html2canvas($svg, {
 proxy: "",
 useCORS: true,
 background: "#E8F0F6",
 onrendered: function (canvas) {

            var a = document.createElement('a');
            a.download = name;
            a.href = canvas.toDataURL('image/png');
            document.body.appendChild(a);
            a.click();


        },
        width: 450,
        height: 700,

    });