diff --git a/internal/api/msg.go b/internal/api/msg.go
index fc235354c..b21e792db 100644
--- a/internal/api/msg.go
+++ b/internal/api/msg.go
@@ -248,24 +248,44 @@ func (m *MessageApi) SendMessage(c *gin.Context) {
 
 func (m *MessageApi) SendBusinessNotification(c *gin.Context) {
 	req := struct {
-		Key        string `json:"key"`
-		Data       string `json:"data"`
-		SendUserID string `json:"sendUserID" binding:"required"`
-		RecvUserID string `json:"recvUserID" binding:"required"`
+		Key              string `json:"key"`
+		Data             string `json:"data"`
+		SendUserID       string `json:"sendUserID" binding:"required"`
+		RecvUserID       string `json:"recvUserID"`
+		RecvGroupID      string `json:"recvGroupID"`
+		SendMsg          bool   `json:"sendMsg"`
+		ReliabilityLevel *int   `json:"reliabilityLevel"`
 	}{}
 	if err := c.BindJSON(&req); err != nil {
 		apiresp.GinError(c, errs.ErrArgs.WithDetail(err.Error()).Wrap())
 		return
 	}
-
+	if req.RecvUserID == "" && req.RecvGroupID == "" {
+		apiresp.GinError(c, errs.ErrArgs.WrapMsg("recvUserID and recvGroupID cannot be empty at the same time"))
+		return
+	}
+	if req.RecvUserID != "" && req.RecvGroupID != "" {
+		apiresp.GinError(c, errs.ErrArgs.WrapMsg("recvUserID and recvGroupID cannot be set at the same time"))
+		return
+	}
+	var sessionType int32
+	if req.RecvUserID != "" {
+		sessionType = constant.SingleChatType
+	} else {
+		sessionType = constant.ReadGroupChatType
+	}
+	if req.ReliabilityLevel == nil {
+		req.ReliabilityLevel = datautil.ToPtr(1)
+	}
 	if !authverify.IsAppManagerUid(c, m.imAdminUserID) {
 		apiresp.GinError(c, errs.ErrNoPermission.WrapMsg("only app manager can send message"))
 		return
 	}
 	sendMsgReq := msg.SendMsgReq{
 		MsgData: &sdkws.MsgData{
-			SendID: req.SendUserID,
-			RecvID: req.RecvUserID,
+			SendID:  req.SendUserID,
+			RecvID:  req.RecvUserID,
+			GroupID: req.RecvGroupID,
 			Content: []byte(jsonutil.StructToJsonString(&sdkws.NotificationElem{
 				Detail: jsonutil.StructToJsonString(&struct {
 					Key  string `json:"key"`
@@ -274,12 +294,12 @@ func (m *MessageApi) SendBusinessNotification(c *gin.Context) {
 			})),
 			MsgFrom:     constant.SysMsgType,
 			ContentType: constant.BusinessNotification,
-			SessionType: constant.SingleChatType,
+			SessionType: sessionType,
 			CreateTime:  timeutil.GetCurrentTimestampByMill(),
 			ClientMsgID: idutil.GetMsgIDByMD5(mcontext.GetOpUserID(c)),
 			Options: config.GetOptionsByNotification(config.NotificationConfig{
-				IsSendMsg:        false,
-				ReliabilityLevel: 1,
+				IsSendMsg:        req.SendMsg,
+				ReliabilityLevel: *req.ReliabilityLevel,
 				UnreadCount:      false,
 			}),
 		},