diff --git a/coolq/api.go b/coolq/api.go
index 2a1b387..17aa396 100644
--- a/coolq/api.go
+++ b/coolq/api.go
@@ -562,6 +562,47 @@ func (bot *CQBot) CQSendGroupMessage(groupID int64, m gjson.Result, autoEscape b
 	return OK(global.MSG{"message_id": mid})
 }
 
+// CQSendGuildChannelMessage 发送频道消息
+//
+// @route(send_guild_channel_msg)
+// @rename(m->message)
+func (bot *CQBot) CQSendGuildChannelMessage(guildID, channelID uint64, m gjson.Result, autoEscape bool) global.MSG {
+	guild := bot.Client.GuildService.FindGuild(guildID)
+	if guild == nil {
+		return Failed(100, "GUILD_NOT_FOUND", "频道不存在")
+	}
+	channel := guild.FindChannel(channelID)
+	if channel == nil {
+		return Failed(100, "CHANNEL_NOT_FOUND", "子频道不存在")
+	}
+	if channel.ChannelType != client.ChannelTypeText {
+		log.Warnf("无法发送频道信息: 频道类型错误, 不接受文件信息")
+		return Failed(100, "CHANNEL_NOT_SUPPORTED_TEXT_MSG", "子频道类型错误, 无法发送文本信息")
+	}
+	var elem []message.IMessageElement
+	// todo: 将 converter 适配频道或者为频道单独写一个
+	if m.Type == gjson.JSON {
+		elem = bot.ConvertObjectMessage(m, true)
+	} else {
+		str := m.String()
+		if str == "" {
+			log.Warn("群消息发送失败: 信息为空.")
+			return Failed(100, "EMPTY_MSG_ERROR", "消息为空")
+		}
+		if autoEscape {
+			elem = []message.IMessageElement{message.NewText(str)}
+		} else {
+			elem = bot.ConvertStringMessage(str, true)
+		}
+	}
+	mid := bot.SendGuildChannelMessage(guildID, channelID, &message.SendingMessage{Elements: elem})
+	if mid == "" {
+		return Failed(100, "SEND_MSG_API_ERROR", "请参考 go-cqhttp 端输出")
+	}
+	log.Infof("发送频道 %v(%v) 子频道 %v(%v) 的消息: %v (%v)", guild.GuildName, guild.GuildId, channel.ChannelName, channel.ChannelId, limitedString(m.String()), mid)
+	return OK(global.MSG{"message_id": mid})
+}
+
 // CQSendGroupForwardMessage 扩展API-发送合并转发(群)
 //
 // https://docs.go-cqhttp.org/api/#%E5%8F%91%E9%80%81%E5%90%88%E5%B9%B6%E8%BD%AC%E5%8F%91-%E7%BE%A4
diff --git a/coolq/bot.go b/coolq/bot.go
index 2168c3d..f54f8b3 100644
--- a/coolq/bot.go
+++ b/coolq/bot.go
@@ -181,6 +181,22 @@ func (bot *CQBot) UploadLocalImageAsPrivate(userID int64, img *LocalImageElement
 	return
 }
 
+// UploadLocalImageAsGuildChannel 上传本地图片至频道
+func (bot *CQBot) UploadLocalImageAsGuildChannel(guildId, channelId uint64, img *LocalImageElement) (*message.GuildImageElement, error) {
+	if img.File != "" {
+		f, err := os.Open(img.File)
+		if err != nil {
+			return nil, errors.Wrap(err, "open image error")
+		}
+		defer func() { _ = f.Close() }()
+		img.Stream = f
+	}
+	if lawful, mime := base.IsLawfulImage(img.Stream); !lawful {
+		return nil, errors.New("image type error: " + mime)
+	}
+	return bot.Client.GuildService.UploadGuildImage(guildId, channelId, img.Stream)
+}
+
 // SendGroupMessage 发送群消息
 func (bot *CQBot) SendGroupMessage(groupID int64, m *message.SendingMessage) int32 {
 	newElem := make([]message.IMessageElement, 0, len(m.Elements))
@@ -325,6 +341,39 @@ func (bot *CQBot) SendPrivateMessage(target int64, groupID int64, m *message.Sen
 	return id
 }
 
+// SendGuildChannelMessage 发送频道消息
+func (bot *CQBot) SendGuildChannelMessage(guildID, channelID uint64, m *message.SendingMessage) string {
+	newElem := make([]message.IMessageElement, 0, len(m.Elements))
+	for _, e := range m.Elements {
+		switch i := e.(type) {
+		case *LocalImageElement:
+			n, err := bot.UploadLocalImageAsGuildChannel(guildID, channelID, i)
+			if err != nil {
+				log.Warnf("警告: 频道 %d 消息%s上传失败: %v", channelID, e.Type().String(), err)
+				continue
+			}
+			e = n
+		case *LocalVideoElement, *LocalVoiceElement, *PokeElement, *message.MusicShareElement, *GiftElement:
+			log.Warnf("警告: 频道暂不支持发送 %v 消息", i.Type().String())
+			continue
+		}
+		newElem = append(newElem, e)
+	}
+	if len(newElem) == 0 {
+		log.Warnf("频道消息发送失败: 消息为空.")
+		return ""
+	}
+	m.Elements = newElem
+	bot.checkMedia(newElem, bot.Client.Uin)
+	ret, err := bot.Client.GuildService.SendGuildChannelMessage(guildID, channelID, m)
+	if err != nil {
+		log.Warnf("频道消息发送失败: %v", err)
+		return ""
+	}
+	// todo: insert db
+	return fmt.Sprintf("%v-%v", ret.Id, ret.InternalId)
+}
+
 // InsertGroupMessage 群聊消息入数据库
 func (bot *CQBot) InsertGroupMessage(m *message.GroupMessage) int32 {
 	t := &message.SendingMessage{Elements: m.Elements}
diff --git a/coolq/event.go b/coolq/event.go
index 5212520..a9f4829 100644
--- a/coolq/event.go
+++ b/coolq/event.go
@@ -652,6 +652,19 @@ func (bot *CQBot) checkMedia(e []message.IMessageElement, sourceID int64) {
 			} else if !global.PathExists(path.Join(global.ImagePath, filename)) {
 				_ = os.WriteFile(path.Join(global.ImagePath, filename), data, 0o644)
 			}
+		case *message.GuildImageElement:
+			data := binary.NewWriterF(func(w *binary.Writer) {
+				w.Write(i.Md5)
+				w.WriteUInt32(uint32(i.Size))
+				w.WriteString(i.DownloadIndex)
+				w.WriteString(i.Url)
+			})
+			filename := hex.EncodeToString(i.Md5) + ".image"
+			if cache.EnableCacheDB {
+				cache.Image.Insert(i.Md5, data)
+			} else if !global.PathExists(path.Join(global.ImagePath, filename)) {
+				_ = os.WriteFile(path.Join(global.ImagePath, filename), data, 0o644)
+			}
 		case *message.FriendImageElement:
 			data := binary.NewWriterF(func(w *binary.Writer) {
 				w.Write(i.Md5)
diff --git a/modules/api/api.go b/modules/api/api.go
index fba3c06..af21228 100644
--- a/modules/api/api.go
+++ b/modules/api/api.go
@@ -177,6 +177,12 @@ func (c *Caller) call(action string, p Getter) global.MSG {
 		p1 := p.Get("message")
 		p2 := p.Get("auto_escape").Bool()
 		return c.bot.CQSendGroupMessage(p0, p1, p2)
+	case "send_guild_channel_msg":
+		p0 := p.Get("guild_id").Uint()
+		p1 := p.Get("channel_id").Uint()
+		p2 := p.Get("message")
+		p3 := p.Get("auto_escape").Bool()
+		return c.bot.CQSendGuildChannelMessage(p0, p1, p2, p3)
 	case "send_msg":
 		p0 := p.Get("group_id").Int()
 		p1 := p.Get("user_id").Int()