ChartJS 3+ x 轴仅显示完整的时刻对象而不是仅显示月份

const gainedChart = document.getElementById('gained-chart').getContext('2d');

const gain = [74.699997, 76.580002, 81.349998, 83.000000, 85.879997, 83.120003, 77.989998, 81.279999];
const dates = ["Jan 2, 20", "Feb 3, 20", "Mar 4, 20", "Apr 5, 20", "May 6, 20", "Jun 9, 20", "Nov 10, 20", "Dec 11, 20"];

let gainData = {
  datasets: [{
    label: "Gain (%)",
    data: gain,
    borderColor: 'rgba(255, 66, 66, 1)',
    backgroundColor: 'rgba(255, 66, 66, 1)',
    pointRadius: 1.2,
    pointBackgroundColor: 'rgba(255, 66, 66, 0.8)',
    pointHoverRadius: 6,
    pointHitRadius: 20,
    pointBorderWidth: 2,

  }]
};
let gainConfig = {
  plugins: {
    legend: {
      display: true,
      position: 'top',
      labels: {
        boxWidth: 80,
        color: 'black'
      },
    },
    tooltip: {
      callbacks: {
        label: function(tooltipItem, data) {
          return parseInt(tooltipItem.parsed.y)
        }
      }
    },
  },
  scales: {
    x: {
      type: 'time',
      time: {
        minUnit: 'month'
      }
    },
    y: {
      suggestedMax: 45,
      ticks: {
        stepSize: 5,
        //max: 100
      },
    },
  },
  maintainAspectRatio: false,
  responsive: true,
};
let lineGainChart = new Chart(gainedChart, {
  type: 'line',
  data: gainData,
  options: gainConfig,
  plugins: [{
    beforeInit: function(lineGainChart) {
      for (let c = 0; c < dates.length; c++) {

        let myMoment = moment(dates[c], 'MMM D, YYYY');

        lineGainChart.data.labels.push(myMoment);
      }
    }
  }]
});

<canvas class="graph-canvas" id="gained-chart" width="400" height="400"></canvas>

<script src="https://cdn.jsdelivr.net/npm/[email protected]/moment.js"></script>
<script src="https://cdn.jsdelivr.net/npm/chart.js"></script>
<script src="https://cdn.jsdelivr.net/npm/chartjs-adapter-moment@^1"></script>