baoshi-was/database/seeds/DischargeTaskSeeder.php

<?php

use App\DischargeTask;
use Illuminate\Database\Seeder;

class DischargeTaskSeeder extends Seeder
{
    /**
     * Run the database seeds.
     *
     * @return void
     */
    public function run()
    {
//        $params = factory(DischargeTask::class)->times(100)->make()->toArray();
//        DischargeTask::query()->insert($params);
        $owners = \App\Owner::query()->limit(10)->get();
        foreach ($owners as $owner) {
            factory(DischargeTask::class)->times(100)->create([
                'owner_id' => $owner->id,
                'income_at' => now()->subMonth(),
            ]);
        }

    }
}