<Scene
                            key="switch"
                            component={connect(state=>({login:state.loginReducer.login}))(Switch)}
                            title={Consts.UserCenterPage}
                            tabs={true}
                            unmountScenes
                            // hideOnChildTabs
                            selector={props=>props.login?‘tabbar‘:‘unloginCenter‘}
                        >
    <Scene key="tabbar" />
    <Scene key="unloginCenter" />
</Scene>