问Chart.js图例位置误差

EN

var myChart = new Chart(ctx, {
        type: 'pie',
        data: {
            labels: optionLabels,
            datasets: [{
                label: '# of Resources',
                data: optionData,
                backgroundColor: optionColor,
                borderColor: "white",
                borderWidth: 1,

            }]
        },
        options: {
            legend: {
                position: 'left'
            }
        }
    });