ReactDOM.render(
    <Router history={browserHistory}>
        <Route path="/path1" component={App1}>
            <Route path="/subpath1" component={Layout1} />
            <Route path="/subpath2" component={Layout2} />
        </Route>
        <Route path="/path2" component={App2}>
            <Route path="/subpath1" component={Layout3} />
            <Route path="/subpath2" component={Layout4} />
        </Route>
    </Router>,
    document.getElementById('app')
);