fix bug: heartbeat get self notification

internal/rpc/msg/sync_msg.go

@@ -95,6 +95,7 @@ func (m *msgServer) GetMaxSeq(ctx context.Context, req *sdkws.GetMaxSeqReq) (*sd
 	for _, conversationID := range conversationIDs {
 		conversationIDs = append(conversationIDs, utils.GetNotificationConversationIDByConversationID(conversationID))
 	}
+	conversationIDs = append(conversationIDs, utils.GetSelfNotificationConversationID(req.UserID))
 	log.ZDebug(ctx, "GetMaxSeq", "conversationIDs", conversationIDs)
 	maxSeqs, err := m.MsgDatabase.GetMaxSeqs(ctx, conversationIDs)
 	if err != nil {

pkg/utils/utils.go

@@ -367,6 +367,10 @@ func GetNotificationConversationIDByConversationID(conversationID string) string
 	return ""
 }
 
+func GetSelfNotificationConversationID(userID string) string {
+	return "n_" + userID + "_" + userID
+}
+
 func GetSeqsBeginEnd(seqs []int64) (int64, int64) {
 	if len(seqs) == 0 {
 		return 0, 0