vuefilemanager/database/migrations/2020_11_22_101014_create_traffic_table.php

<?php

use Illuminate\Database\Migrations\Migration;
use Illuminate\Database\Schema\Blueprint;
use Illuminate\Support\Facades\Schema;

class CreateTrafficTable extends Migration
{
    /**
     * Run the migrations.
     *
     * @return void
     */
    public function up()
    {
        Schema::create('traffic', function (Blueprint $table) {
            $table->bigInteger('user_id');
            $table->bigInteger('upload')->default(0);
            $table->bigInteger('download')->default(0);
            $table->timestamps();
        });
    }

    /**
     * Reverse the migrations.
     *
     * @return void
     */
    public function down()
    {
        Schema::dropIfExists('traffics');
    }
}