func (p *PuppetService) RoomDel(roomID, contactID string) error {
    log.Tracef("PuppetService roomDel(%s, %s)\n", roomID, contactID)
    _, err := p.grpcClient.RoomDel(context.Background(), &pbwechatypuppet.RoomDelRequest{
        Id:        roomID,
        ContactId: contactID,