在发现包时将laravel app推送到heroku中的表格未定义 .

这是我的代码 .

<?php

namespace App\Providers;

use Illuminate\Support\ServiceProvider;

use App\Year;
class AppServiceProvider extends ServiceProvider
{
    /**
     * Bootstrap any application services.
     *
     * @return void
     */
    public function boot()
    {
        //
    $years = Year::pluck('name', 'id');
view()->share(compact('years'));


}

/**
 * Register any application services.
 *
 * @return void
 */
public function register()
{
    //
}
}

Erroor:SQLSTATE [42P01]:未定义的表:7错误:关系"years"不存在
remote:LINE 1:从"years"中选择"name","id"