{$this->uuidKeyName} = hashEncodeId($this->id); $this->save(); } public function shops() { return $this->hasOne(ShopsModel::class, 'uid', 'sell_uid'); } public function buyUser() { return $this->hasOne(UserModel::class, 'code', 'buy_uid'); } public function sellUser() { return $this->hasOne(UserModel::class, 'code', 'sell_uid'); } }