如何修复bootstrap4中的旋转木马字幕？

<div id="myCarousel" class="carousel slide" data-ride="carousel">
  <!-- 内容 -->
</div>

<ol class="carousel-indicators">
  <li data-target="#myCarousel" data-slide-to="0" class="active"></li>
  <li data-target="#myCarousel" data-slide-to="1"></li>
  <li data-target="#myCarousel" data-slide-to="2"></li>
</ol>

<div class="carousel-inner">
  <div class="carousel-item active">
    <!-- 第一张轮播项的内容 -->
  </div>
  <div class="carousel-item">
    <!-- 第二张轮播项的内容 -->
  </div>
  <div class="carousel-item">
    <!-- 第三张轮播项的内容 -->
  </div>
</div>

<a class="carousel-control-prev" href="#myCarousel" role="button" data-slide="prev">
  <span class="carousel-control-prev-icon" aria-hidden="true"></span>
  <span class="sr-only">Previous</span>
</a>
<a class="carousel-control-next" href="#myCarousel" role="button" data-slide="next">
  <span class="carousel-control-next-icon" aria-hidden="true"></span>
  <span class="sr-only">Next</span>
</a>

$('#myCarousel').carousel();

<div class="carousel-item active">
  <img src="image.jpg" alt="Image">
  <div class="carousel-caption">
    <h3>Title</h3>
    <p>Description</p>
  </div>
</div>