docs: function () {
          const menu = this.menu
          const $container = this.$container
          if ($container) {
              $container.remove()
          }
  
          // 将该 menu 记录中移除
          _isCreatedPanelMenus = _isCreatedPanelMenus.filter(item => {
              if (item === menu) {
                  return false
              } else {
                  return true
              }
          })
      }