<input type="text" class="am-inline am-field-valid" name="<?= $field['field_name'] ?>" style="width: 20%" />

<a href="javascript:;" data="<?= $field['field_option'] ?>" type="submit" class="am-inline am-btn am-radius am-btn-warning <?= $field['field_name'] ?>">发送测试邮件</a>