问物料界面:不能自定义主题

EN

import App from './App';
import MuiThemeProvider from '@material-ui/core/styles/MuiThemeProvider';
import { createMuiTheme } from '@material-ui/core/styles';
import red from '@material-ui/core/colors/red';
import purple from '@material-ui/core/colors/purple';
import green from '@material-ui/core/colors/green';

const theme = createMuiTheme({
  palette: {
    primary: green,
    secondary: green,
  },
  status: {
    danger: 'orange',
  },
});

ReactDOM.render(
  <MuiThemeProvider muiTheme={theme}>
    <App />
   </MuiThemeProvider>
  , document.getElementById('root'));

import { withTheme } from '@material-ui/core/styles'
class App extends Component {
   ...
}

export default withTheme()(App);