<t-radio-group default-value="0" borderless t-class="box">
  <t-radio block="{{false}}" label="单选标题" value="0" />
  <t-radio block="{{false}}" label="单选标题" value="1" />
  <t-radio block="{{false}}" label="上限四字" value="2" />
</t-radio-group>
