我的问题中有一个选项卡和子选项卡。在每个子标签中，我要运行轮播。 Carousel在第一个标签中工作正常，但是当我切换到其他标签时，它无法工作。我不知道问题出在哪里。
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<title>Document</title>
<link rel="stylesheet" href="https://stackpath.bootstrapcdn.com/bootstrap/4.5.2/css/bootstrap.min.css">
</head>
<body>
<div class="container">
<ul class="nav nav-pills mb-3" id="pills-tab" role="tablist">
<li class="nav-item" role="presentation">
<a class="nav-link active" id="pills-home-tab" data-toggle="pill" href="#pills-home" role="tab"
aria-controls="pills-home" aria-selected="true">Parent-tab-1</a>
</li>
<li class="nav-item" role="presentation">
<a class="nav-link" id="pills-profile-tab" data-toggle="pill" href="#pills-profile" role="tab"
aria-controls="pills-profile" aria-selected="false">Parent-tab-2</a>
</li>
</ul>
<div class="tab-content" id="pills-tabContent">
<div class="tab-pane fade show active" id="pills-home" role="tabpanel" aria-labelledby="pills-home-tab">
<ul class="nav nav-tabs" id="myTab" role="tablist">
<li class="nav-item" role="presentation">
<a class="nav-link active" id="home-tab" data-toggle="tab" href="#home" role="tab"
aria-controls="home" aria-selected="true">child-1_1</a>
</li>
<li class="nav-item" role="presentation">
<a class="nav-link" id="profile-tab" data-toggle="tab" href="#profile" role="tab"
aria-controls="profile" aria-selected="false">child-1_2</a>
</li>
<li class="nav-item" role="presentation">
<a class="nav-link" id="contact-tab" data-toggle="tab" href="#contact" role="tab"
aria-controls="contact" aria-selected="false">child-1_3</a>
</li>
</ul>
<div class="tab-content" id="myTabContent">
<div class="tab-pane fade show active" id="home" role="tabpanel" aria-labelledby="home-tab">
<div id="carouselExampleIndicators" class="carousel slide" data-ride="carousel">
<ol class="carousel-indicators">
<li data-target="#carouselExampleIndicators" data-slide-to="0" class="active"></li>
<li data-target="#carouselExampleIndicators" data-slide-to="1"></li>
<li data-target="#carouselExampleIndicators" data-slide-to="2"></li>
</ol>
<div class="carousel-inner">
<div class="carousel-item active">
<img src="https://source.unsplash.com/1400x600/?shoes" alt="">
</div>
<div class="carousel-item">
<img src="https://source.unsplash.com/1400x600/?shoes" alt="">
</div>
<div class="carousel-item">
<img src="https://source.unsplash.com/1400x600/?shoes" alt="">
</div>
</div>
<a class="carousel-control-prev" href="#carouselExampleIndicators" 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="#carouselExampleIndicators" role="button"
data-slide="next">
<span class="carousel-control-next-icon" aria-hidden="true"></span>
<span class="sr-only">Next</span>
</a>
</div>
</div>
<div class="tab-pane fade" id="profile" role="tabpanel" aria-labelledby="profile-tab">
<div id="carouselExampleIndicators" class="carousel slide" data-ride="carousel">
<ol class="carousel-indicators">
<li data-target="#carouselExampleIndicators" data-slide-to="0" class="active"></li>
<li data-target="#carouselExampleIndicators" data-slide-to="1"></li>
<li data-target="#carouselExampleIndicators" data-slide-to="2"></li>
</ol>
<div class="carousel-inner">
<div class="carousel-item active">
<img src="https://source.unsplash.com/1400x600/?shoes" alt="">
</div>
<div class="carousel-item">
<img src="https://source.unsplash.com/1400x600/?shoes" alt="">
</div>
<div class="carousel-item">
<img src="https://source.unsplash.com/1400x600/?shoes" alt="">
</div>
</div>
<a class="carousel-control-prev" href="#carouselExampleIndicators" 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="#carouselExampleIndicators" role="button"
data-slide="next">
<span class="carousel-control-next-icon" aria-hidden="true"></span>
<span class="sr-only">Next</span>
</a>
</div>
</div>
<div class="tab-pane fade" id="contact" role="tabpanel" aria-labelledby="contact-tab">
<div id="carouselExampleIndicators" class="carousel slide" data-ride="carousel">
<ol class="carousel-indicators">
<li data-target="#carouselExampleIndicators" data-slide-to="0" class="active"></li>
<li data-target="#carouselExampleIndicators" data-slide-to="1"></li>
<li data-target="#carouselExampleIndicators" data-slide-to="2"></li>
</ol>
<div class="carousel-inner">
<div class="carousel-item active">
<img src="https://source.unsplash.com/1400x600/?shoes" alt="">
</div>
<div class="carousel-item">
<img src="https://source.unsplash.com/1400x600/?shoes" alt="">
</div>
<div class="carousel-item">
<img src="https://source.unsplash.com/1400x600/?shoes" alt="">
</div>
</div>
<a class="carousel-control-prev" href="#carouselExampleIndicators" 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="#carouselExampleIndicators" role="button"
data-slide="next">
<span class="carousel-control-next-icon" aria-hidden="true"></span>
<span class="sr-only">Next</span>
</a>
</div>
</div>
</div>
</div>
<div class="tab-pane fade" id="pills-profile" role="tabpanel" aria-labelledby="pills-profile-tab">
<ul class="nav nav-pills mb-3" id="pills-tab" role="tablist">
<li class="nav-item" role="presentation">
<a class="nav-link active" id="pills-home-tab" data-toggle="pill" href="#pills-home" role="tab"
aria-controls="pills-home" aria-selected="true">child-2_1</a>
</li>
<li class="nav-item" role="presentation">
<a class="nav-link" id="pills-profile-tab" data-toggle="pill" href="#pills-profile" role="tab"
aria-controls="pills-profile" aria-selected="false">child-2_2</a>
</li>
<li class="nav-item" role="presentation">
<a class="nav-link" id="pills-contact-tab" data-toggle="pill" href="#pills-contact" role="tab"
aria-controls="pills-contact" aria-selected="false">child-2_2</a>
</li>
</ul>
<div class="tab-content" id="pills-tabContent">
<div class="tab-pane fade show active" id="pills-home" role="tabpanel"
aria-labelledby="pills-home-tab">
<img src="https://source.unsplash.com/1400x600/?shoes" alt="">
</div>
<div class="tab-pane fade" id="pills-profile" role="tabpanel" aria-labelledby="pills-profile-tab">
<img src="https://source.unsplash.com/1400x600/?shoes" alt="">
</div>
<div class="tab-pane fade" id="pills-contact" role="tabpanel" aria-labelledby="pills-contact-tab">
<img src="https://source.unsplash.com/1400x600/?shoes" alt="">
</div>
</div>
</div>
</div>
</div>
<script src="https://code.jquery.com/jquery-3.5.1.slim.min.js"></script>
<script src="https://cdn.jsdelivr.net/npm/popper.js@1.16.1/dist/umd/popper.min.js"></script>
<script src="https://stackpath.bootstrapcdn.com/bootstrap/4.5.2/js/bootstrap.min.js"></script>
</body>
</html>
任何人都可以提供示例解决方案吗？