*/ protected $guarded = []; public function user() { return $this->hasOne(UserModel::class, 'id', 'user_id'); } public function provinceInfo() { return $this->hasOne(RegionModel::class, 'id', 'province'); } public function cityInfo() { return $this->hasOne(RegionModel::class, 'id', 'city'); } public function districtInfo() { return $this->hasOne(RegionModel::class, 'id', 'district'); } }