php工匠迁移：错误

Question

$ php artisan migrate
Migration table created successfully.
In Connection.php line 647:
SQLSTATE[42000]: Syntax error or access violation: 1071 Specified key was too long; max key length is 767 bytes (SQL: alter table `users`
add unique `users_email_unique`(`email`))
In Connection.php line 449:
SQLSTATE[42000]: Syntax error or access violation: 1071 Specified key was too long; max key length is 767 bytes

有什么问题？：|

Answer 1

将此添加到AppServiceProvider.php

use Illuminate\Support\Facades\Schema;

public function boot()
{
    Schema::defaultStringLength(191);
}