code: function (force) {
      var $body = $('body');
  
      var level = force ? 1 : $body.data('lockscreen-level');
      if (level > 1) {
        $body.data('lockscreen-level', --level);
        return;
      }
  
      $body
        .data('lockscreen-level', 0)
        .removeClass('mdui-locked')
        .width('');
    }
docs: 解除屏幕锁定
  @param force 是否强制解锁屏幕