options: {
    title: { //标题
        display: true,
        text: '访问统计',
        fontColor: "#f00",
    },
    legend: { //图例
        display: true,
        color: tick_color,
        labels: {
            fontColor: "#f00",
        }
    },
    scales: {
        xAxes: [{
            gridLines: { //网格
                color: "#f00",
            },
            ticks: { //刻度
                fontColor: "#f00",
            }
        }],
    }
}