import React, { Component } from 'react';
import DocumentTitle from 'react-document-title';

import icon01 from '../assets/gradeDesc/01.png';
import icon02 from '../assets/gradeDesc/02.png';
import icon03 from '../assets/gradeDesc/03.png';

class Index extends Component {
  constructor(props) {
    super(props);
    this.state = {};
  }
  componentWillMount = () => {};

  componentDidMount = () => {};
  componentWillUnmount = () => {};

  render() {
    return (
      <DocumentTitle title="升级攻略">
        <div>
          <img
            style={{ display: 'block', width: '100%', height: 'auto' }}
            src={icon01}
            alt="升级攻略"
          ></img>
          <img
            style={{ display: 'block', width: '100%', height: 'auto' }}
            src={icon02}
            alt="升级攻略"
          ></img>
          <img
            style={{ display: 'block', width: '100%', height: 'auto' }}
            src={icon03}
            alt="升级攻略"
          ></img>
        </div>
      </DocumentTitle>
    );
  }
}

export default Index;