Laravel 5 在Laravel validator中为嵌套属性使用自定义错误消息

我正在验证Laravel（5.2）中的嵌套属性

在我的自定义验证语言中，文件标题起作用，但

author.name

和

author.description

不起作用

'custom' => [
    'title' => [
        'required' => 'The title is required',
    ],
    'author.name' => [
        'required' => 'Name is required',
    ],
    'author.description' => [
        'required' => 'Description is required',
    ],
],

---

所有属性都应位于子数组中

'custom' => [
    'title' => [
        'required' => 'The title is required',
    ],
    'author' => [
        'name' => [
            'required' => 'Name is required',
        ],
        'description' => [
            'required' => 'Description is required',
        ],
    ],
],

'custom' => [
    'title' => [
        'required' => 'The title is required',
    ],
    'author' => [
        'name' => [
            'required' => 'Name is required',
        ],
        'description' => [
            'required' => 'Description is required',
        ],
    ],
],