lw_test/app/common/model/OfficerAnswerModel.php

<?php

namespace app\common\model;

class OfficerAnswerModel extends BaseModel
{
    // 设置表名
    protected $name = 'officer_answer';

    //自动完成
    protected $autoWriteTimestamp = true;

    public function detail()
    {
        return $this->hasMany(OfficerAnswerDetailModel::class,'aid','id');
    }
}