   text: document.getElementById('subShadowRocketSubscriptionLink').textContent,
            width: 200,
            height: 200
        });

        getQrCodeWg();
    }

    function copyText(elem) {
        const textarea = document.getElementById(elem);
        textarea.select();
        document.execCommand('copy');
        showToast("已复制到剪贴板");
    }


    function showToast(message) {
        const toast = document.getElementById('toast');
        toast.textContent = message;
        to