game-sdk/public/themes/h5wap/wap/order/failed.html

<extend name="public/base" />

<block name="title">
  <title>{$seo.title|default=$site_info.site_name.' - 订单支付失败'}</title>
</block>

<block name="main">
  <div id="payFailPop" class="pop">
    <div class="pop_body">
      <div class="payment">
        <div class="payment_head">
          <span class="payment_title">支付</span>
          <a href="javascript:;" class="payment_close icon_close"></a>
        </div>
        <div class="payment_body">
          <div class="payment_status__msg text-danger">
            <i class="payment_status__failed icon_fail"></i> 支付失败！
          </div>
          <div class="payment_status__btn">
            <button type="button" class="payment_button">继续支付</button>
          </div>
        </div>
      </div>
    </div>
  </div>
</block>

<block name="otherScript">
  <script>
    $('.payment_button').click(function () {
      window.parent.postMessage({
        type: 'frame.close'
      }, '*')
    })

    $('.payment_close').click(function () {
      window.parent.postMessage({
        type: 'frame.close'
      }, '*')
    })
  </script>
</block>