{    path: "/regularinvestment",    component: Loadable({      loader: () => import('./../../business/Regularinvestment/index'),      loading: PageLoading    }),    title: "這是自定義的標題"  }

  const RouteWithSubRoutes = route => {    return (      <Route        exact        path={route.path}        render={props => {          document.title = route.title || "默認title";          return <route.component {...props} routes={route.routes}></route.component>        }}      />    );  };    export default () => {    return allRouters.map((route, i) => {      return <RouteWithSubRoutes key={i} {...route}/>    })  };