react js material ui treeView更改树项目标签的文本颜色

import { TreeView, TreeItem } from '@material-ui/lab';

const CustomTreeView = () => {
  return (
    <TreeView>
      <TreeItem nodeId="1" label="Item 1" style={{ color: 'red' }}>
        <TreeItem nodeId="2" label="Item 2" style={{ color: 'blue' }} />
      </TreeItem>
    </TreeView>
  );
};

export default CustomTreeView;

import { createMuiTheme, ThemeProvider } from '@material-ui/core';
import { TreeView, TreeItem } from '@material-ui/lab';

const theme = createMuiTheme({
  overrides: {
    MuiTreeItem: {
      label: {
        color: 'red',
      },
    },
  },
});

const CustomTreeView = () => {
  return (
    <ThemeProvider theme={theme}>
      <TreeView>
        <TreeItem nodeId="1" label="Item 1">
          <TreeItem nodeId="2" label="Item 2" />
        </TreeItem>
      </TreeView>
    </ThemeProvider>
  );
};

export default CustomTreeView;