rc = data.logoIcon;
                }
                if (data.description && data.description != null) {
                    document.getElementById('logo-name').innerHTML = data.description;
                }
                if (data.footer && data.footer != null) {
                    document.title = data.footer;
                }
            },
            error: function () {
                alert('获取数据失败');
            }
        });
    }

    function screenSize() {
        try {
       