highcharts 折线图缩放的（reset Zoom）button按钮怎样替换成.png图片。急！！！

https://blog.csdn.net/rnZuoZuo/article/details/42647255?utm_source=blogxgwz6

        var resetZoomImg;

        Highcharts.Chart.prototype.showResetZoom = function () {         
            var chart = this;          

            if (!resetZoomImg) {
                resetZoomImg = chart.renderer.image("https://icons.iconarchive.com/icons/ampeross/qetto-2/32/search-icon.png", chart.chartWidth - 100, 10, 32, 32) //src, x, y, width, height
                    .on('click', function () {
                        chart.zoomOut();
                        $(this).remove();
                        resetZoomImg = null;
                    })
                    .attr({
                        zIndex: 100
                    })
                    .add()   
            }                           
        }