swiper双向控制遇到的问题

<!DOCTYPE html>
<html lang="en">

<head>
  <meta charset="utf-8" />
  <title>Swiper demo</title>
  <meta name="viewport" content="width=device-width, initial-scale=1, minimum-scale=1, maximum-scale=1" />
  <!-- Link Swiper's CSS -->
  <link rel="stylesheet" href="./swiper-bundle.min.css" />

  <!-- Demo styles -->
  <style>
    html,
    body {
      position: relative;
      height: 100%;
    }

    body {
      background: #eee;
      font-family: Helvetica Neue, Helvetica, Arial, sans-serif;
      font-size: 14px;
      color: #000;
      margin: 0;
      padding: 0;
    }

    .swiper {
      width: 100%;
      height: 100%;
    }

    .swiper-slide {
      text-align: center;
      font-size: 18px;
      background: #fff;

      /* Center slide text vertically */
      display: -webkit-box;
      display: -ms-flexbox;
      display: -webkit-flex;
      display: flex;
      -webkit-box-pack: center;
      -ms-flex-pack: center;
      -webkit-justify-content: center;
      justify-content: center;
      -webkit-box-align: center;
      -ms-flex-align: center;
      -webkit-align-items: center;
      align-items: center;
    }

    .swiper-slide img {
      display: block;
      width: 100%;
      height: 100%;
      object-fit: cover;
    }

    body {
      background: #eee;
    }

    .swiper {
      width: 100%;
      height: 300px;
      margin: 20px 0;
    }
  </style>
</head>

<body>
  <!-- Swiper -->
  <div class="swiper mySwiper">
    <div class="swiper-wrapper">
      <div class="swiper-slide">Slide 1</div>
      <div class="swiper-slide">Slide 2</div>
      <div class="swiper-slide">Slide 3</div>
      <div class="swiper-slide">Slide 4</div>
      <div class="swiper-slide">Slide 5</div>
      <div class="swiper-slide">Slide 6</div>
      <div class="swiper-slide">Slide 7</div>
      <div class="swiper-slide">Slide 8</div>
      <div class="swiper-slide">Slide 9</div>
    </div>
    <div class="swiper-pagination"></div>
  </div>
  <div class="swiper mySwiper2">
    <div class="swiper-wrapper">
      <div class="swiper-slide">Slide 1</div>
      <div class="swiper-slide">Slide 2</div>
      <div class="swiper-slide">Slide 3</div>
      <div class="swiper-slide">Slide 4</div>
      <div class="swiper-slide">Slide 5</div>
      <div class="swiper-slide">Slide 6</div>
      <div class="swiper-slide">Slide 7</div>
      <div class="swiper-slide">Slide 8</div>
      <div class="swiper-slide">Slide 9</div>
    </div>
    <div class="swiper-pagination"></div>
  </div>

  <!-- Swiper JS -->
  <script src="./swiper-bundle.min.js"></script>

  <!-- Initialize Swiper -->
  <script>
    // var swiper = new Swiper(".mySwiper", {
    //   spaceBetween: 30,
    //   pagination: {
    //     el: ".swiper-pagination",
    //     clickable: true,
    //   },
    // });
    // var swiper2 = new Swiper(".mySwiper2", {
    //   spaceBetween: 30,
    //   pagination: {
    //     el: ".swiper-pagination",
    //     clickable: true,
    //   },
    // });
    // var swiper3 = new Swiper(".mySwiper3", {
    //   spaceBetween: 30,
    //   pagination: {
    //     el: ".swiper-pagination",
    //     clickable: true,
    //   },
    // });

    /*
        如果想要第一个控制第二个 
        那么需要先将第二个swiper进行初始化，
        否则第一个swiper在设置时会报错说swiper2未定义
    */
    var Swiper2 = new Swiper('.mySwiper', {
      slidesPerView: 3, //设置slider容器能够同时显示的slides数量，可以设置数字
      spaceBetween: 20, //两个slide之间的距离
      centeredSlides: true, //滑块居中模式
      loop: true, //是否循环
      slideToClickedSlide: true, //设置为true则点击slide会过渡到这个slide。
      // breakpoints: {
      //   1024: { //大于等于1024时
      //     slidesPerView: 5,
      //     spaceBetween: 20
      //   },
      //   1150: { //大于等于1150时
      //     slidesPerView: 5,
      //     spaceBetween: 30
      //   }
      // }
    })
    var Swiper1 = new Swiper('.mySwiper2', {
      slidesPerView: 1,
      spaceBetween: 20,
      loop: true,
      centeredSlides: true,
      slideToClickedSlide: true,
      navigation: { //使用前进后退按钮
        nextEl: '.swiper-button-next',
        prevEl: '.swiper-button-prev',
      },
      //设置双向控制的参数，或者true使用默认设置
      //还需要设置control为swiper实例，控制该swiper，而不是被该swiper控制
      controller: {
        control: Swiper2, //这里需要在Swiper2的初始化完成之后
      },
      // breakpoints: {
      //   1024: { //大于等于1024时
      //     slidesPerView: 3,
      //     spaceBetween: 30
      //   }
      // }
    })
    Swiper2.controller.control = Swiper1; //Swiper2控制Swiper1，需要初始化Swiper1之后
    Swiper1.controller.control = Swiper2; //Swiper1控制Swiper2，需要初始化Swiper2之后
  </script>
</body>

</html>

img

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引用的swiper 双向控制时上方三块和下方一块有些对应不上