.tntd-cascader-dropdown{
    .tntd-cascader-menu {
        padding:0;
      .rc-virtual-list {
        width: 140px;
      }

      .rc-virtual-list-full {
        width: auto;
      }

      .tntd-cascader-menu-item {
        display: flex;
        line-height: 22px;
        padding: 5px 12px;
        .tntd-cascader-menu-item-content {
          flex: 1;
          overflow: hidden;
          white-space: nowrap;
          text-overflow: ellipsis;
        }
      }
    }

}