Widget _buildRedPointBadge(BuildContext context) {
    return Padding(
      padding: const EdgeInsets.only(left: 16),
      child: Row(
        children: [
          SizedBox(
            width: 40,
            height: 24,
            child: Stack(
              alignment: Alignment.bottomLeft,
              children: [
                TDText(
                  '消息',
                  font: TDTheme.of(context).fontBodyLarge,
                ),
                const Positioned(
                  child: TDBadge(TDBadgeType.redPoint),
                  right: 0,
                  top: 0,
                )
              ],
            ),
          ),
          const SizedBox(
            width: 40,
          ),
          SizedBox(
            width: 27,
            height: 27,
            child: Stack(
              alignment: Alignment.bottomLeft,
              children: const [
                Icon(TDIcons.notification),
                Positioned(
                  child: TDBadge(TDBadgeType.redPoint),
                  right: 0,
                  top: 0,
                )
              ],
            ),
          ),
          const SizedBox(
            width: 40,
          ),
          SizedBox(
            width: 83,
            height: 51,
            child: Stack(
              alignment: Alignment.bottomLeft,
              children: const [
                TDButton(
                  width: 80,
                  height: 48,
                  text: '按钮',
                  size: TDButtonSize.large,
                  type: TDButtonType.fill,
                ),
                Positioned(
                  child: TDBadge(TDBadgeType.redPoint),
                  right: 0,
                  top: 0,
                )
              ],
            ),
          ),
        ],
      ),
    );
  }