class Login extends Validate
{
protected $rule = [
'username' => 'require|unique:members,username^password',
'password' => 'require',
];
protected $message = [
'username.unique' => '用户名或密码错误',
'username.require' => '用户名是必须的',
'password.require' => '密码是必须的',
];
protected $scene = [
'route' => [
'username', 'password',
]
];
}

//测试路由验证功能
Route::post('login', 'about/login')
->validate(Login::class, 'route');

unique完全不起作用啊，测试了require是起作用的啊