baoshi-was/database/seeds/OwnerLogisticPrintTemplateSeeder.php

<?php

use Illuminate\Database\Seeder;

class OwnerLogisticPrintTemplateSeeder extends Seeder
{
    /**
     * Run the database seeds.
     *
     * @return void
     */
    public function run()
    {
        $params = factory(\App\OwnerLogisticPrintTemplate::class)->times(20)->make()->toArray();
        foreach ($params as $param) {
            \App\OwnerLogisticPrintTemplate::query()->firstOrCreate($param);
        }
    }
}