function test(props){
  console.log(props.data)
  return(
    <button
      onClick={()=>{
               props.data[1]="changed"
               props.forms.setFieldsValue({"comid":props.data})
              }}
    >
    </button>
    {props.data.map((ele,index)=>{
      getFieldDecorator(`comid[${index}]`,{
        initialValue:ele
      })(
        <input>
      )
    })}
  )
}

//after setFieldsValue({"comid":props.data}),it excutes console.log(props.data),and props is changed, but content of comid list has no change