Livewire表单遇到问题！没有验证的消息？Laravel 10版本

创建了一个组件：

php artisan make:livewire SignUpForm

模块如下：

<?php

namespace App\Http\Livewire;

use Livewire\Component;

class SignUpForm extends Component
{
    public $name;
    public $email;
    public $password;
    public $password_confirmation;

    protected $rules = [
        'name' => 'required|min:3',
        'email' => 'required|email|unique:users,email',
        'password' => 'required|min:6|confirmed',
    ];

    public function updated($propertyName): void
    {
        $this->validateOnly($propertyName);
    }

    public function submitForm(): string
    {
        $this->validate();
        dd('我就看看');
    }

    public function render(): \Illuminate\Contracts\View\View|\Illuminate\Foundation\Application|\Illuminate\Contracts\View\Factory|\Illuminate\Contracts\Foundation\Application
    {
        return view('livewire.sign-up-form');
    }
}

视图如下：

<!-- /d:/larave/resources/views/livewire/sign-up-form.blade.php -->

<div>
    <form wire:submit.prevent="submitForm">
        <div class="relative flex mb-6">
            <label for="name">Name:</label>
            <input type="text" id="name" wire:model="name" autocomplete="new-password">
            @error('name') <span>{{ $message }}</span> @enderror
        </div>

        <div class="relative flex mb-6">
            <label for="email">Email:</label>
            <input type="email" id="email" wire:model="email" autocomplete="new-password">
            @error('email') <span>{{ $message }}</span> @enderror
        </div>

        <div class="relative flex mb-6">
            <label for="password">Password:</label>
            <input type="password" id="password" wire:model="password" autocomplete="new-password">
            @error('password') <span>{{ $message }}</span> @enderror
        </div>

        <div class="relative flex mb-6">
            <label for="password_confirmation">Confirm Password:</label>
            <input type="password" id="password_confirmation" wire:model="password_confirmation" autocomplete="new-password">
        </div>

        <button type="submit">Submit</button>
    </form>
</div>

页面<livewire:sign-up-form />正常渲染了表单，但是我点击提交按钮，页面闪了下，没有出现任何错误提示？ 请教下各位大神是什么原因？