hebei-chengben-car/modules/admin/views/sysconfig/config3.php

<?php
use yii\widgets\ActiveForm;
use app\assets\CoreAsset;
$asset = CoreAsset::register($this);
$assetsUrl = $asset->baseUrl;
?>
<div class="row">
    <div class="col-12">
       <?php $form = ActiveForm::begin(['options' => ['id'=>'modal-form','class' => 'repeater layui-form form-horizontal'], 'enableClientValidation' => true]); ?>
        <div>
            <div data-repeater-item class="row mb-4">
                <div class="col-sm-12">
                    <input  type="text" name="v"  value="<?php echo $args;?>" lay-verify="required"  lay-verType="tips" class="form-control"  autocomplete="off">
                </div>
            </div>
        </div>
        <div class="mb-3 row" hidden="">
            <button class="btn btn-primary waves-effect waves-light" lay-filter="modal-form-submit" id="modal-form-submit" lay-submit="" >提交</button>
        </div>
        <?php ActiveForm::end(); ?>
    </div> <!-- end col -->
</div>