qrcode设置为table时谷歌浏览器二维码变形怎么解决

jquery.qrcode.js 设置显示方式为table时在谷歌上变形怎么解决

支持canvas设置为canvas。。谷歌table有问题

     document.write('<canvas id="canv" style="display:none"></canvas>');
    var supportCanvas = !!document.getElementById('canv').getContext;
        $('#xxxxx').qrcode({  render: supportCanvas ? 'canvas' : 'table'............