Get the value of select from the background and assign it to select, how to trigger the change event
The abbreviation of the html code is as follows:

<select v-model="resData.type" @change="supRes(resData.type)" >
    <option value="">--请选择--</option>
    <option value="2">123</option>
    <option value="3">456</option>
</select>

js code abbreviation is as follows:

axios({
  method:"get",
  url:"***",
  params:{ id : row.id }
  }).then((res)=>{
  var data = res.data.content;
  this.resData = {
      type : data.type
  }
 })
supRes:function(val){
  console.log(val)
}