我有验证码
<svg class="circle-chart in-view" version="1.1" viewBox="0 0 33.83098862 33.83098862" width="200" height="200" xmlns="http://www.w3.org/2000/svg">
<circle class="circle-chart-background" stroke="#efefef" stroke-width="2" fill="none" cx="16.91549431" cy="16.91549431" r="15.91549431"></circle>
<defs>
<pattern id="image2" patternUnits="userSpaceOnUse" height="100" width="100">
<image xlink:href="/hoangnguyenwp/wp-content/themes/hoangnguyenwp/images/web-shop.png" x="50%" y="50%" height="32" width="32" transform="translate(-35.5,-31)"></image>
</pattern>
</defs>
<circle class="circle-chart-circle circle-shop" stroke="#E91E63" stroke-width="2" stroke-linecap="round" fill="url(#image2)" cx="16.91549431" cy="16.91549431" r="15.91549431"></circle>
</svg>
图像在圆圈内
<defs>
<pattern id="image2" patternUnits="userSpaceOnUse" height="100" width="100">
<image xlink:href="/hoangnguyenwp/wp-content/themes/hoangnguyenwp/images/web-shop.png" x="50%" y="50%" height="32" width="32" transform="translate(-35.5,-31)"></image>
</pattern>
</defs>
但是在手机上没有显示图片 我的代码有什么问题？