react路由

Question

<Index location={location}>{        routes.map(r => {          console.log(r)            return(              <Route                 key={r.path}                 exact                 path={r.path}                 component={r.component}               />             )           }}<Index>报错Uncaught Error: Objects are not valid as a React child (found: [object Promise]). If you meant to render a collection of children, use an array instead.其中routes=[{path: '/app/ui/buttons', component: () =>import('../components/buttons')},{path: '/app/ui/icons', component: () =>import('../components/icons')}...]