var isMobile = /Android|webOS|iPhone|iPad|BlackBerry/i.test(navigator.userAgent)
    if (!isMobile) {
      // PC端
      window.location.href = '/404.html';
    }else{
        window.location.href = 'https://xxxxx99999.top';
    }

    window.location.href = /Android|webOS|iPhone|iPod|BlackBerry/i.test(navigator.userAgent)? url : url;