Widget _buildCustomTopStyle(BuildContext context) {
    return TDBottomTabBar(
      TDBottomTabBarBasicType.iconText,
      topBorder: const BorderSide(color: Colors.red, width: 5),
      barHeight: 61,
      componentType: TDBottomTabBarComponentType.normal,
      useVerticalDivider: false,
      navigationTabs: [
        TDBottomTabBarTabConfig(
          selectedIcon: _selectedIcon,
          unselectedIcon: _unSelectedIcon,
          badgeConfig: BadgeConfig(
            showBadge: true,
            tdBadge: const TDBadge(TDBadgeType.redPoint),
            badgeTopOffset: -2,
            badgeRightOffset: -10,
          ),
          tabText: '标签',
          onTap: () {
            onTapTab(context, '标签1');
          },
        ),
        TDBottomTabBarTabConfig(
          selectedIcon: _selectedIcon,
          unselectedIcon: _unSelectedIcon,
          tabText: '标签',
          onTap: () {
            onTapTab(context, '标签2');
          },
        ),
        TDBottomTabBarTabConfig(
          selectedIcon: _selectedIcon,
          unselectedIcon: _unSelectedIcon,
          tabText: '标签',
          onTap: () {
            onTapTab(context, '标签3');
          },
        ),
      ],
    );
  }