无法对卸载的组件执行React状态更新[Switch语句]

import React, { Component } from 'react';
import axios from 'axios';

class MyComponent extends Component {
  constructor(props) {
    super(props);
    this.state = {
      data: null
    };
    this.cancelTokenSource = axios.CancelToken.source();
  }

  componentDidMount() {
    axios.get('https://api.example.com/data', {
      cancelToken: this.cancelTokenSource.token
    })
      .then(response => {
        this.setState({ data: response.data });
      })
      .catch(error => {
        if (axios.isCancel(error)) {
          console.log('Request canceled', error.message);
        } else {
          console.log('Error', error.message);
        }
      });
  }

  componentWillUnmount() {
    this.cancelTokenSource.cancel('Component is being unmounted');
  }

  render() {
    return (
      <div>
        {/* 组件的渲染内容 */}
      </div>
    );
  }
}

export default MyComponent;