chart.axis('xFieldName', {
  line: {
    top: true
  }
});

chart.axis('your data field name', {
  line: {
    lineWidth: 1, 
    stroke: '#ccc' 
  },
  labelOffset: 20, 
  tickLine: {
    lineWidth: 1,
    stroke: '#ccc',
    length: 5
  },
  // highlight for grid line at 0%
  grid: (text, index, total) => {
    if(text === '0%') {
      return {
        stroke: '#efefef'
      };
    }
    return {
      stroke: '#f7f7f7'
    }
  },
  label: (text, index, total) => {
    const cfg = {
      textAlign: 'center'
    };
    if (index === 0) {
      cfg.textAlign = 'start';
    }
    if (index > 0 && index === total - 1) {
      cfg.textAlign = 'end';
    }
    cfg.text = text + '%';  // cfg.text supports text formatting
    return cfg;
  }
});

chart.axis('value', {
    /**
     * @param  {String} text the text string of label
     * @param  {number} index index order
     * @param  {number} total the total numbers of label
     * @return {Object} cfg return the configuration object
     */
    label: function label(text, index, total) {
      var number = parseInt(text);
      var cfg = {};
      if (number > 0) {
        cfg.text = '+' + text;
        cfg.fill = '#F5222D';
      } else if (number === 0) {
        cfg.fill = '#000';
        cfg.fontWeight = 'bold';
      } else {
        cfg.fill = '#52C41A';
      }
      return cfg;
    }
  });

chart.axis('value', {
  /**
   * @param  {String} text the text string of grid
   * @param  {number} index index order
   * @param  {number} total the total numbers of grid
   * @return {Object} cfg return the configuration object
   */
  grid: function grid(text, index, total) {
    if (text === '0') {
      return {
        lineDash: null,
        lineWidth: 1
      };
    }
  }
});