iview中on-change使用

<RadioGroup v-model="dateRange" type="button" @on-change="clearDefinedDate">
    <Radio label="today">今天</Radio>
    <Radio label="yesterday">昨天</Radio>
    <Radio label="pastSevenDays">过去7天</Radio>
    <Radio label="pastThirtyDays">过去30天</Radio>
    <Radio label="pastNinetyDays">过去90天</Radio>
</RadioGroup>

<select v-model="f.p" @change="selpro" placeholder="sheng">
  <option :value="i" v-for="(v,i) in pro">{{v.name}}</option>
</select>