w.writeMapStrStr(o, tag)
+		case map[string][]byte:
+			w.writeMapStrBytes(o, tag)
+		case map[string]map[string][]byte:
+			w.writeMapStrMapStrBytes(o, tag)
+		default:
+			w.writeMap(v, tag)
+		}
+		return
+	}
+	if k == reflect.Slice {
+		switch o := v.Interface().(type) {
+		case []byte:
+			w.WriteBytes(o, tag)
+		case []IJceStruct:
+			w.WriteJceStructSlice(o, tag)
+		default:
+			w.writeSlice(v, tag)
+		}
+		return
+	}
+	switch k {
+	case reflect.Uint8, reflect.Int8:
+		w.WriteByte(*(*byte)(pointerOf(v)), tag)
+	case reflect.Uint16, reflect.Int16:
+		w.WriteInt16(*(*int16)(pointerOf(v)), tag)
+	case reflect.Uint32, reflect.Int32:
+		w.WriteInt32(*(*int32)(pointerOf(v)), tag)
+	case reflect.Uint64, reflect.Int64:
+		w.WriteInt64(*(*int64)(pointerOf(v)), tag)
+	case reflect.String:
+		w.WriteString(v.String(), tag)
+	default:
+		switch o := v.Interface().(type) {
+		case IJceStruct:
+			w.WriteJceStruct(o, tag)
+		case float32:
+			w.WriteFloat32(o, tag)
+		case float64:
+			w.WriteFloat64(o, tag)
+		}
+	}
+}
+
+type decoder struct {
+	index int
+	id    int
+}
+
+var decoderCache = sync.Map{}
+
+// WriteJceStructRaw 写入 Jce 结构体
+func (w *JceWriter) WriteJceStructRaw(s interface{}) {
+	t := reflect.TypeOf(s)
+	if t.Kind() != reflect.Ptr {
+		return
+	}
+	t = t.Elem()
+	v := reflect.ValueOf(s).Elem()
+	var jceDec []decoder
+	dec, ok := decoderCache.Load(t)
+	if ok { // 从缓存中加载
+		jceDec = dec.([]decoder)
+	} else { // 初次反射
+		jceDec = make([]decoder, 0, t.NumField())
+		for i := 0; i < t.NumField(); i++ {
+			field := t.Field(i)
+			strId := field.Tag.Get("jceId")
+			if strId == "" {
+				continue
+			}
+			id, err := strconv.Atoi(strId)
+			if err != nil {
+				continue
+			}
+			jceDec = append(jceDec, decoder{
+				index: i,
+				id:    id,
+			})
+		}
+		decoderCache.Store(t, jceDec) // 存入缓存
+	}
+	for _, dec := range jceDec {
+		obj := v.Field(dec.index)
+		w.writeObject(obj, byte(dec.id))
+	}
+}
+
+func (w *JceWriter) WriteJceStruct(s IJceStruct, tag byte) {
+	w.writeHead(10, tag)
+	w.WriteJceStructRaw(s)
+	w.writeHead(11, 0)
+}
+
+func (w *JceWriter) WriteSlice(i interface{}, tag byte) {
+	va := reflect.ValueOf(i)
+	if va.Kind() != reflect.Slice {
+		panic("JceWriter.WriteSlice: not a slice")
+	}
+	w.writeSlice(va, tag)
+}
+
+func (w *JceWriter) writeSlice(slice reflect.Value, tag byte) {
+	if slice.Kind() != reflect.Slice {
+		return
+	}
+	w.writeHead(9, tag)
+	if slice.Len() == 0 {
+		w.writeHead(12, 0) // w.WriteInt32(0, 0)
+		return
+	}
+	w.WriteInt32(int32(slice.Len()), 0)
+	for i := 0; i < slice.Len(); i++ {
+		v := slice.Index(i)
+		w.writeObject(v, 0)
+	}
+}
+
+func (w *JceWriter) WriteJceStructSlice(l []IJceStruct, tag byte) {
+	w.writeHead(9, tag)
+	if len(l) == 0 {
+		w.writeHead(12, 0) // w.WriteInt32(0, 0)
+		return
+	}
+	w.WriteInt32(int32(len(l)), 0)
+	for _, v := range l {
+		w.WriteJceStruct(v, 0)
+	}
+}
+
+func (w *JceWriter) WriteMap(m interface{}, tag byte) {
+	va := reflect.ValueOf(m)
+	if va.Kind() != reflect.Map {
+		panic("JceWriter.WriteMap: not a map")
+	}
+	w.writeMap(va, tag)
+}
+
+func (w *JceWriter) writeMap(m reflect.Value, tag byte) {
+	if m.IsNil() {
+		w.writeHead(8, tag)
+		w.writeHead(12, 0) // w.WriteInt32(0, 0)
+		return
+	}
+	if m.Kind() != reflect.Map {
+		return
+	}
+	w.writeHead(8, tag)
+	w.WriteInt32(int32(m.Len()), 0)
+	iter := m.MapRange()
+	for iter.Next() {
+		w.writeObject(iter.Key(), 0)
+		w.writeObject(iter.Value(), 1)
+	}
+}
+
+type value struct {
+	typ  unsafe.Pointer
+	data unsafe.Pointer
+	flag uintptr
+}
+
+func pointerOf(v reflect.Value) unsafe.Pointer {
+	return (*value)(unsafe.Pointer(&v)).data
+}
diff --git a/binary/jce/reflectx.go b/binary/jce/reflectx.go
deleted file mode 100644
index 3adf69f4..00000000
--- a/binary/jce/reflectx.go
+++ /dev/null
@@ -1,16 +0,0 @@
-package jce
-
-import (
-	"reflect"
-	"unsafe"
-)
-
-type value struct {
-	typ  unsafe.Pointer
-	data unsafe.Pointer
-	flag uintptr
-}
-
-func pointerOf(v reflect.Value) unsafe.Pointer {
-	return (*value)(unsafe.Pointer(&v)).data
-}
diff --git a/binary/jce/structs.go b/binary/jce/structs.go
index 1cb644e2..f30e9a63 100644
--- a/binary/jce/structs.go
+++ b/binary/jce/structs.go
@@ -1,10 +1,11 @@
 package jce
 
 type IJceStruct interface {
-	// ToBytes() []byte
+	ToBytes() []byte
 	ReadFrom(*JceReader)
 }
 
+//go:generate go run gen/structs_parser.go -f structs_tobytes.go -i structs.go
 type (
 	RequestPacket struct {
 		IVersion     int16             `jceId:"1"`
@@ -539,12 +540,6 @@ type (
 	}
 )
 
-func (pkt *RequestPacket) ToBytes() []byte {
-	w := NewJceWriter()
-	w.WriteJceStructRaw(pkt)
-	return w.Bytes()
-}
-
 func (pkt *RequestPacket) ReadFrom(r *JceReader) {
 	pkt.IVersion = r.ReadInt16(1)
 	pkt.CPacketType = r.ReadByte(2)
@@ -560,22 +555,10 @@ func (pkt *RequestPacket) ReadFrom(r *JceReader) {
 	pkt.Status = r.ReadMapStrStr(10)
 }
 
-func (pkt *RequestDataVersion3) ToBytes() []byte {
-	w := NewJceWriter()
-	w.WriteJceStructRaw(pkt)
-	return w.Bytes()
-}
-
 func (pkt *RequestDataVersion3) ReadFrom(r *JceReader) {
 	pkt.Map = r.ReadMapStrByte(0)
 }
 
-func (pkt *RequestDataVersion2) ToBytes() []byte {
-	w := NewJceWriter()
-	w.WriteJceStructRaw(pkt)
-	return w.Bytes()
-}
-
 func (pkt *RequestDataVersion2) ReadFrom(r *JceReader) {
 	pkt.Map = r.ReadMapStrMapStrByte(0)
 }
@@ -625,12 +608,6 @@ func (pkt *BigDataIPInfo) ReadFrom(r *JceReader) {
 	pkt.Port = r.ReadInt64(2)
 }
 
-func (pkt *SvcReqRegister) ToBytes() []byte {
-	w := NewJceWriter()
-	w.WriteJceStructRaw(pkt)
-	return w.Bytes()
-}
-
 func (pkt *SvcRespRegister) ReadFrom(r *JceReader) {
 	pkt.Uin = r.ReadInt64(0)
 	pkt.Bid = r.ReadInt64(1)
@@ -652,24 +629,6 @@ func (pkt *SvcRespRegister) ReadFrom(r *JceReader) {
 	pkt.ExtOnlineStatus = r.ReadInt64(17)
 }
 
-func (pkt *FriendListRequest) ToBytes() []byte {
-	w := NewJceWriter()
-	w.WriteJceStructRaw(pkt)
-	return w.Bytes()
-}
-
-func (pkt *SummaryCardReq) ToBytes() []byte {
-	w := NewJceWriter()
-	w.WriteJceStructRaw(pkt)
-	return w.Bytes()
-}
-
-func (pkt *SummaryCardReqSearch) ToBytes() []byte {
-	w := NewJceWriter()
-	w.WriteJceStructRaw(pkt)
-	return w.Bytes()
-}
-
 func (pkt *FriendInfo) ReadFrom(r *JceReader) {
 	pkt.FriendUin = r.ReadInt64(0)
 	pkt.GroupId = r.ReadByte(1)
@@ -683,12 +642,6 @@ func (pkt *FriendInfo) ReadFrom(r *JceReader) {
 	pkt.CardID = r.ReadBytes(41)
 }
 
-func (pkt *TroopListRequest) ToBytes() []byte {
-	w := NewJceWriter()
-	w.WriteJceStructRaw(pkt)
-	return w.Bytes()
-}
-
 func (pkt *TroopNumber) ReadFrom(r *JceReader) {
 	pkt.GroupUin = r.ReadInt64(0)
 	pkt.GroupCode = r.ReadInt64(1)
@@ -699,12 +652,6 @@ func (pkt *TroopNumber) ReadFrom(r *JceReader) {
 	pkt.MaxGroupMemberNum = r.ReadInt64(29)
 }
 
-func (pkt *TroopMemberListRequest) ToBytes() []byte {
-	w := NewJceWriter()
-	w.WriteJceStructRaw(pkt)
-	return w.Bytes()
-}
-
 func (pkt *TroopMemberInfo) ReadFrom(r *JceReader) {
 	pkt.MemberUin = r.ReadInt64(0)
 	pkt.FaceId = r.ReadInt16(1)
@@ -800,33 +747,3 @@ func (pkt *InstanceInfo) ReadFrom(r *JceReader) {
 	pkt.ProductType = r.ReadInt64(3)
 	pkt.ClientType = r.ReadInt64(4)
 }
-
-func (pkt *SvcRespPushMsg) ToBytes() []byte {
-	w := NewJceWriter()
-	w.WriteJceStructRaw(pkt)
-	return w.Bytes()
-}
-
-func (pkt *ModifyGroupCardRequest) ToBytes() []byte {
-	w := NewJceWriter()
-	w.WriteJceStructRaw(pkt)
-	return w.Bytes()
-}
-
-func (pkt *SvcReqGetDevLoginInfo) ToBytes() []byte {
-	w := NewJceWriter()
-	w.WriteJceStructRaw(pkt)
-	return w.Bytes()
-}
-
-func (pkt *SvcReqRegisterNew) ToBytes() []byte {
-	w := NewJceWriter()
-	w.WriteJceStructRaw(pkt)
-	return w.Bytes()
-}
-
-func (pkt *DelFriendReq) ToBytes() []byte {
-	w := NewJceWriter()
-	w.WriteJceStructRaw(pkt)
-	return w.Bytes()
-}
diff --git a/binary/jce/structs_tobytes.go b/binary/jce/structs_tobytes.go
new file mode 100644
index 00000000..1e042498
--- /dev/null
+++ b/binary/jce/structs_tobytes.go
@@ -0,0 +1,688 @@
+// Code generated by structs_parser; DO NOT EDIT.
+package jce
+
+func (pkt *RequestPacket) ToBytes() []byte {
+	w := NewJceWriter()
+	w.WriteInt16(pkt.IVersion, 1)
+	w.WriteByte(pkt.CPacketType, 2)
+	w.WriteInt32(pkt.IMessageType, 3)
+	w.WriteInt32(pkt.IRequestId, 4)
+	w.WriteString(pkt.SServantName, 5)
+	w.WriteString(pkt.SFuncName, 6)
+	w.WriteBytes(pkt.SBuffer, 7)
+	w.WriteInt32(pkt.ITimeout, 8)
+	w.writeMapStrStr(pkt.Context, 9)
+	w.writeMapStrStr(pkt.Status, 10)
+	return w.Bytes()
+}
+
+func (pkt *RequestDataVersion3) ToBytes() []byte {
+	w := NewJceWriter()
+	w.writeMapStrBytes(pkt.Map, 0)
+	return w.Bytes()
+}
+
+func (pkt *RequestDataVersion2) ToBytes() []byte {
+	w := NewJceWriter()
+	w.writeMapStrMapStrBytes(pkt.Map, 0)
+	return w.Bytes()
+}
+
+func (pkt *SsoServerInfo) ToBytes() []byte {
+	w := NewJceWriter()
+	w.WriteString(pkt.Server, 1)
+	w.WriteInt32(pkt.Port, 2)
+	w.WriteString(pkt.Location, 8)
+	return w.Bytes()
+}
+
+func (pkt *FileStoragePushFSSvcList) ToBytes() []byte {
+	w := NewJceWriter()
+	w.writeHead(9, 0)
+	if len(pkt.UploadList) == 0 {
+		w.writeHead(12, 0) // w.WriteInt32(0, 0)
+	} else {
+		w.WriteInt32(int32(len(pkt.UploadList)), 0)
+		for _, i := range pkt.UploadList {
+			w.buf.Write(i.ToBytes())
+		}
+	}
+	w.writeHead(9, 1)
+	if len(pkt.PicDownloadList) == 0 {
+		w.writeHead(12, 0) // w.WriteInt32(0, 0)
+	} else {
+		w.WriteInt32(int32(len(pkt.PicDownloadList)), 0)
+		for _, i := range pkt.PicDownloadList {
+			w.buf.Write(i.ToBytes())
+		}
+	}
+	w.writeHead(9, 2)
+	if len(pkt.GPicDownloadList) == 0 {
+		w.writeHead(12, 0) // w.WriteInt32(0, 0)
+	} else {
+		w.WriteInt32(int32(len(pkt.GPicDownloadList)), 0)
+		for _, i := range pkt.GPicDownloadList {
+			w.buf.Write(i.ToBytes())
+		}
+	}
+	w.writeHead(9, 3)
+	if len(pkt.QZoneProxyServiceList) == 0 {
+		w.writeHead(12, 0) // w.WriteInt32(0, 0)
+	} else {
+		w.WriteInt32(int32(len(pkt.QZoneProxyServiceList)), 0)
+		for _, i := range pkt.QZoneProxyServiceList {
+			w.buf.Write(i.ToBytes())
+		}
+	}
+	w.writeHead(9, 4)
+	if len(pkt.UrlEncodeServiceList) == 0 {
+		w.writeHead(12, 0) // w.WriteInt32(0, 0)
+	} else {
+		w.WriteInt32(int32(len(pkt.UrlEncodeServiceList)), 0)
+		for _, i := range pkt.UrlEncodeServiceList {
+			w.buf.Write(i.ToBytes())
+		}
+	}
+	w.writeHead(10, 5)
+	w.buf.Write(pkt.BigDataChannel.ToBytes())
+	w.writeHead(11, 0)
+	w.writeHead(9, 6)
+	if len(pkt.VipEmotionList) == 0 {
+		w.writeHead(12, 0) // w.WriteInt32(0, 0)
+	} else {
+		w.WriteInt32(int32(len(pkt.VipEmotionList)), 0)
+		for _, i := range pkt.VipEmotionList {
+			w.buf.Write(i.ToBytes())
+		}
+	}
+	w.writeHead(9, 7)
+	if len(pkt.C2CPicDownList) == 0 {
+		w.writeHead(12, 0) // w.WriteInt32(0, 0)
+	} else {
+		w.WriteInt32(int32(len(pkt.C2CPicDownList)), 0)
+		for _, i := range pkt.C2CPicDownList {
+			w.buf.Write(i.ToBytes())
+		}
+	}
+	w.WriteBytes(pkt.PttList, 10)
+	return w.Bytes()
+}
+
+func (pkt *FileStorageServerInfo) ToBytes() []byte {
+	w := NewJceWriter()
+	w.WriteString(pkt.Server, 1)
+	w.WriteInt32(pkt.Port, 2)
+	return w.Bytes()
+}
+
+func (pkt *BigDataChannel) ToBytes() []byte {
+	w := NewJceWriter()
+	w.writeHead(9, 0)
+	if len(pkt.IPLists) == 0 {
+		w.writeHead(12, 0) // w.WriteInt32(0, 0)
+	} else {
+		w.WriteInt32(int32(len(pkt.IPLists)), 0)
+		for _, i := range pkt.IPLists {
+			w.buf.Write(i.ToBytes())
+		}
+	}
+	w.WriteBytes(pkt.SigSession, 1)
+	w.WriteBytes(pkt.KeySession, 2)
+	w.WriteInt64(pkt.SigUin, 3)
+	w.WriteInt32(pkt.ConnectFlag, 4)
+	w.WriteBytes(pkt.PbBuf, 5)
+	return w.Bytes()
+}
+
+func (pkt *BigDataIPList) ToBytes() []byte {
+	w := NewJceWriter()
+	w.WriteInt64(pkt.ServiceType, 0)
+	w.writeHead(9, 1)
+	if len(pkt.IPList) == 0 {
+		w.writeHead(12, 0) // w.WriteInt32(0, 0)
+	} else {
+		w.WriteInt32(int32(len(pkt.IPList)), 0)
+		for _, i := range pkt.IPList {
+			w.buf.Write(i.ToBytes())
+		}
+	}
+	w.WriteInt64(pkt.FragmentSize, 3)
+	return w.Bytes()
+}
+
+func (pkt *BigDataIPInfo) ToBytes() []byte {
+	w := NewJceWriter()
+	w.WriteInt64(pkt.Type, 0)
+	w.WriteString(pkt.Server, 1)
+	w.WriteInt64(pkt.Port, 2)
+	return w.Bytes()
+}
+
+func (pkt *SvcReqRegister) ToBytes() []byte {
+	w := NewJceWriter()
+	w.WriteInt64(pkt.Uin, 0)
+	w.WriteInt64(pkt.Bid, 1)
+	w.WriteByte(pkt.ConnType, 2)
+	w.WriteString(pkt.Other, 3)
+	w.WriteInt32(pkt.Status, 4)
+	w.WriteByte(pkt.OnlinePush, 5)
+	w.WriteByte(pkt.IsOnline, 6)
+	w.WriteByte(pkt.IsShowOnline, 7)
+	w.WriteByte(pkt.KickPC, 8)
+	w.WriteByte(pkt.KickWeak, 9)
+	w.WriteInt64(pkt.Timestamp, 10)
+	w.WriteInt64(pkt.IOSVersion, 11)
+	w.WriteByte(pkt.NetType, 12)
+	w.WriteString(pkt.BuildVer, 13)
+	w.WriteByte(pkt.RegType, 14)
+	w.WriteBytes(pkt.DevParam, 15)
+	w.WriteBytes(pkt.Guid, 16)
+	w.WriteInt32(pkt.LocaleId, 17)
+	w.WriteByte(pkt.SilentPush, 18)
+	w.WriteString(pkt.DevName, 19)
+	w.WriteString(pkt.DevType, 20)
+	w.WriteString(pkt.OSVer, 21)
+	w.WriteByte(pkt.OpenPush, 22)
+	w.WriteInt64(pkt.LargeSeq, 23)
+	w.WriteInt64(pkt.LastWatchStartTime, 24)
+	w.WriteInt64(pkt.OldSSOIp, 26)
+	w.WriteInt64(pkt.NewSSOIp, 27)
+	w.WriteString(pkt.ChannelNo, 28)
+	w.WriteInt64(pkt.CPID, 29)
+	w.WriteString(pkt.VendorName, 30)
+	w.WriteString(pkt.VendorOSName, 31)
+	w.WriteString(pkt.IOSIdfa, 32)
+	w.WriteBytes(pkt.B769, 33)
+	w.WriteByte(pkt.IsSetStatus, 34)
+	w.WriteBytes(pkt.ServerBuf, 35)
+	w.WriteByte(pkt.SetMute, 36)
+	w.WriteInt64(pkt.ExtOnlineStatus, 38)
+	w.WriteInt32(pkt.BatteryStatus, 39)
+	return w.Bytes()
+}
+
+func (pkt *SvcRespRegister) ToBytes() []byte {
+	w := NewJceWriter()
+	w.WriteInt64(pkt.Uin, 0)
+	w.WriteInt64(pkt.Bid, 1)
+	w.WriteByte(pkt.ReplyCode, 2)
+	w.WriteString(pkt.Result, 3)
+	w.WriteInt64(pkt.ServerTime, 4)
+	w.WriteByte(pkt.LogQQ, 5)
+	w.WriteByte(pkt.NeedKik, 6)
+	w.WriteByte(pkt.UpdateFlag, 7)
+	w.WriteInt64(pkt.Timestamp, 8)
+	w.WriteByte(pkt.CrashFlag, 9)
+	w.WriteString(pkt.ClientIp, 10)
+	w.WriteInt32(pkt.ClientPort, 11)
+	w.WriteInt32(pkt.HelloInterval, 12)
+	w.WriteInt32(pkt.LargeSeq, 13)
+	w.WriteByte(pkt.LargeSeqUpdate, 14)
+	w.WriteBytes(pkt.D769RspBody, 15)
+	w.WriteInt32(pkt.Status, 16)
+	w.WriteInt64(pkt.ExtOnlineStatus, 17)
+	w.WriteInt64(pkt.ClientBatteryGetInterval, 18)
+	w.WriteInt64(pkt.ClientAutoStatusInterval, 19)
+	return w.Bytes()
+}
+
+func (pkt *SvcReqRegisterNew) ToBytes() []byte {
+	w := NewJceWriter()
+	w.WriteInt64(pkt.RequestOptional, 0)
+	w.WriteByte(pkt.DisGroupMsgFilter, 14)
+	w.WriteByte(pkt.GroupMask, 15)
+	w.WriteInt64(pkt.EndSeq, 16)
+	w.WriteBytes(pkt.O769Body, 20)
+	return w.Bytes()
+}
+
+func (pkt *SvcReqGetMsgV2) ToBytes() []byte {
+	w := NewJceWriter()
+	w.WriteInt64(pkt.Uin, 0)
+	w.WriteInt32(pkt.DateTime, 1)
+	w.WriteByte(pkt.RecivePic, 4)
+	w.WriteInt16(pkt.Ability, 6)
+	w.WriteByte(pkt.Channel, 9)
+	w.WriteByte(pkt.Inst, 16)
+	w.WriteByte(pkt.ChannelEx, 17)
+	w.WriteBytes(pkt.SyncCookie, 18)
+	w.WriteInt64(int64(pkt.SyncFlag), 19)
+	w.WriteByte(pkt.RambleFlag, 20)
+	w.WriteInt64(pkt.GeneralAbi, 26)
+	w.WriteBytes(pkt.PubAccountCookie, 27)
+	return w.Bytes()
+}
+
+func (pkt *SvcReqPullGroupMsgSeq) ToBytes() []byte {
+	w := NewJceWriter()
+	w.writeHead(9, 0)
+	if len(pkt.GroupInfo) == 0 {
+		w.writeHead(12, 0) // w.WriteInt32(0, 0)
+	} else {
+		w.WriteInt32(int32(len(pkt.GroupInfo)), 0)
+		for _, i := range pkt.GroupInfo {
+			w.buf.Write(i.ToBytes())
+		}
+	}
+	w.WriteByte(pkt.VerifyType, 1)
+	w.WriteInt32(pkt.Filter, 2)
+	return w.Bytes()
+}
+
+func (pkt *PullGroupSeqParam) ToBytes() []byte {
+	w := NewJceWriter()
+	w.WriteInt64(pkt.GroupCode, 0)
+	w.WriteInt64(pkt.LastSeqId, 1)
+	return w.Bytes()
+}
+
+func (pkt *SvcRespParam) ToBytes() []byte {
+	w := NewJceWriter()
+	w.WriteInt32(pkt.PCStat, 0)
+	w.WriteInt32(pkt.IsSupportC2CRoamMsg, 1)
+	w.WriteInt32(pkt.IsSupportDataLine, 2)
+	w.WriteInt32(pkt.IsSupportPrintable, 3)
+	w.WriteInt32(pkt.IsSupportViewPCFile, 4)
+	w.WriteInt32(pkt.PcVersion, 5)
+	w.WriteInt64(pkt.RoamFlag, 6)
+	w.writeHead(9, 7)
+	if len(pkt.OnlineInfos) == 0 {
+		w.writeHead(12, 0) // w.WriteInt32(0, 0)
+	} else {
+		w.WriteInt32(int32(len(pkt.OnlineInfos)), 0)
+		for _, i := range pkt.OnlineInfos {
+			w.buf.Write(i.ToBytes())
+		}
+	}
+	w.WriteInt32(pkt.PCClientType, 8)
+	return w.Bytes()
+}
+
+func (pkt *RequestPushNotify) ToBytes() []byte {
+	w := NewJceWriter()
+	w.WriteInt64(pkt.Uin, 0)
+	w.WriteByte(pkt.Type, 1)
+	w.WriteString(pkt.Service, 2)
+	w.WriteString(pkt.Cmd, 3)
+	w.WriteBytes(pkt.NotifyCookie, 4)
+	w.WriteInt32(pkt.MsgType, 5)
+	w.WriteInt32(pkt.UserActive, 6)
+	w.WriteInt32(pkt.GeneralFlag, 7)
+	w.WriteInt64(pkt.BindedUin, 8)
+	return w.Bytes()
+}
+
+func (pkt *OnlineInfo) ToBytes() []byte {
+	w := NewJceWriter()
+	w.WriteInt32(pkt.InstanceId, 0)
+	w.WriteInt32(pkt.ClientType, 1)
+	w.WriteInt32(pkt.OnlineStatus, 2)
+	w.WriteInt32(pkt.PlatformId, 3)
+	w.WriteString(pkt.SubPlatform, 4)
+	w.WriteInt64(pkt.UClientType, 5)
+	return w.Bytes()
+}
+
+func (pkt *SvcReqMSFLoginNotify) ToBytes() []byte {
+	w := NewJceWriter()
+	w.WriteInt64(pkt.AppId, 0)
+	w.WriteByte(pkt.Status, 1)
+	w.WriteByte(pkt.Tablet, 2)
+	w.WriteInt64(pkt.Platform, 3)
+	w.WriteString(pkt.Title, 4)
+	w.WriteString(pkt.Info, 5)
+	w.WriteInt64(pkt.ProductType, 6)
+	w.WriteInt64(pkt.ClientType, 7)
+	w.writeHead(9, 8)
+	if len(pkt.InstanceList) == 0 {
+		w.writeHead(12, 0) // w.WriteInt32(0, 0)
+	} else {
+		w.WriteInt32(int32(len(pkt.InstanceList)), 0)
+		for _, i := range pkt.InstanceList {
+			w.buf.Write(i.ToBytes())
+		}
+	}
+	return w.Bytes()
+}
+
+func (pkt *InstanceInfo) ToBytes() []byte {
+	w := NewJceWriter()
+	w.WriteInt32(pkt.AppId, 0)
+	w.WriteByte(pkt.Tablet, 1)
+	w.WriteInt64(pkt.Platform, 2)
+	w.WriteInt64(pkt.ProductType, 3)
+	w.WriteInt64(pkt.ClientType, 4)
+	return w.Bytes()
+}
+
+func (pkt *PushMessageInfo) ToBytes() []byte {
+	w := NewJceWriter()
+	w.WriteInt64(pkt.FromUin, 0)
+	w.WriteInt64(pkt.MsgTime, 1)
+	w.WriteInt16(pkt.MsgType, 2)
+	w.WriteInt16(pkt.MsgSeq, 3)
+	w.WriteString(pkt.Msg, 4)
+	w.WriteInt32(pkt.RealMsgTime, 5)
+	w.WriteBytes(pkt.VMsg, 6)
+	w.WriteInt64(pkt.AppShareID, 7)
+	w.WriteBytes(pkt.MsgCookies, 8)
+	w.WriteBytes(pkt.AppShareCookie, 9)
+	w.WriteInt64(pkt.MsgUid, 10)
+	w.WriteInt64(pkt.LastChangeTime, 11)
+	w.WriteInt64(pkt.FromInstId, 14)
+	w.WriteBytes(pkt.RemarkOfSender, 15)
+	w.WriteString(pkt.FromMobile, 16)
+	w.WriteString(pkt.FromName, 17)
+	return w.Bytes()
+}
+
+func (pkt *SvcRespPushMsg) ToBytes() []byte {
+	w := NewJceWriter()
+	w.WriteInt64(pkt.Uin, 0)
+	w.writeHead(9, 1)
+	if len(pkt.DelInfos) == 0 {
+		w.writeHead(12, 0) // w.WriteInt32(0, 0)
+	} else {
+		w.WriteInt32(int32(len(pkt.DelInfos)), 0)
+		for _, i := range pkt.DelInfos {
+			w.buf.Write(i.ToBytes())
+		}
+	}
+	w.WriteInt32(pkt.Svrip, 2)
+	w.WriteBytes(pkt.PushToken, 3)
+	w.WriteInt32(pkt.ServiceType, 4)
+	return w.Bytes()
+}
+
+func (pkt *SvcReqGetDevLoginInfo) ToBytes() []byte {
+	w := NewJceWriter()
+	w.WriteBytes(pkt.Guid, 0)
+	w.WriteString(pkt.AppName, 1)
+	w.WriteInt64(pkt.LoginType, 2)
+	w.WriteInt64(pkt.Timestamp, 3)
+	w.WriteInt64(pkt.NextItemIndex, 4)
+	w.WriteInt64(pkt.RequireMax, 5)
+	w.WriteInt64(pkt.GetDevListType, 6)
+	return w.Bytes()
+}
+
+func (pkt *SvcDevLoginInfo) ToBytes() []byte {
+	w := NewJceWriter()
+	return w.Bytes()
+}
+
+func (pkt *DelMsgInfo) ToBytes() []byte {
+	w := NewJceWriter()
+	w.WriteInt64(pkt.FromUin, 0)
+	w.WriteInt64(pkt.MsgTime, 1)
+	w.WriteInt16(pkt.MsgSeq, 2)
+	w.WriteBytes(pkt.MsgCookies, 3)
+	w.WriteInt16(pkt.Cmd, 4)
+	w.WriteInt64(pkt.MsgType, 5)
+	w.WriteInt64(pkt.AppId, 6)
+	w.WriteInt64(pkt.SendTime, 7)
+	w.WriteInt32(pkt.SsoSeq, 8)
+	w.WriteInt32(pkt.SsoIp, 9)
+	w.WriteInt32(pkt.ClientIp, 10)
+	return w.Bytes()
+}
+
+func (pkt *FriendListRequest) ToBytes() []byte {
+	w := NewJceWriter()
+	w.WriteInt32(pkt.Reqtype, 0)
+	w.WriteByte(pkt.IfReflush, 1)
+	w.WriteInt64(pkt.Uin, 2)
+	w.WriteInt16(pkt.StartIndex, 3)
+	w.WriteInt16(pkt.FriendCount, 4)
+	w.WriteByte(pkt.GroupId, 5)
+	w.WriteByte(pkt.IfGetGroupInfo, 6)
+	w.WriteByte(pkt.GroupStartIndex, 7)
+	w.WriteByte(pkt.GroupCount, 8)
+	w.WriteByte(pkt.IfGetMSFGroup, 9)
+	w.WriteByte(pkt.IfShowTermType, 10)
+	w.WriteInt64(pkt.Version, 11)
+	w.WriteInt64Slice(pkt.UinList, 12)
+	w.WriteInt32(pkt.AppType, 13)
+	w.WriteByte(pkt.IfGetDOVId, 14)
+	w.WriteByte(pkt.IfGetBothFlag, 15)
+	w.WriteBytes(pkt.D50, 16)
+	w.WriteBytes(pkt.D6B, 17)
+	w.WriteInt64Slice(pkt.SnsTypeList, 18)
+	return w.Bytes()
+}
+
+func (pkt *FriendInfo) ToBytes() []byte {
+	w := NewJceWriter()
+	w.WriteInt64(pkt.FriendUin, 0)
+	w.WriteByte(pkt.GroupId, 1)
+	w.WriteInt16(pkt.FaceId, 2)
+	w.WriteString(pkt.Remark, 3)
+	w.WriteByte(pkt.QQType, 4)
+	w.WriteByte(pkt.Status, 5)
+	w.WriteByte(pkt.MemberLevel, 6)
+	w.WriteByte(pkt.IsMqqOnLine, 7)
+	w.WriteByte(pkt.QQOnlineState, 8)
+	w.WriteByte(pkt.IsIphoneOnline, 9)
+	w.WriteByte(pkt.DetailStatusFlag, 10)
+	w.WriteByte(pkt.QQOnlineStateV2, 11)
+	w.WriteString(pkt.ShowName, 12)
+	w.WriteByte(pkt.IsRemark, 13)
+	w.WriteString(pkt.Nick, 14)
+	w.WriteByte(pkt.SpecialFlag, 15)
+	w.WriteBytes(pkt.IMGroupID, 16)
+	w.WriteBytes(pkt.MSFGroupID, 17)
+	w.WriteInt32(pkt.TermType, 18)
+	w.WriteByte(pkt.Network, 20)
+	w.WriteBytes(pkt.Ring, 21)
+	w.WriteInt64(pkt.AbiFlag, 22)
+	w.WriteInt64(pkt.FaceAddonId, 23)
+	w.WriteInt32(pkt.NetworkType, 24)
+	w.WriteInt64(pkt.VipFont, 25)
+	w.WriteInt32(pkt.IconType, 26)
+	w.WriteString(pkt.TermDesc, 27)
+	w.WriteInt64(pkt.ColorRing, 28)
+	w.WriteByte(pkt.ApolloFlag, 29)
+	w.WriteInt64(pkt.ApolloTimestamp, 30)
+	w.WriteByte(pkt.Sex, 31)
+	w.WriteInt64(pkt.FounderFont, 32)
+	w.WriteString(pkt.EimId, 33)
+	w.WriteString(pkt.EimMobile, 34)
+	w.WriteByte(pkt.OlympicTorch, 35)
+	w.WriteInt64(pkt.ApolloSignTime, 36)
+	w.WriteInt64(pkt.LaviUin, 37)
+	w.WriteInt64(pkt.TagUpdateTime, 38)
+	w.WriteInt64(pkt.GameLastLoginTime, 39)
+	w.WriteInt64(pkt.GameAppId, 40)
+	w.WriteBytes(pkt.CardID, 41)
+	w.WriteInt64(pkt.BitSet, 42)
+	w.WriteByte(pkt.KingOfGloryFlag, 43)
+	w.WriteInt64(pkt.KingOfGloryRank, 44)
+	w.WriteString(pkt.MasterUin, 45)
+	w.WriteInt64(pkt.LastMedalUpdateTime, 46)
+	w.WriteInt64(pkt.FaceStoreId, 47)
+	w.WriteInt64(pkt.FontEffect, 48)
+	w.WriteString(pkt.DOVId, 49)
+	w.WriteInt64(pkt.BothFlag, 50)
+	w.WriteByte(pkt.CentiShow3DFlag, 51)
+	w.WriteBytes(pkt.IntimateInfo, 52)
+	w.WriteByte(pkt.ShowNameplate, 53)
+	w.WriteByte(pkt.NewLoverDiamondFlag, 54)
+	w.WriteBytes(pkt.ExtSnsFrdData, 55)
+	w.WriteBytes(pkt.MutualMarkData, 56)
+	return w.Bytes()
+}
+
+func (pkt *TroopListRequest) ToBytes() []byte {
+	w := NewJceWriter()
+	w.WriteInt64(pkt.Uin, 0)
+	w.WriteByte(pkt.GetMSFMsgFlag, 1)
+	w.WriteBytes(pkt.Cookies, 2)
+	w.WriteInt64Slice(pkt.GroupInfo, 3)
+	w.WriteByte(pkt.GroupFlagExt, 4)
+	w.WriteInt32(pkt.Version, 5)
+	w.WriteInt64(pkt.CompanyId, 6)
+	w.WriteInt64(pkt.VersionNum, 7)
+	w.WriteByte(pkt.GetLongGroupName, 8)
+	return w.Bytes()
+}
+
+func (pkt *TroopNumber) ToBytes() []byte {
+	w := NewJceWriter()
+	w.WriteInt64(pkt.GroupUin, 0)
+	w.WriteInt64(pkt.GroupCode, 1)
+	w.WriteByte(pkt.Flag, 2)
+	w.WriteInt64(pkt.GroupInfoSeq, 3)
+	w.WriteString(pkt.GroupName, 4)
+	w.WriteString(pkt.GroupMemo, 5)
+	w.WriteInt64(pkt.GroupFlagExt, 6)
+	w.WriteInt64(pkt.GroupRankSeq, 7)
+	w.WriteInt64(pkt.CertificationType, 8)
+	w.WriteInt64(pkt.ShutUpTimestamp, 9)
+	w.WriteInt64(pkt.MyShutUpTimestamp, 10)
+	w.WriteInt64(pkt.CmdUinUinFlag, 11)
+	w.WriteInt64(pkt.AdditionalFlag, 12)
+	w.WriteInt64(pkt.GroupTypeFlag, 13)
+	w.WriteInt64(pkt.GroupSecType, 14)
+	w.WriteInt64(pkt.GroupSecTypeInfo, 15)
+	w.WriteInt64(pkt.GroupClassExt, 16)
+	w.WriteInt64(pkt.AppPrivilegeFlag, 17)
+	w.WriteInt64(pkt.SubscriptionUin, 18)
+	w.WriteInt64(pkt.MemberNum, 19)
+	w.WriteInt64(pkt.MemberNumSeq, 20)
+	w.WriteInt64(pkt.MemberCardSeq, 21)
+	w.WriteInt64(pkt.GroupFlagExt3, 22)
+	w.WriteInt64(pkt.GroupOwnerUin, 23)
+	w.WriteByte(pkt.IsConfGroup, 24)
+	w.WriteByte(pkt.IsModifyConfGroupFace, 25)
+	w.WriteByte(pkt.IsModifyConfGroupName, 26)
+	w.WriteInt64(pkt.CmdUinJoinTime, 27)
+	w.WriteInt64(pkt.CompanyId, 28)
+	w.WriteInt64(pkt.MaxGroupMemberNum, 29)
+	w.WriteInt64(pkt.CmdUinGroupMask, 30)
+	w.WriteInt64(pkt.GuildAppId, 31)
+	w.WriteInt64(pkt.GuildSubType, 32)
+	w.WriteInt64(pkt.CmdUinRingtoneID, 33)
+	w.WriteInt64(pkt.CmdUinFlagEx2, 34)
+	return w.Bytes()
+}
+
+func (pkt *TroopMemberListRequest) ToBytes() []byte {
+	w := NewJceWriter()
+	w.WriteInt64(pkt.Uin, 0)
+	w.WriteInt64(pkt.GroupCode, 1)
+	w.WriteInt64(pkt.NextUin, 2)
+	w.WriteInt64(pkt.GroupUin, 3)
+	w.WriteInt64(pkt.Version, 4)
+	w.WriteInt64(pkt.ReqType, 5)
+	w.WriteInt64(pkt.GetListAppointTime, 6)
+	w.WriteByte(pkt.RichCardNameVer, 7)
+	return w.Bytes()
+}
+
+func (pkt *TroopMemberInfo) ToBytes() []byte {
+	w := NewJceWriter()
+	w.WriteInt64(pkt.MemberUin, 0)
+	w.WriteInt16(pkt.FaceId, 1)
+	w.WriteByte(pkt.Age, 2)
+	w.WriteByte(pkt.Gender, 3)
+	w.WriteString(pkt.Nick, 4)
+	w.WriteByte(pkt.Status, 5)
+	w.WriteString(pkt.ShowName, 6)
+	w.WriteString(pkt.Name, 8)
+	w.WriteString(pkt.Memo, 12)
+	w.WriteString(pkt.AutoRemark, 13)
+	w.WriteInt64(pkt.MemberLevel, 14)
+	w.WriteInt64(pkt.JoinTime, 15)
+	w.WriteInt64(pkt.LastSpeakTime, 16)
+	w.WriteInt64(pkt.CreditLevel, 17)
+	w.WriteInt64(pkt.Flag, 18)
+	w.WriteInt64(pkt.FlagExt, 19)
+	w.WriteInt64(pkt.Point, 20)
+	w.WriteByte(pkt.Concerned, 21)
+	w.WriteByte(pkt.Shielded, 22)
+	w.WriteString(pkt.SpecialTitle, 23)
+	w.WriteInt64(pkt.SpecialTitleExpireTime, 24)
+	w.WriteString(pkt.Job, 25)
+	w.WriteByte(pkt.ApolloFlag, 26)
+	w.WriteInt64(pkt.ApolloTimestamp, 27)
+	w.WriteInt64(pkt.GlobalGroupLevel, 28)
+	w.WriteInt64(pkt.TitleId, 29)
+	w.WriteInt64(pkt.ShutUpTimestap, 30)
+	w.WriteInt64(pkt.GlobalGroupPoint, 31)
+	w.WriteByte(pkt.RichCardNameVer, 33)
+	w.WriteInt64(pkt.VipType, 34)
+	w.WriteInt64(pkt.VipLevel, 35)
+	w.WriteInt64(pkt.BigClubLevel, 36)
+	w.WriteInt64(pkt.BigClubFlag, 37)
+	w.WriteInt64(pkt.Nameplate, 38)
+	w.WriteBytes(pkt.GroupHonor, 39)
+	return w.Bytes()
+}
+
+func (pkt *ModifyGroupCardRequest) ToBytes() []byte {
+	w := NewJceWriter()
+	w.WriteInt64(pkt.Zero, 0)
+	w.WriteInt64(pkt.GroupCode, 1)
+	w.WriteInt64(pkt.NewSeq, 2)
+	w.writeHead(9, 3)
+	if len(pkt.UinInfo) == 0 {
+		w.writeHead(12, 0) // w.WriteInt32(0, 0)
+	} else {
+		w.WriteInt32(int32(len(pkt.UinInfo)), 0)
+		for _, i := range pkt.UinInfo {
+			w.buf.Write(i.ToBytes())
+		}
+	}
+	return w.Bytes()
+}
+
+func (pkt *UinInfo) ToBytes() []byte {
+	w := NewJceWriter()
+	w.WriteInt64(pkt.Uin, 0)
+	w.WriteInt64(pkt.Flag, 1)
+	w.WriteString(pkt.Name, 2)
+	w.WriteByte(pkt.Gender, 3)
+	w.WriteString(pkt.Phone, 4)
+	w.WriteString(pkt.Email, 5)
+	w.WriteString(pkt.Remark, 6)
+	return w.Bytes()
+}
+
+func (pkt *SummaryCardReq) ToBytes() []byte {
+	w := NewJceWriter()
+	w.WriteInt64(pkt.Uin, 0)
+	w.WriteInt32(pkt.ComeFrom, 1)
+	w.WriteInt64(pkt.QzoneFeedTimestamp, 2)
+	w.WriteByte(pkt.IsFriend, 3)
+	w.WriteInt64(pkt.GroupCode, 4)
+	w.WriteInt64(pkt.GroupUin, 5)
+	w.WriteInt64(pkt.GetControl, 8)
+	w.WriteInt32(pkt.AddFriendSource, 9)
+	w.WriteBytes(pkt.SecureSig, 10)
+	w.WriteBytesSlice(pkt.ReqServices, 14)
+	w.WriteInt64(pkt.TinyId, 15)
+	w.WriteInt64(pkt.LikeSource, 16)
+	w.WriteByte(pkt.ReqMedalWallInfo, 18)
+	w.WriteInt64Slice(pkt.Req0x5ebFieldId, 19)
+	w.WriteByte(pkt.ReqNearbyGodInfo, 20)
+	w.WriteByte(pkt.ReqExtendCard, 22)
+	return w.Bytes()
+}
+
+func (pkt *SummaryCardReqSearch) ToBytes() []byte {
+	w := NewJceWriter()
+	w.WriteString(pkt.Keyword, 0)
+	w.WriteString(pkt.CountryCode, 1)
+	w.WriteInt32(pkt.Version, 2)
+	w.WriteBytesSlice(pkt.ReqServices, 3)
+	return w.Bytes()
+}
+
+func (pkt *DelFriendReq) ToBytes() []byte {
+	w := NewJceWriter()
+	w.WriteInt64(pkt.Uin, 0)
+	w.WriteInt64(pkt.DelUin, 1)
+	w.WriteByte(pkt.DelType, 2)
+	w.WriteInt32(pkt.Version, 3)
+	return w.Bytes()
+}
diff --git a/binary/jce/writer.go b/binary/jce/writer.go
index 6159d1be..d5d803c8 100644
--- a/binary/jce/writer.go
+++ b/binary/jce/writer.go
@@ -3,9 +3,7 @@ package jce
 import (
 	"bytes"
 	goBinary "encoding/binary"
-	"reflect"
-	"strconv"
-	"sync"
+	"math"
 )
 
 type JceWriter struct {
@@ -16,18 +14,16 @@ func NewJceWriter() *JceWriter {
 	return &JceWriter{buf: new(bytes.Buffer)}
 }
 
-func (w *JceWriter) writeHead(t byte, tag int) {
-	if tag < 15 {
-		b := byte(tag<<4) | t
-		w.buf.WriteByte(b)
-	} else if tag < 256 {
-		b := 0xF0 | t
-		w.buf.WriteByte(b)
-		w.buf.WriteByte(byte(tag))
+func (w *JceWriter) writeHead(t, tag byte) {
+	if tag < 0xF {
+		w.buf.WriteByte(tag<<4 | t)
+	} else {
+		w.buf.WriteByte(0xF0 | t)
+		w.buf.WriteByte(tag)
 	}
 }
 
-func (w *JceWriter) WriteByte(b byte, tag int) *JceWriter {
+func (w *JceWriter) WriteByte(b, tag byte) *JceWriter {
 	if b == 0 {
 		w.writeHead(12, tag)
 	} else {
@@ -37,7 +33,7 @@ func (w *JceWriter) WriteByte(b byte, tag int) *JceWriter {
 	return w
 }
 
-func (w *JceWriter) WriteBool(b bool, tag int) {
+func (w *JceWriter) WriteBool(b bool, tag byte) {
 	var by byte = 0
 	if b {
 		by = 1
@@ -45,7 +41,7 @@ func (w *JceWriter) WriteBool(b bool, tag int) {
 	w.WriteByte(by, tag)
 }
 
-func (w *JceWriter) WriteInt16(n int16, tag int) {
+func (w *JceWriter) WriteInt16(n int16, tag byte) {
 	switch {
 	case n >= -128 && n <= 127:
 		w.WriteByte(byte(n), tag)
@@ -55,14 +51,14 @@ func (w *JceWriter) WriteInt16(n int16, tag int) {
 }
 
 //go:nosplit
-func (w *JceWriter) putInt16(n int16, tag int) {
+func (w *JceWriter) putInt16(n int16, tag byte) {
 	w.writeHead(1, tag)
 	var buf [2]byte
 	goBinary.BigEndian.PutUint16(buf[:], uint16(n))
 	w.buf.Write(buf[:])
 }
 
-func (w *JceWriter) WriteInt32(n int32, tag int) *JceWriter {
+func (w *JceWriter) WriteInt32(n int32, tag byte) *JceWriter {
 	switch {
 	case n >= -128 && n <= 127:
 		w.WriteByte(byte(n), tag)
@@ -75,14 +71,14 @@ func (w *JceWriter) WriteInt32(n int32, tag int) *JceWriter {
 }
 
 //go:nosplit
-func (w *JceWriter) putInt32(n int32, tag int) {
+func (w *JceWriter) putInt32(n int32, tag byte) {
 	w.writeHead(2, tag)
 	var buf [4]byte
 	goBinary.BigEndian.PutUint32(buf[:], uint32(n))
 	w.buf.Write(buf[:])
 }
 
-func (w *JceWriter) WriteInt64(n int64, tag int) *JceWriter {
+func (w *JceWriter) WriteInt64(n int64, tag byte) *JceWriter {
 	switch {
 	case n >= -128 && n <= 127:
 		w.WriteByte(byte(n), tag)
@@ -97,49 +93,56 @@ func (w *JceWriter) WriteInt64(n int64, tag int) *JceWriter {
 }
 
 //go:nosplit
-func (w *JceWriter) putInt64(n int64, tag int) {
+func (w *JceWriter) putInt64(n int64, tag byte) {
 	w.writeHead(3, tag)
 	var buf [8]byte
 	goBinary.BigEndian.PutUint64(buf[:], uint64(n))
 	w.buf.Write(buf[:])
 }
 
-func (w *JceWriter) WriteFloat32(n float32, tag int) {
+//go:nosplit
+func (w *JceWriter) WriteFloat32(n float32, tag byte) {
 	w.writeHead(4, tag)
-	_ = goBinary.Write(w.buf, goBinary.BigEndian, n)
+	var buf [4]byte
+	goBinary.BigEndian.PutUint32(buf[:], math.Float32bits(n))
+	w.buf.Write(buf[:])
 }
 
-func (w *JceWriter) WriteFloat64(n float64, tag int) {
+//go:nosplit
+func (w *JceWriter) WriteFloat64(n float64, tag byte) {
 	w.writeHead(5, tag)
-	_ = goBinary.Write(w.buf, goBinary.BigEndian, n)
+	var buf [8]byte
+	goBinary.BigEndian.PutUint64(buf[:], math.Float64bits(n))
+	w.buf.Write(buf[:])
 }
 
-func (w *JceWriter) WriteString(s string, tag int) *JceWriter {
-	by := []byte(s)
-	if len(by) > 255 {
+func (w *JceWriter) WriteString(s string, tag byte) *JceWriter {
+	if len(s) > 255 {
 		w.writeHead(7, tag)
-		_ = goBinary.Write(w.buf, goBinary.BigEndian, int32(len(by)))
-		w.buf.Write(by)
+		var buf [4]byte
+		goBinary.BigEndian.PutUint32(buf[:], uint32(len(s)))
+		w.buf.Write(buf[:])
+		w.buf.WriteString(s)
 		return w
 	}
 	w.writeHead(6, tag)
-	w.buf.WriteByte(byte(len(by)))
-	w.buf.Write(by)
+	w.buf.WriteByte(byte(len(s)))
+	w.buf.WriteString(s)
 	return w
 }
 
-func (w *JceWriter) WriteBytes(l []byte, tag int) *JceWriter {
+func (w *JceWriter) WriteBytes(l []byte, tag byte) *JceWriter {
 	w.writeHead(13, tag)
-	w.writeHead(0, 0)
+	w.buf.WriteByte(0) // w.writeHead(0, 0)
 	w.WriteInt32(int32(len(l)), 0)
 	w.buf.Write(l)
 	return w
 }
 
-func (w *JceWriter) WriteInt64Slice(l []int64, tag int) {
+func (w *JceWriter) WriteInt64Slice(l []int64, tag byte) {
 	w.writeHead(9, tag)
 	if len(l) == 0 {
-		w.WriteInt32(0, 0)
+		w.writeHead(12, 0) // w.WriteInt32(0, 0)
 		return
 	}
 	w.WriteInt32(int32(len(l)), 0)
@@ -148,190 +151,58 @@ func (w *JceWriter) WriteInt64Slice(l []int64, tag int) {
 	}
 }
 
-func (w *JceWriter) WriteSlice(i interface{}, tag int) {
-	va := reflect.ValueOf(i)
-	if va.Kind() != reflect.Slice {
-		panic("JceWriter.WriteSlice: not a slice")
-	}
-	w.writeSlice(va, tag)
-}
-
-func (w *JceWriter) writeSlice(slice reflect.Value, tag int) {
-	if slice.Kind() != reflect.Slice {
-		return
-	}
-	w.writeHead(9, tag)
-	if slice.Len() == 0 {
-		w.WriteInt32(0, 0)
-		return
-	}
-	w.WriteInt32(int32(slice.Len()), 0)
-	for i := 0; i < slice.Len(); i++ {
-		v := slice.Index(i)
-		w.writeObject(v, 0)
-	}
-}
-
-func (w *JceWriter) WriteJceStructSlice(l []IJceStruct, tag int) {
+func (w *JceWriter) WriteBytesSlice(l [][]byte, tag byte) {
 	w.writeHead(9, tag)
 	if len(l) == 0 {
-		w.WriteInt32(0, 0)
+		w.writeHead(12, 0) // w.WriteInt32(0, 0)
 		return
 	}
 	w.WriteInt32(int32(len(l)), 0)
 	for _, v := range l {
-		w.WriteJceStruct(v, 0)
+		w.WriteBytes(v, 0)
 	}
 }
 
-func (w *JceWriter) WriteMap(m interface{}, tag int) {
-	va := reflect.ValueOf(m)
-	if va.Kind() != reflect.Map {
-		panic("JceWriter.WriteMap: not a map")
-	}
-	w.writeMap(va, tag)
-}
-
-func (w *JceWriter) writeMap(m reflect.Value, tag int) {
-	if m.IsNil() {
+func (w *JceWriter) writeMapStrStr(m map[string]string, tag byte) {
+	if m == nil {
 		w.writeHead(8, tag)
-		w.WriteInt32(0, 0)
-		return
-	}
-	if m.Kind() != reflect.Map {
+		w.writeHead(12, 0) // w.WriteInt32(0, 0)
 		return
 	}
 	w.writeHead(8, tag)
-	w.WriteInt32(int32(m.Len()), 0)
-	iter := m.MapRange()
-	for iter.Next() {
-		w.writeObject(iter.Key(), 0)
-		w.writeObject(iter.Value(), 1)
+	w.WriteInt32(int32(len(m)), 0)
+	for k, v := range m {
+		w.WriteString(k, 0)
+		w.WriteString(v, 1)
 	}
 }
 
-func (w *JceWriter) WriteObject(i interface{}, tag int) {
-	t := reflect.TypeOf(i)
-	if t.Kind() == reflect.Map {
-		w.WriteMap(i, tag)
+func (w *JceWriter) writeMapStrBytes(m map[string][]byte, tag byte) {
+	if m == nil {
+		w.writeHead(8, tag)
+		w.writeHead(12, 0) // w.WriteInt32(0, 0)
 		return
 	}
-	if t.Kind() == reflect.Slice {
-		if b, ok := i.([]byte); ok {
-			w.WriteBytes(b, tag)
-			return
-		}
-		w.WriteSlice(i, tag)
-		return
-	}
-	switch o := i.(type) {
-	case byte:
-		w.WriteByte(o, tag)
-	case bool:
-		w.WriteBool(o, tag)
-	case int16:
-		w.WriteInt16(o, tag)
-	case int32:
-		w.WriteInt32(o, tag)
-	case int64:
-		w.WriteInt64(o, tag)
-	case float32:
-		w.WriteFloat32(o, tag)
-	case float64:
-		w.WriteFloat64(o, tag)
-	case string:
-		w.WriteString(o, tag)
-	case IJceStruct:
-		w.WriteJceStruct(o, tag)
+	w.writeHead(8, tag)
+	w.WriteInt32(int32(len(m)), 0)
+	for k, v := range m {
+		w.WriteString(k, 0)
+		w.WriteBytes(v, 1)
 	}
 }
 
-func (w *JceWriter) writeObject(v reflect.Value, tag int) {
-	k := v.Kind()
-	if k == reflect.Map {
-		w.writeMap(v, tag)
+func (w *JceWriter) writeMapStrMapStrBytes(m map[string]map[string][]byte, tag byte) {
+	if m == nil {
+		w.writeHead(8, tag)
+		w.writeHead(12, 0) // w.WriteInt32(0, 0)
 		return
 	}
-	if k == reflect.Slice {
-		if v.Type().Elem().Kind() == reflect.Uint8 {
-			w.WriteBytes(v.Bytes(), tag)
-			return
-		}
-		w.writeSlice(v, tag)
-		return
+	w.writeHead(8, tag)
+	w.WriteInt32(int32(len(m)), 0)
+	for k, v := range m {
+		w.WriteString(k, 0)
+		w.writeMapStrBytes(v, 1)
 	}
-	switch k {
-	case reflect.Uint8, reflect.Int8:
-		w.WriteByte(*(*byte)(pointerOf(v)), tag)
-	case reflect.Uint16, reflect.Int16:
-		w.WriteInt16(*(*int16)(pointerOf(v)), tag)
-	case reflect.Uint32, reflect.Int32:
-		w.WriteInt32(*(*int32)(pointerOf(v)), tag)
-	case reflect.Uint64, reflect.Int64:
-		w.WriteInt64(*(*int64)(pointerOf(v)), tag)
-	case reflect.String:
-		w.WriteString(v.String(), tag)
-	default:
-		switch o := v.Interface().(type) {
-		case IJceStruct:
-			w.WriteJceStruct(o, tag)
-		case float32:
-			w.WriteFloat32(o, tag)
-		case float64:
-			w.WriteFloat64(o, tag)
-		}
-	}
-}
-
-type decoder struct {
-	index int
-	id    int
-}
-
-var decoderCache = sync.Map{}
-
-// WriteJceStructRaw 写入 Jce 结构体
-func (w *JceWriter) WriteJceStructRaw(s interface{}) {
-	t := reflect.TypeOf(s)
-	reflect.ValueOf(s).Interface()
-	if t.Kind() != reflect.Ptr {
-		return
-	}
-	t = t.Elem()
-	v := reflect.ValueOf(s).Elem()
-	var jceDec []decoder
-	dec, ok := decoderCache.Load(t)
-	if ok { // 从缓存中加载
-		jceDec = dec.([]decoder)
-	} else { // 初次反射
-		jceDec = make([]decoder, 0, t.NumField())
-		for i := 0; i < t.NumField(); i++ {
-			field := t.Field(i)
-			strId := field.Tag.Get("jceId")
-			if strId == "" {
-				continue
-			}
-			id, err := strconv.Atoi(strId)
-			if err != nil {
-				continue
-			}
-			jceDec = append(jceDec, decoder{
-				index: i,
-				id:    id,
-			})
-		}
-		decoderCache.Store(t, jceDec) // 存入缓存
-	}
-	for _, dec := range jceDec {
-		obj := v.Field(dec.index)
-		w.writeObject(obj, dec.id)
-	}
-}
-
-func (w *JceWriter) WriteJceStruct(s IJceStruct, tag int) {
-	w.writeHead(10, tag)
-	w.WriteJceStructRaw(s)
-	w.writeHead(11, 0)
 }
 
 func (w *JceWriter) Bytes() []byte {
diff --git a/binary/jce/writer_test.go b/binary/jce/writer_test.go
index 1eafdd00..2a2d85bb 100644
--- a/binary/jce/writer_test.go
+++ b/binary/jce/writer_test.go
@@ -12,7 +12,7 @@ func BenchmarkJceWriter_WriteMap(b *testing.B) {
 	var x = globalBytes
 	for i := 0; i < b.N; i++ {
 		w := NewJceWriter()
-		w.WriteMap(req.Map, 0)
+		w.writeMapStrMapStrBytes(req.Map, 0)
 		x = w.Bytes()
 	}
 	globalBytes = x
@@ -41,18 +41,14 @@ var reqPacket1 = &RequestPacket{
 func BenchmarkJceWriter_WriteJceStructRaw(b *testing.B) {
 	var x = globalBytes
 	for i := 0; i < b.N; i++ {
-		w := NewJceWriter()
-		w.WriteJceStructRaw(reqPacket1)
-		x = w.Bytes()
+		_ = reqPacket1.ToBytes()
 	}
 	globalBytes = x
 	b.SetBytes(int64(len(globalBytes)))
 }
 
 func TestJceWriter_WriteJceStructRaw(t *testing.T) {
-	w := NewJceWriter()
-	w.WriteJceStructRaw(reqPacket1)
-	r := NewJceReader(w.Bytes())
+	r := NewJceReader(reqPacket1.ToBytes())
 	var reqPacket2 RequestPacket
 	reqPacket2.ReadFrom(r)
 	assert.Equal(t, reqPacket1, &reqPacket2)