我正在使用react material design和redux，并且我有一个类组件。我正在尝试添加一些自定义样式到rmd speeddial组件，这是我的组件：

import React, { Component } from 'react';
import { connect } from 'react-redux';
import { withStyles, makeStyles } from '@material-ui/core/styles';
import { SpeedDial, SpeedDialIcon, SpeedDialAction } from '@material-ui/lab';

const useStyles = makeStyles((theme) => ({
    speedDial: {
        position: 'absolute'
      }
}));

const actions = [...]

class ToolBar extends Component {

    render() {
        let { classes } = this.props;
        return (
            <SpeedDial
                ariaLabel="SpeedDial Tools"
                icon={<SpeedDialIcon />}
                className={classes.speedDial}
                open={this.state.open}>
                {actions.map((action) => (
                    <SpeedDialAction
                        key={action.name}
                        icon={action.icon}
                        tooltipTitle={action.name}
                    />
                ))}
            </SpeedDial>
        )
    }
}

const mapStateToProps = state => ({...})
export default connect(mapStateToProps, null)(withStyles(useStyles)(ToolBar))

我已经根据rmd文档为主题配置做了所有其他的事情，但这是我得到的结果：

类将被添加，但css不会正确呈现