diff --git a/api_generated.go b/api_generated.go
index fda7bc2..b55ee06 100644
--- a/api_generated.go
+++ b/api_generated.go
@@ -485,14 +485,14 @@ func (ctx *Ctx) GetMyGuilds(before, after string, limit int) (guilds []Guild, er
 // PostFileToQQUser 发送文件到 QQ 用户的 openid
 //
 // https://bot.q.qq.com/wiki/develop/api-231017/server-inter/message/send-receive/rich-text-media.html#%E5%8F%91%E9%80%81%E5%88%B0%E5%8D%95%E8%81%8A
-func (ctx *Ctx) PostFileToQQUser(id string, content *FilePost) (*IDTimestampMessageResult, error) {
+func (ctx *Ctx) PostFileToQQUser(id string, content *FilePost) (*Message, error) {
 	return ctx.caller.PostFileToQQUser(id, content)
 }
 
 // PostFileToQQGroup 发送文件到 QQ 群的 openid
 //
 // https://bot.q.qq.com/wiki/develop/api-231017/server-inter/message/send-receive/rich-text-media.html#%E5%8F%91%E9%80%81%E5%88%B0%E7%BE%A4%E8%81%8A
-func (ctx *Ctx) PostFileToQQGroup(id string, content *FilePost) (*IDTimestampMessageResult, error) {
+func (ctx *Ctx) PostFileToQQGroup(id string, content *FilePost) (*Message, error) {
 	return ctx.caller.PostFileToQQGroup(id, content)
 }
 
@@ -503,14 +503,14 @@ func (ctx *Ctx) PostFileToQQGroup(id string, content *FilePost) (*IDTimestampMes
 // PostMessageToQQUser 向 openid 指定的用户发送消息
 //
 // https://bot.q.qq.com/wiki/develop/api-231017/server-inter/message/send-receive/send.html#%E5%8D%95%E8%81%8A
-func (ctx *Ctx) PostMessageToQQUser(id string, content *MessagePostV2) (*IDTimestampMessageResult, error) {
+func (ctx *Ctx) PostMessageToQQUser(id string, content *MessagePost) (*Message, error) {
 	return ctx.caller.PostMessageToQQUser(id, content)
 }
 
 // PostMessageToQQGroup 向 openid 指定的群发送消息
 //
 // https://bot.q.qq.com/wiki/develop/api-231017/server-inter/message/send-receive/send.html#%E7%BE%A4%E8%81%8A
-func (ctx *Ctx) PostMessageToQQGroup(id string, content *MessagePostV2) (*IDTimestampMessageResult, error) {
+func (ctx *Ctx) PostMessageToQQGroup(id string, content *MessagePost) (*Message, error) {
 	return ctx.caller.PostMessageToQQGroup(id, content)
 }
 
diff --git a/context.go b/context.go
index e6936b2..2a35882 100644
--- a/context.go
+++ b/context.go
@@ -6,7 +6,6 @@ import (
 	"reflect"
 	"strings"
 	"sync"
-	"time"
 )
 
 //go:generate go run codegen/context/main.go
@@ -86,9 +85,9 @@ func (ctx *Ctx) Send(messages Messages) (m []*Message, err error) {
 	var reply *Message
 	for _, msg := range messages {
 		switch msg.Type {
-		case MessageTypeText:
+		case MessageSegmentTypeText:
 			textlist = append(textlist, msg.Data)
-		case MessageTypeImage:
+		case MessageSegmentTypeImage:
 			reply, err = ctx.SendImage(msg.Data, isnextreply, textlist...)
 			if isnextreply {
 				isnextreply = false
@@ -98,7 +97,7 @@ func (ctx *Ctx) Send(messages Messages) (m []*Message, err error) {
 			if err != nil {
 				return
 			}
-		case MessageTypeImageBytes:
+		case MessageSegmentTypeImageBytes:
 			if ctx.IsQQ {
 				continue
 			}
@@ -111,30 +110,29 @@ func (ctx *Ctx) Send(messages Messages) (m []*Message, err error) {
 			if err != nil {
 				return
 			}
-		case MessageTypeReply:
+		case MessageSegmentTypeReply:
 			isnextreply = true
-		case MessageTypeAudio, MessageTypeVideo:
+		case MessageSegmentTypeAudio, MessageSegmentTypeVideo:
 			if !ctx.IsQQ {
 				continue
 			}
 			fp := &FilePost{
 				URL: msg.Data,
 			}
-			if msg.Type == MessageTypeAudio {
+			if msg.Type == MessageSegmentTypeAudio {
 				fp.Type = FileTypeAudio
-			} else if msg.Type == MessageTypeVideo {
+			} else if msg.Type == MessageSegmentTypeVideo {
 				fp.Type = FileTypeVideo
 			}
-			var idts *IDTimestampMessageResult
 			if OnlyQQGroup(ctx) {
-				idts, err = ctx.PostFileToQQGroup(ctx.Message.ChannelID, fp)
+				reply, err = ctx.PostFileToQQGroup(ctx.Message.ChannelID, fp)
 			} else if OnlyQQPrivate(ctx) {
-				idts, err = ctx.PostFileToQQUser(ctx.Message.Author.ID, fp)
+				reply, err = ctx.PostFileToQQUser(ctx.Message.Author.ID, fp)
 			}
+			m = append(m, reply)
 			if err != nil {
 				return
 			}
-			reply = &Message{ID: idts.ID, Timestamp: time.Unix(int64(idts.Timestamp), 0)}
 		}
 	}
 	if len(textlist) > 0 {
@@ -168,35 +166,21 @@ func (ctx *Ctx) Post(replytosender bool, post *MessagePost) (reply *Message, err
 	} else if OnlyChannel(ctx) {
 		reply, err = ctx.PostMessageToChannel(msg.ChannelID, post)
 	} else { // v2
-		var idts *IDTimestampMessageResult
-		typ := MessageTypeV2Text
 		switch {
 		case post.Markdown != nil:
-			typ = MessageTypeV2Markdown
+			post.Type = MessageTypeMarkdown
 		case post.Ark != nil:
-			typ = MessageTypeV2Ark
+			post.Type = MessageTypeArk
 		case post.Embed != nil:
-			typ = MessageTypeV2Embed
-		}
-		v2post := &MessagePostV2{
-			Type:             typ,
-			Seq:              len(GetTriggeredMessages(msg.ID)) + 1,
-			Content:          post.Content,
-			ReplyMessageID:   post.ReplyMessageID,
-			MessageReference: post.MessageReference,
-			Markdown:         post.Markdown,
-			KeyBoard:         post.KeyBoard,
-			Ark:              post.Ark,
-			Embed:            post.Embed,
+			post.Type = MessageTypeEmbed
+		default:
+			post.Type = MessageTypeText
 		}
+		post.Seq = len(GetTriggeredMessages(msg.ID)) + 1
 		if OnlyQQGroup(ctx) {
-			idts, err = ctx.PostMessageToQQGroup(msg.ChannelID, v2post)
+			reply, err = ctx.PostMessageToQQGroup(msg.ChannelID, post)
 		} else if OnlyQQPrivate(ctx) {
-			idts, err = ctx.PostMessageToQQUser(msg.ChannelID, v2post)
-		}
-		reply = &Message{
-			ID:        idts.ID,
-			Timestamp: time.Unix(int64(idts.Timestamp), 0),
+			reply, err = ctx.PostMessageToQQUser(msg.ChannelID, post)
 		}
 	}
 	if err != nil && msg != nil && reply != nil && reply.ID != "" {
@@ -213,24 +197,19 @@ func (ctx *Ctx) SendPlainMessage(replytosender bool, printable ...any) (*Message
 }
 
 // SendImage 发送带图片消息到对方
-func (ctx *Ctx) SendImage(file string, replytosender bool, caption ...any) (*Message, error) {
+func (ctx *Ctx) SendImage(file string, replytosender bool, caption ...any) (reply *Message, err error) {
 	if OnlyQQ(ctx) {
-		var idts *IDTimestampMessageResult
-		var err error
 		fp := &FilePost{
 			Type: FileTypeImage,
 			URL:  file,
 		}
 		_, _ = ctx.SendPlainMessage(replytosender, caption...)
 		if OnlyQQGroup(ctx) {
-			idts, err = ctx.PostFileToQQGroup(ctx.Message.ChannelID, fp)
+			reply, err = ctx.PostFileToQQGroup(ctx.Message.ChannelID, fp)
 		} else if OnlyQQPrivate(ctx) {
-			idts, err = ctx.PostFileToQQUser(ctx.Message.Author.ID, fp)
+			reply, err = ctx.PostFileToQQUser(ctx.Message.Author.ID, fp)
 		}
-		if err != nil {
-			return nil, err
-		}
-		return &Message{ID: idts.ID, Timestamp: time.Unix(int64(idts.Timestamp), 0)}, nil
+		return
 	}
 
 	post := &MessagePost{
diff --git a/event.go b/event.go
index db0426e..2b402b4 100644
--- a/event.go
+++ b/event.go
@@ -82,27 +82,15 @@ func (bot *Bot) processEvent(payload *WebsocketPayload) {
 	ctx.value = x
 	switch tp {
 	case "Message":
+		ctx.Message = (*Message)(x.UnsafePointer())
+		if ctx.Message.MentionEveryone {
+			ctx.IsToMe = true
+		}
 		if ctx.IsQQ {
-			msgv2 := (*MessageV2)(x.UnsafePointer())
-			ctx.Message = &Message{
-				ID:          msgv2.ID,
-				Content:     msgv2.Content,
-				ChannelID:   msgv2.GroupOpenID,
-				GuildID:     payload.T,
-				Timestamp:   msgv2.Timestamp,
-				Attachments: msgv2.Attachments,
-				Author:      &User{},
-			}
-			if msgv2.Author.UserOpenID != "" {
-				ctx.Message.Author.ID = msgv2.Author.UserOpenID
-			} else if msgv2.Author.MemberOpenID != "" {
-				ctx.Message.Author.ID = msgv2.Author.MemberOpenID
-			}
-			ctx.Value = ctx.Message
-		} else {
-			ctx.Message = (*Message)(x.UnsafePointer())
-			if ctx.Message.MentionEveryone {
-				ctx.IsToMe = true
+			if ctx.Message.Author.UserOpenID != "" {
+				ctx.Message.Author.ID = ctx.Message.Author.UserOpenID
+			} else if ctx.Message.Author.MemberOpenID != "" {
+				ctx.Message.Author.ID = ctx.Message.Author.MemberOpenID
 			}
 		}
 		log.Infoln(getLogHeader(), "=>", ctx.Message)
diff --git a/handler.go b/handler.go
index 6e30897..5f692b3 100644
--- a/handler.go
+++ b/handler.go
@@ -70,8 +70,8 @@ type Handler struct {
 	OnAudioOrLiveChannelMemberExit  func(s uint32, bot *Bot, d *AudioLiveChannelUsersChange)
 	// QQ (1<<25) QQ 的一堆事件
 
-	OnC2cMessageCreate     func(s uint32, bot *Bot, d *MessageV2)
-	OnGroupAtMessageCreate func(s uint32, bot *Bot, d *MessageV2)
+	OnC2cMessageCreate     func(s uint32, bot *Bot, d *Message)
+	OnGroupAtMessageCreate func(s uint32, bot *Bot, d *Message)
 	OnGroupAddRobot        func(s uint32, bot *Bot, d *QQRobotStatus)
 	OnGroupDelRobot        func(s uint32, bot *Bot, d *QQRobotStatus)
 	OnGroupMsgReject       func(s uint32, bot *Bot, d *QQRobotStatus)
diff --git a/message.go b/message.go
index 333441b..a96dc8e 100644
--- a/message.go
+++ b/message.go
@@ -27,15 +27,15 @@ func GetTriggeredMessages(id string) []string {
 	return triggeredMessages.Get(id)
 }
 
-type MessageType int
+type MessageSegmentType int
 
 const (
-	MessageTypeText MessageType = iota
-	MessageTypeImage
-	MessageTypeImageBytes
-	MessageTypeReply
-	MessageTypeAudio
-	MessageTypeVideo
+	MessageSegmentTypeText MessageSegmentType = iota
+	MessageSegmentTypeImage
+	MessageSegmentTypeImageBytes
+	MessageSegmentTypeReply
+	MessageSegmentTypeAudio
+	MessageSegmentTypeVideo
 )
 
 // Message impl the array form of message
@@ -44,7 +44,7 @@ type Messages []MessageSegment
 // MessageSegment impl the single message
 // MessageSegment 消息数组
 type MessageSegment struct {
-	Type MessageType
+	Type MessageSegmentType
 	Data string
 }
 
@@ -56,7 +56,7 @@ func (m MessageSegment) String() string {
 // Text 纯文本
 func Text(text ...interface{}) MessageSegment {
 	return MessageSegment{
-		Type: MessageTypeText,
+		Type: MessageSegmentTypeText,
 		Data: HideURL(MessageEscape(fmt.Sprint(text...))),
 	}
 }
@@ -65,7 +65,7 @@ func Text(text ...interface{}) MessageSegment {
 // https://bot.q.qq.com/wiki/develop/api/openapi/message/message_format.html#%E6%94%AF%E6%8C%81%E7%9A%84%E6%A0%BC%E5%BC%8F
 func Face(id int) MessageSegment {
 	return MessageSegment{
-		Type: MessageTypeText,
+		Type: MessageSegmentTypeText,
 		Data: "<emoji:" + strconv.Itoa(id) + ">",
 	}
 }
@@ -73,7 +73,7 @@ func Face(id int) MessageSegment {
 // Image 普通图片
 func Image(file string) MessageSegment {
 	return MessageSegment{
-		Type: MessageTypeImage,
+		Type: MessageSegmentTypeImage,
 		Data: file,
 	}
 }
@@ -81,7 +81,7 @@ func Image(file string) MessageSegment {
 // ImageBytes 普通图片
 func ImageBytes(data []byte) MessageSegment {
 	return MessageSegment{
-		Type: MessageTypeImageBytes,
+		Type: MessageSegmentTypeImageBytes,
 		Data: BytesToString(data),
 	}
 }
@@ -93,7 +93,7 @@ func At(id string) MessageSegment {
 		return AtAll()
 	}
 	return MessageSegment{
-		Type: MessageTypeText,
+		Type: MessageSegmentTypeText,
 		Data: "<@!" + id + ">",
 	}
 }
@@ -102,7 +102,7 @@ func At(id string) MessageSegment {
 // https://bot.q.qq.com/wiki/develop/api/openapi/message/message_format.html#%E6%94%AF%E6%8C%81%E7%9A%84%E6%A0%BC%E5%BC%8F
 func AtAll() MessageSegment {
 	return MessageSegment{
-		Type: MessageTypeText,
+		Type: MessageSegmentTypeText,
 		Data: "@everyone",
 	}
 }
@@ -111,7 +111,7 @@ func AtAll() MessageSegment {
 // https://bot.q.qq.com/wiki/develop/api/openapi/message/message_format.html#%E6%94%AF%E6%8C%81%E7%9A%84%E6%A0%BC%E5%BC%8F
 func AtChannel(id string) MessageSegment {
 	return MessageSegment{
-		Type: MessageTypeText,
+		Type: MessageSegmentTypeText,
 		Data: "<#channel_id>",
 	}
 }
@@ -120,7 +120,7 @@ func AtChannel(id string) MessageSegment {
 // https://bot.q.qq.com/wiki/develop/api-231017/server-inter/message/send-receive/rich-text-media.html
 func Record(url string) MessageSegment {
 	return MessageSegment{
-		Type: MessageTypeAudio,
+		Type: MessageSegmentTypeAudio,
 		Data: url,
 	}
 }
@@ -129,7 +129,7 @@ func Record(url string) MessageSegment {
 // https://bot.q.qq.com/wiki/develop/api-231017/server-inter/message/send-receive/rich-text-media.html
 func Video(url string) MessageSegment {
 	return MessageSegment{
-		Type: MessageTypeVideo,
+		Type: MessageSegmentTypeVideo,
 		Data: url,
 	}
 }
@@ -138,7 +138,7 @@ func Video(url string) MessageSegment {
 // https://github.com/botuniverse/onebot-11/tree/master/message/segment.md#%E5%9B%9E%E5%A4%8D
 func ReplyTo(id string) MessageSegment {
 	return MessageSegment{
-		Type: MessageTypeReply,
+		Type: MessageSegmentTypeReply,
 		Data: id,
 	}
 }
diff --git a/openapi.go b/openapi.go
index 0f39a5d..ff79235 100644
--- a/openapi.go
+++ b/openapi.go
@@ -120,7 +120,7 @@ func (bot *Bot) DeleteOpenAPIWithPtr(ep, contenttype string, ptr any, body io.Re
 	return bot.dohttprequest(NewHTTPEndpointDeleteRequestWithAuth, ep, contenttype, ptr, body)
 }
 
-//go:generate go run codegen/postopenapiof/main.go Channel GuildRoleCreate Message DMS IDTimestampMessageResult
+//go:generate go run codegen/postopenapiof/main.go Channel GuildRoleCreate Message DMS
 
 // PostOpenAPI 从 ep 得到 json 结构化数据返回值写到 ptr, ptr 除 Slice 外必须在开头继承 CodeMessageBase
 func (bot *Bot) PostOpenAPI(ep, contenttype string, ptr any, body io.Reader) error {
diff --git a/openapi_codegen_postopenapiof.go b/openapi_codegen_postopenapiof.go
index 05f6ba2..7d305e5 100644
--- a/openapi_codegen_postopenapiof.go
+++ b/openapi_codegen_postopenapiof.go
@@ -55,15 +55,3 @@ func (bot *Bot) postOpenAPIofDMS(ep, contenttype string, body io.Reader) (*DMS,
 	}
 	return &resp.DMS, err
 }
-
-func (bot *Bot) postOpenAPIofIDTimestampMessageResult(ep, contenttype string, body io.Reader) (*IDTimestampMessageResult, error) {
-	resp := &struct {
-		CodeMessageBase
-		IDTimestampMessageResult
-	}{}
-	err := bot.PostOpenAPI(ep, contenttype, resp, body)
-	if err != nil {
-		err = errors.Wrap(err, getCallerFuncName())
-	}
-	return &resp.IDTimestampMessageResult, err
-}
diff --git a/openapi_message.go b/openapi_message.go
index 684d0e7..94b5f29 100644
--- a/openapi_message.go
+++ b/openapi_message.go
@@ -22,6 +22,7 @@ type Message struct {
 	ID               string              `json:"id"`
 	ChannelID        string              `json:"channel_id"`
 	GuildID          string              `json:"guild_id"`
+	GroupOpenID      string              `json:"group_openid"`
 	Content          string              `json:"content"`
 	Timestamp        time.Time           `json:"timestamp"`
 	EditedTimestamp  time.Time           `json:"edited_timestamp"`
@@ -224,6 +225,9 @@ func (bot *Bot) GetMessageFromChannel(messageid, channelid string) (*Message, er
 //
 // https://bot.q.qq.com/wiki/develop/api/openapi/message/post_messages.html#%E9%80%9A%E7%94%A8%E5%8F%82%E6%95%B0
 type MessagePost struct {
+	// https://bot.q.qq.com/wiki/develop/api-231017/server-inter/message/send-receive/send.html
+	Type             MessageType       `json:"msg_type"`
+	Seq              int               `json:"msg_seq,omitempty"` // 回复消息的序号，与 msg_id 联合使用，避免相同消息id回复重复发送，不填默认是1。相同的 msg_id + msg_seq 重复发送会失败。
 	Content          string            `json:"content,omitempty"`
 	Embed            *MessageEmbed     `json:"embed,omitempty"` // https://bot.q.qq.com/wiki/develop/api/openapi/message/template/embed_message.html
 	Ark              *MessageArk       `json:"ark,omitempty"`   // https://bot.q.qq.com/wiki/develop/api/openapi/message/message_template.html
@@ -239,6 +243,13 @@ type MessagePost struct {
 
 func (mp *MessagePost) String() string {
 	sb := strings.Builder{}
+	if mp.Seq > 0 {
+		sb.WriteString("[v2:")
+		sb.WriteString(mp.Type.String())
+		sb.WriteString("#")
+		sb.WriteString(strconv.Itoa(mp.Seq))
+		sb.WriteString("]")
+	}
 	if mp.Content == "" {
 		sb.WriteString("无文本")
 	} else {
diff --git a/openapi_user.go b/openapi_user.go
index fcdb1b9..e74d9a6 100644
--- a/openapi_user.go
+++ b/openapi_user.go
@@ -10,6 +10,8 @@ type User struct {
 	Bot              bool   `json:"bot"`
 	UnionOpenid      string `json:"union_openid"`
 	UnionUserAccount string `json:"union_user_account"`
+	UserOpenID       string `json:"user_openid"`
+	MemberOpenID     string `json:"member_openid"`
 }
 
 // At 返回 <@!u.ID>
diff --git a/openapi_v2.go b/openapi_v2.go
index f85fe46..058b0b4 100644
--- a/openapi_v2.go
+++ b/openapi_v2.go
@@ -1,10 +1,5 @@
 package nano
 
-type IDTimestampMessageResult struct {
-	ID        string `json:"id"`
-	Timestamp int    `json:"timestamp"`
-}
-
 // QQRobotStatus https://bot.q.qq.com/wiki/develop/api-231017/server-inter/group.html#%E4%BA%8B%E4%BB%B6
 type QQRobotStatus struct {
 	OpenID         string `json:"openid"`
diff --git a/openapi_v2_files.go b/openapi_v2_files.go
index 021b167..a012282 100644
--- a/openapi_v2_files.go
+++ b/openapi_v2_files.go
@@ -59,17 +59,17 @@ func (fp *FilePost) String() string {
 // PostFileToQQUser 发送文件到 QQ 用户的 openid
 //
 // https://bot.q.qq.com/wiki/develop/api-231017/server-inter/message/send-receive/rich-text-media.html#%E5%8F%91%E9%80%81%E5%88%B0%E5%8D%95%E8%81%8A
-func (bot *Bot) PostFileToQQUser(id string, content *FilePost) (*IDTimestampMessageResult, error) {
+func (bot *Bot) PostFileToQQUser(id string, content *FilePost) (*Message, error) {
 	logrus.Infoln(getLogHeader(), "<= [Q]单:", id+",", content)
 	content.MotherFuckingAlwaysTrue = true
-	return bot.postOpenAPIofIDTimestampMessageResult("/v2/users/"+id+"/files", "", WriteBodyFromJSON(content))
+	return bot.postOpenAPIofMessage("/v2/users/"+id+"/files", "", WriteBodyFromJSON(content))
 }
 
 // PostFileToQQGroup 发送文件到 QQ 群的 openid
 //
 // https://bot.q.qq.com/wiki/develop/api-231017/server-inter/message/send-receive/rich-text-media.html#%E5%8F%91%E9%80%81%E5%88%B0%E7%BE%A4%E8%81%8A
-func (bot *Bot) PostFileToQQGroup(id string, content *FilePost) (*IDTimestampMessageResult, error) {
+func (bot *Bot) PostFileToQQGroup(id string, content *FilePost) (*Message, error) {
 	logrus.Infoln(getLogHeader(), "<= [Q]群:", id+",", content)
 	content.MotherFuckingAlwaysTrue = true
-	return bot.postOpenAPIofIDTimestampMessageResult("/v2/groups/"+id+"/files", "", WriteBodyFromJSON(content))
+	return bot.postOpenAPIofMessage("/v2/groups/"+id+"/files", "", WriteBodyFromJSON(content))
 }
diff --git a/openapi_v2_message.go b/openapi_v2_message.go
index 8310161..148c6eb 100644
--- a/openapi_v2_message.go
+++ b/openapi_v2_message.go
@@ -2,149 +2,49 @@ package nano
 
 import (
 	"strconv"
-	"strings"
-	"time"
 
 	"github.com/sirupsen/logrus"
 )
 
-type MessageTypeV2 int
+type MessageType int
 
 const (
-	MessageTypeV2Text MessageTypeV2 = iota
-	MessageTypeV2TextImage
-	MessageTypeV2Markdown
-	MessageTypeV2Ark
-	MessageTypeV2Embed
+	MessageTypeText MessageType = iota
+	MessageTypeTextImage
+	MessageTypeMarkdown
+	MessageTypeArk
+	MessageTypeEmbed
 )
 
-func (mt2 MessageTypeV2) String() string {
+func (mt2 MessageType) String() string {
 	switch mt2 {
-	case MessageTypeV2Text:
+	case MessageTypeText:
 		return "文本"
-	case MessageTypeV2TextImage:
+	case MessageTypeTextImage:
 		return "图文混排"
-	case MessageTypeV2Markdown:
+	case MessageTypeMarkdown:
 		return "MD"
-	case MessageTypeV2Ark:
+	case MessageTypeArk:
 		return "模版"
-	case MessageTypeV2Embed:
+	case MessageTypeEmbed:
 		return "嵌入"
 	default:
 		return "未知类型" + strconv.Itoa(int(mt2))
 	}
 }
 
-type MessageV2 struct {
-	Author struct {
-		UserOpenID   string `json:"user_openid"`
-		MemberOpenID string `json:"member_openid"`
-	} `json:"author"`
-	Content     string              `json:"content"`
-	ID          string              `json:"id"`
-	GroupOpenID string              `json:"group_openid"`
-	Timestamp   time.Time           `json:"timestamp"`
-	Attachments []MessageAttachment `json:"attachments"`
-}
-
-// MessagePostV2 V2 发消息结构体
-//
-// https://bot.q.qq.com/wiki/develop/api-231017/server-inter/message/send-receive/send.html
-type MessagePostV2 struct {
-	Type           MessageTypeV2 `json:"msg_type"`
-	Seq            int           `json:"msg_seq,omitempty"` // 回复消息的序号，与 msg_id 联合使用，避免相同消息id回复重复发送，不填默认是1。相同的 msg_id + msg_seq 重复发送会失败。
-	Content        string        `json:"content"`
-	ReplyEventID   string        `json:"event_id,omitempty"` // 前置收到的事件ID，用于发送被动消息
-	ReplyMessageID string        `json:"msg_id,omitempty"`
-
-	// image		否	【暂不支持】
-	MessageReference *MessageReference `json:"message_reference,omitempty"` // 【暂未支持】消息引用
-
-	Markdown *MessageMarkdown `json:"markdown,omitempty"`
-	KeyBoard *MessageKeyboard `json:"keyboard,omitempty"`
-	Ark      *MessageArk      `json:"ark,omitempty"`
-	Embed    *MessageEmbed    `json:"embed,omitempty"`
-}
-
-func (mp *MessagePostV2) String() string {
-	sb := strings.Builder{}
-	sb.WriteString("[v2.")
-	sb.WriteString(mp.Type.String())
-	sb.WriteString(".")
-	sb.WriteString(strconv.Itoa(mp.Seq))
-	sb.WriteString("]")
-	if mp.Content == "" {
-		sb.WriteString("无文本")
-	} else {
-		sb.WriteString("文本: ")
-		sb.WriteString(mp.Content)
-	}
-	if mp.ReplyMessageID != "" {
-		sb.WriteString(", 回应消息: ")
-		sb.WriteString(mp.ReplyMessageID)
-	}
-	if mp.ReplyEventID != "" {
-		sb.WriteString(", 回应事件: ")
-		sb.WriteString(mp.ReplyEventID)
-	}
-	if mp.Embed != nil {
-		sb.WriteString(", 嵌入: <标题:")
-		sb.WriteString(mp.Embed.Title)
-		sb.WriteString(",提示:")
-		sb.WriteString(mp.Embed.Prompt)
-		sb.WriteByte('>')
-	}
-	if mp.Ark != nil {
-		sb.WriteString(", 模版: ")
-		sb.WriteString(strconv.Itoa(mp.Ark.TemplateID))
-	}
-	if mp.MessageReference != nil {
-		sb.WriteString(", 回复: ")
-		sb.WriteString(mp.MessageReference.MessageID)
-	}
-	/*if mp.Image != "" {
-		sb.WriteString(", 图片URL: ")
-		sb.WriteString(mp.Image)
-	}
-	if mp.ImageFile != "" {
-		sb.WriteString(", 图片内容: ")
-		x := mp.ImageFile
-		if len(x) > 64 {
-			x = x[:64] + "..."
-		}
-		sb.WriteString(x)
-	}
-	if len(mp.ImageBytes) > 0 {
-		sb.WriteString(", 图片大小: ")
-		sb.WriteString(strconv.Itoa(len(mp.ImageBytes)))
-	}*/
-	if mp.Markdown != nil {
-		sb.WriteString(", MD模版: ")
-		sb.WriteString(strconv.Itoa(mp.Markdown.TemplateID))
-	}
-	if mp.KeyBoard != nil {
-		sb.WriteString(", KB模版: ")
-		sb.WriteString(mp.KeyBoard.ID)
-	}
-	return sb.String()
-}
-
-func (bot *Bot) postV2MessageTo(ep string, content *MessagePostV2) (*IDTimestampMessageResult, error) {
-	return bot.postOpenAPIofIDTimestampMessageResult(ep, "", WriteBodyFromJSON(content))
-}
-
 // PostMessageToQQUser 向 openid 指定的用户发送消息
 //
 // https://bot.q.qq.com/wiki/develop/api-231017/server-inter/message/send-receive/send.html#%E5%8D%95%E8%81%8A
-func (bot *Bot) PostMessageToQQUser(id string, content *MessagePostV2) (*IDTimestampMessageResult, error) {
+func (bot *Bot) PostMessageToQQUser(id string, content *MessagePost) (*Message, error) {
 	logrus.Infoln(getLogHeader(), "<= [Q]单:", id+",", content)
-	return bot.postV2MessageTo("/v2/users/"+id+"/messages", content)
+	return bot.postMessageTo("/v2/users/"+id+"/messages", content)
 }
 
 // PostMessageToQQGroup 向 openid 指定的群发送消息
 //
 // https://bot.q.qq.com/wiki/develop/api-231017/server-inter/message/send-receive/send.html#%E7%BE%A4%E8%81%8A
-func (bot *Bot) PostMessageToQQGroup(id string, content *MessagePostV2) (*IDTimestampMessageResult, error) {
+func (bot *Bot) PostMessageToQQGroup(id string, content *MessagePost) (*Message, error) {
 	logrus.Infoln(getLogHeader(), "<= [Q]群:", id+",", content)
-	return bot.postV2MessageTo("/v2/groups/"+id+"/messages", content)
+	return bot.postMessageTo("/v2/groups/"+id+"/messages", content)
 }