Widget _passThroughStyle(BuildContext context) {
    return TDRadioGroup(
      selectId: 'index:0',
      passThrough: true,
      child: ListView.builder(
        padding: const EdgeInsets.all(0),
        shrinkWrap: true,
        physics: const NeverScrollableScrollPhysics(),
        itemBuilder: (context, index) {
          var title = '单选';
          return TDRadio(
            id: 'index:$index',
            title: title,
            size: TDCheckBoxSize.large,
          );
        },
        itemCount: 4,
      ),
    );
  }