Widget _checkStyle(BuildContext context) {
    return Column(
      children: [
        TDCheckboxGroupContainer(
          style: TDCheckboxStyle.check,
          selectIds: const ['index:0'],
          child: const TDCheckbox(
            id: 'index:0',
            title: '多选',
          ),
        ),
        const SizedBox(
          height: 17,
        ),
        TDCheckboxGroupContainer(
          style: TDCheckboxStyle.square,
          selectIds: const ['index:0'],
          child: const TDCheckbox(
            id: 'index:0',
            title: '多选',
          ),
        )
      ],
    );
  }