我在检查一个更新某个记录信息的表单的验证功能时遇到了问题，显然验证是有效的，但是它们返回了一个错误，我必须打印出来，以便您更好地了解发生了什么：
Erro image here
显然，验证工作正常，但是页面地址不是表单的地址，这就是为什么页面完全是空的，只包含验证消息。
form_update.php

<?php if (!empty($errors)): ?>
    <div class="alert alert-danger">
        <?php foreach ($errors as $error): ?>
            <li><?= $error ?></li>
        <?php endforeach; ?>
    </div>
<?php endif; ?>
<form action="<?= site_url('update/'.$hxh['id_hunter'])?>" method="POST">
    <div class="form_group">
        <div class="form_group">
            <div for="name_hunter">Nome:
                <input type="text" class="form-control" name="name_hunter" maxlength="30" value="<?= $hxh['aome_hunter'] ?>">
            </div>
        </div>
        <br>
        <div class="form_group">
            <div for="age_hunter">Idade:
                <input type="text" class="form-control" name="age_hunter" onkeypress="$(this).mask('00', {reverse: true});" value="<?= $hxh['age_hunter'] ?>">
            </div>
        </div>
        <br>
        ...
        <button type="submit" class="btn btn-primary"><i class="fa fa-arrows-rotate"></i>&nbsp;Update</button>
</form>

• HunterController.php

public function formUpdateHunter($id_hunter)
{
    try {
        $hunter = new HunterModel();
        $dados['hxh'] = $hunter->where('id_hunter', $id_hunter)->first();
        return view('form_update', $dados);
    } catch (\Exception $e) {
        exit($e->getMessage());
    }
}

public function updateHunter()
{
    try {
        helper(['form','url','html']);
        $hunter = new HunterModel();
        $id_hunter = $this->request->getPost('id_hunter');
        $dados = [
            'name_hunter' => $this->request->getPost('name_hunter'),
            'age_hunter' => $this->request->getPost('age_hunter'),
            'height_hunter' => $this->request->getPost('height_hunter'),
            'weight_hunter' => $this->request->getPost('weight_hunter'),
            'type_hunter' => $this->request->getPost('type_hunter'),
            'type_nen' => $this->request->getPost('type_nen'),
            'type_blood' => $this->request->getPost('type_blood')
        ];
        if ($hunter->update($id_hunter, $dados)){
            return $this->response->redirect(site_url('listing'));       
        } else {
            return view('form_update', ['errors' => $hunter->errors()]);
        }
    } catch (\Exception $e) {
        exit($e->getMessage());
    }
}