func (p *PuppetService) RoomAnnounce(roomID string) (string, error) {
    log.Tracef("PuppetService RoomAnnounce(%s)\n", roomID)
    response, err := p.grpcClient.RoomAnnounce(context.Background(), &pbwechatypuppet.RoomAnnounceRequest{
        Id: roomID,
    })