方法：

把下面的代码直接放到带有“主题页”标示的编辑框里面就可以了

<div class="card text-center">

<div class="card-header">用手机扫描二维码继续阅读</div>

<div class="card-body"><img id="qrcode" class="p-1" src=""></div>

</div>

<script type="text/javascript">

    var setting = {

        url: window.location.href,

        qrcodeApi: "<a href="https://xiunobbs.cn/gowild.htm?url=https_3A_2F_2Fwww_2ekuaizhan_2ecom_2Fcommon_2Fencode_2dpng_3Flarge_3Dtrue_26data_3D_2522_25C2_25A0_25C2_25A0_25C2_25A0_25C2_25A0_25C2_25A0_25C2_25A0_7D_25C2_25A0_25C2_25A0_25C2_25A0_25C2_25A0document_2egetElementById_28_2522qrcode_2522_29_2esrc_25C2_25A0_3D_25C2_25A0setting_2eqrcodeApi_25C2_25A0_2B_25C2_25A0urlEncode_28setting_2eurl_29_3B_25C2_25A0_25C2_25A0_25C2_25A0_25C2_25A0function_25C2_25A0urlEncode_28String_29_25C2_25A0_7B&u=1&fr=https_3A_2F_2Fxiuno_2etop_2Fthread_2d113_2ehtm" target="_blank" _href="https://www.kuaizhan.com/common/encode-png?large=true&data="      }    document.getElementById("qrcode").src = setting.qrcodeApi + urlEncode(setting.url);    function urlEncode(String) {"><span style="color:#0070c0">https://www.kuaizhan.com/common/encode-png?large=true&data="      }    document.getElementById("qrcode").src = setting.qrcodeApi + urlEncode(setting.url);    function urlEncode(String) {</span></a>

        return encodeURIComponent(String).replace(/'/g,"%27").replace(/"/g,"%22"); 

    }

</script>