reactjs - 无效的道具/上下文`relay`

Question

我做了一个新鲜的npm install，突然收到以下错误

warning.js?8a56:44 Warning: Failed context type: Invalid prop/context relay supplied to Relay(FilesPage), expected undefined to be an object conforming to the RelayEnvironment interface.
    in Relay(FilesPage) (created by RouterContext)
    in div (created by Row)
    in Row (created by Column)
    in Column (created by App)
    in div (created by StyleRoot)
    in StyleRoot (created by App)
    in Provider (created by App)
    in App (created by AppWithStore)
    in Provider (created by AppWithStore)
    in AppWithStore (created by RouterContext)
    in RouterContext (created by Router)
    in Router (created by Root)
    in Root

这是我的根容器

const Root = () => (
  <Provider store={store}>
    <Router
      history={browserHistory}
      routes={routes}
      onReadyStateChange={readyState => {
        console.log(99, readyState)
        if (!readyState.done) store.dispatch(toggleLoading(true))
        else store.dispatch(toggleLoading(false))
      }}
      render={applyRouterMiddleware(useRelay)}
      environment={Relay.Store}
    />
  </Provider>
)