diff --git a/client/entities.go b/client/entities.go
index 402b81dd..66c82bd3 100644
--- a/client/entities.go
+++ b/client/entities.go
@@ -1,9 +1,6 @@
 package client
 
 import (
-	"strings"
-	"sync"
-
 	"github.com/Mrs4s/MiraiGo/binary/jce"
 	"github.com/Mrs4s/MiraiGo/message"
 	"github.com/pkg/errors"
@@ -65,35 +62,6 @@ type (
 		List       []*FriendInfo
 	}
 
-	GroupInfo struct {
-		Uin            int64
-		Code           int64
-		Name           string
-		Memo           string
-		OwnerUin       int64
-		MemberCount    uint16
-		MaxMemberCount uint16
-		Members        []*GroupMemberInfo
-
-		client     *QQClient
-		lastMsgSeq int64
-		lock       sync.RWMutex
-	}
-
-	GroupMemberInfo struct {
-		Group                  *GroupInfo
-		Uin                    int64
-		Gender                 byte
-		Nickname               string
-		CardName               string
-		Level                  uint16
-		JoinTime               int64
-		LastSpeakTime          int64
-		SpecialTitle           string
-		SpecialTitleExpireTime int64
-		Permission             MemberPermission
-	}
-
 	GroupMuteEvent struct {
 		GroupCode   int64
 		OperatorUin int64
@@ -263,145 +231,6 @@ const (
 	MacOS        ClientProtocol = 4
 )
 
-func (g *GroupInfo) UpdateName(newName string) {
-	if g.AdministratorOrOwner() && newName != "" && strings.Count(newName, "") <= 20 {
-		g.client.updateGroupName(g.Code, newName)
-		g.Name = newName
-	}
-}
-
-func (g *GroupInfo) UpdateMemo(newMemo string) {
-	if g.AdministratorOrOwner() {
-		g.client.updateGroupMemo(g.Code, newMemo)
-		g.Memo = newMemo
-	}
-}
-
-func (g *GroupInfo) UpdateGroupHeadPortrait(img []byte) {
-	if g.AdministratorOrOwner() {
-		_ = g.client.uploadGroupHeadPortrait(g.Uin, img)
-	}
-}
-
-func (g *GroupInfo) MuteAll(mute bool) {
-	if g.AdministratorOrOwner() {
-		g.client.groupMuteAll(g.Code, mute)
-	}
-}
-
-func (g *GroupInfo) Quit() {
-	if g.SelfPermission() != Owner {
-		g.client.quitGroup(g.Code)
-	}
-}
-
-func (g *GroupInfo) SelfPermission() MemberPermission {
-	return g.FindMember(g.client.Uin).Permission
-}
-
-func (g *GroupInfo) AdministratorOrOwner() bool {
-	return g.SelfPermission() == Administrator || g.SelfPermission() == Owner
-}
-
-func (g *GroupInfo) FindMember(uin int64) *GroupMemberInfo {
-	r := g.Read(func(info *GroupInfo) interface{} {
-		return info.FindMemberWithoutLock(uin)
-	})
-	if r == nil {
-		return nil
-	}
-	return r.(*GroupMemberInfo)
-}
-
-func (g *GroupInfo) FindMemberWithoutLock(uin int64) *GroupMemberInfo {
-	for _, m := range g.Members {
-		f := m
-		if f.Uin == uin {
-			return f
-		}
-	}
-	return nil
-}
-
-func (g *GroupInfo) Update(f func(*GroupInfo)) {
-	g.lock.Lock()
-	defer g.lock.Unlock()
-	f(g)
-}
-
-func (g *GroupInfo) Read(f func(*GroupInfo) interface{}) interface{} {
-	g.lock.RLock()
-	defer g.lock.RUnlock()
-	return f(g)
-}
-
-func (m *GroupMemberInfo) DisplayName() string {
-	if m.CardName == "" {
-		return m.Nickname
-	}
-	return m.CardName
-}
-
-func (m *GroupMemberInfo) EditCard(card string) {
-	if m.CardChangable() && len(card) <= 60 {
-		m.Group.client.editMemberCard(m.Group.Code, m.Uin, card)
-		m.CardName = card
-	}
-}
-
-func (m *GroupMemberInfo) Poke() {
-	m.Group.client.sendGroupPoke(m.Group.Code, m.Uin)
-}
-
-func (m *GroupMemberInfo) SetAdmin(flag bool) {
-	if m.Group.OwnerUin == m.Group.client.Uin {
-		m.Group.client.setGroupAdmin(m.Group.Code, m.Uin, flag)
-	}
-}
-
-func (m *GroupMemberInfo) EditSpecialTitle(title string) {
-	if m.Group.SelfPermission() == Owner && len(title) <= 18 {
-		m.Group.client.editMemberSpecialTitle(m.Group.Code, m.Uin, title)
-		m.SpecialTitle = title
-	}
-}
-
-func (m *GroupMemberInfo) Kick(msg string, block bool) {
-	if m.Uin != m.Group.client.Uin && m.Manageable() {
-		m.Group.client.kickGroupMember(m.Group.Code, m.Uin, msg, block)
-	}
-}
-
-func (m *GroupMemberInfo) Mute(time uint32) {
-	if m.Uin != m.Group.client.Uin && m.Manageable() {
-		if time < 2592000 {
-			m.Group.client.groupMute(m.Group.Code, m.Uin, time)
-		}
-	}
-}
-
-func (m *GroupMemberInfo) Manageable() bool {
-	if m.Uin == m.Group.client.Uin {
-		return true
-	}
-	self := m.Group.SelfPermission()
-	if self == Member || m.Permission == Owner {
-		return false
-	}
-	return m.Permission != Administrator || self == Owner
-}
-
-func (m *GroupMemberInfo) CardChangable() bool {
-	if m.Uin == m.Group.client.Uin {
-		return true
-	}
-	self := m.Group.SelfPermission()
-	if self == Member {
-		return false
-	}
-	return m.Permission != Owner
-}
-
 func (r *UserJoinGroupRequest) Accept() {
 	r.client.SolveGroupJoinRequest(r, true, false, "")
 }
diff --git a/client/group_info.go b/client/group_info.go
index 7a6b929d..f82c5220 100644
--- a/client/group_info.go
+++ b/client/group_info.go
@@ -7,6 +7,39 @@ import (
 	"github.com/Mrs4s/MiraiGo/protocol/packets"
 	"github.com/pkg/errors"
 	"google.golang.org/protobuf/proto"
+	"strings"
+	"sync"
+)
+
+type (
+	GroupInfo struct {
+		Uin            int64
+		Code           int64
+		Name           string
+		Memo           string
+		OwnerUin       int64
+		MemberCount    uint16
+		MaxMemberCount uint16
+		Members        []*GroupMemberInfo
+
+		client     *QQClient
+		lastMsgSeq int64
+		lock       sync.RWMutex
+	}
+
+	GroupMemberInfo struct {
+		Group                  *GroupInfo
+		Uin                    int64
+		Gender                 byte
+		Nickname               string
+		CardName               string
+		Level                  uint16
+		JoinTime               int64
+		LastSpeakTime          int64
+		SpecialTitle           string
+		SpecialTitleExpireTime int64
+		Permission             MemberPermission
+	}
 )
 
 func init() {
@@ -151,3 +184,142 @@ func decodeGroupInfoResponse(c *QQClient, _ uint16, payload []byte) (interface{}
 		client:         c,
 	}, nil
 }
+
+func (g *GroupInfo) UpdateName(newName string) {
+	if g.AdministratorOrOwner() && newName != "" && strings.Count(newName, "") <= 20 {
+		g.client.updateGroupName(g.Code, newName)
+		g.Name = newName
+	}
+}
+
+func (g *GroupInfo) UpdateMemo(newMemo string) {
+	if g.AdministratorOrOwner() {
+		g.client.updateGroupMemo(g.Code, newMemo)
+		g.Memo = newMemo
+	}
+}
+
+func (g *GroupInfo) UpdateGroupHeadPortrait(img []byte) {
+	if g.AdministratorOrOwner() {
+		_ = g.client.uploadGroupHeadPortrait(g.Uin, img)
+	}
+}
+
+func (g *GroupInfo) MuteAll(mute bool) {
+	if g.AdministratorOrOwner() {
+		g.client.groupMuteAll(g.Code, mute)
+	}
+}
+
+func (g *GroupInfo) Quit() {
+	if g.SelfPermission() != Owner {
+		g.client.quitGroup(g.Code)
+	}
+}
+
+func (g *GroupInfo) SelfPermission() MemberPermission {
+	return g.FindMember(g.client.Uin).Permission
+}
+
+func (g *GroupInfo) AdministratorOrOwner() bool {
+	return g.SelfPermission() == Administrator || g.SelfPermission() == Owner
+}
+
+func (g *GroupInfo) FindMember(uin int64) *GroupMemberInfo {
+	r := g.Read(func(info *GroupInfo) interface{} {
+		return info.FindMemberWithoutLock(uin)
+	})
+	if r == nil {
+		return nil
+	}
+	return r.(*GroupMemberInfo)
+}
+
+func (g *GroupInfo) FindMemberWithoutLock(uin int64) *GroupMemberInfo {
+	for _, m := range g.Members {
+		f := m
+		if f.Uin == uin {
+			return f
+		}
+	}
+	return nil
+}
+
+func (g *GroupInfo) Update(f func(*GroupInfo)) {
+	g.lock.Lock()
+	defer g.lock.Unlock()
+	f(g)
+}
+
+func (g *GroupInfo) Read(f func(*GroupInfo) interface{}) interface{} {
+	g.lock.RLock()
+	defer g.lock.RUnlock()
+	return f(g)
+}
+
+func (m *GroupMemberInfo) DisplayName() string {
+	if m.CardName == "" {
+		return m.Nickname
+	}
+	return m.CardName
+}
+
+func (m *GroupMemberInfo) EditCard(card string) {
+	if m.CardChangable() && len(card) <= 60 {
+		m.Group.client.editMemberCard(m.Group.Code, m.Uin, card)
+		m.CardName = card
+	}
+}
+
+func (m *GroupMemberInfo) Poke() {
+	m.Group.client.sendGroupPoke(m.Group.Code, m.Uin)
+}
+
+func (m *GroupMemberInfo) SetAdmin(flag bool) {
+	if m.Group.OwnerUin == m.Group.client.Uin {
+		m.Group.client.setGroupAdmin(m.Group.Code, m.Uin, flag)
+	}
+}
+
+func (m *GroupMemberInfo) EditSpecialTitle(title string) {
+	if m.Group.SelfPermission() == Owner && len(title) <= 18 {
+		m.Group.client.editMemberSpecialTitle(m.Group.Code, m.Uin, title)
+		m.SpecialTitle = title
+	}
+}
+
+func (m *GroupMemberInfo) Kick(msg string, block bool) {
+	if m.Uin != m.Group.client.Uin && m.Manageable() {
+		m.Group.client.kickGroupMember(m.Group.Code, m.Uin, msg, block)
+	}
+}
+
+func (m *GroupMemberInfo) Mute(time uint32) {
+	if m.Uin != m.Group.client.Uin && m.Manageable() {
+		if time < 2592000 {
+			m.Group.client.groupMute(m.Group.Code, m.Uin, time)
+		}
+	}
+}
+
+func (m *GroupMemberInfo) Manageable() bool {
+	if m.Uin == m.Group.client.Uin {
+		return true
+	}
+	self := m.Group.SelfPermission()
+	if self == Member || m.Permission == Owner {
+		return false
+	}
+	return m.Permission != Administrator || self == Owner
+}
+
+func (m *GroupMemberInfo) CardChangable() bool {
+	if m.Uin == m.Group.client.Uin {
+		return true
+	}
+	self := m.Group.SelfPermission()
+	if self == Member {
+		return false
+	}
+	return m.Permission != Owner
+}