diff --git a/channel/email.go b/channel/email.go
index 9a7a81d..b281ef8 100644
--- a/channel/email.go
+++ b/channel/email.go
@@ -23,7 +23,7 @@ func SendEmailMessage(message *model.Message, user *model.User, channel_ *model.
 	if subject == common.SystemName || subject == "" {
 		subject = message.Description
 	} else {
-		content = fmt.Sprintf("描述：%s\n\n%s", message.Description, message.Content)
+		content = fmt.Sprintf("%s\n\n%s", message.Description, message.Content)
 	}
 	var err error
 	message.HTMLContent, err = common.Markdown2HTML(content)
diff --git a/channel/group.go b/channel/group.go
index 3c116d4..1ff6955 100644
--- a/channel/group.go
+++ b/channel/group.go
@@ -9,7 +9,12 @@ import (
 
 func SendGroupMessage(message *model.Message, user *model.User, channel_ *model.Channel) error {
 	subChannels := strings.Split(channel_.AppId, "|")
-	subTargets := strings.Split(channel_.AccountId, "|")
+	var subTargets []string
+	if message.To != "" {
+		subTargets = strings.Split(message.To, "|")
+	} else {
+		subTargets = strings.Split(channel_.AccountId, "|")
+	}
 	if len(subChannels) != len(subTargets) {
 		return errors.New("无效的群组消息配置，子通道数量与子目标数量不一致")
 	}