Chart.js删除饼图中的零值扇区

var ctx = document.getElementById('myChart').getContext('2d');
var myChart = new Chart(ctx, {
    type: 'pie',
    data: {
        labels: ['A', 'B', 'C', 'D'],
        datasets: [{
            data: [10, 0, 20, 30],
            backgroundColor: ['red', 'green', 'blue', 'yellow']
        }]
    }
});

var data = [10, 0, 20, 30];
var filteredData = data.filter(function(value) {
    return value !== 0;
});

var ctx = document.getElementById('myChart').getContext('2d');
var myChart = new Chart(ctx, {
    type: 'pie',
    data: {
        labels: ['A', 'C', 'D'],
        datasets: [{
            data: [10, 20, 30],
            backgroundColor: ['red', 'blue', 'yellow']
        }]
    }
});