我这个输出之后没有显示省略号

# 具体遇到的问题

# 报错信息的截图

# 相关课程内容截图

# 尝试过的解决思路和结果

# 粘贴全部相关代码，切记添加代码注释（请勿截图）

<template>
  <div class="wrapper">
    <div class="position">
      <span class="iconfont position__icon"></span>
      北京理工大学国防科技园2号楼10层你舔打打打打
      <span class="iconfont position__notice"></span>
    </div>
  </div>
  <div class="docker">
    <span class="docker__item docker__item--active">
      <div class="iconfont"></div>
      <div class="docker__title">首页</div>
    </span>
    <span class="docker__item">
      <div class="iconfont"></div>
      <div class="docker__title">购物车</div>
    </span>
    <span class="docker__item">
      <div class="iconfont"></div>
      <div class="docker__title">订单</div>
    </span>
    <span class="docker__item">
      <div class="iconfont"></div>
      <div class="docker__title">我的</div>
    </span>
  </div>
</template>

<style lang="scss">
.docker {
  box-sizing: border-box;
  display: flex;
  width: 100%;
  height: 0.49rem;
  padding: 0 0.18rem;
  position: absolute;
  left: 0;
  bottom: 0;
  border-top: 0.01rem solid #f1f1f1;
  &__item {
    flex: 1;
    text-align: center;
    .iconfont {
      font-size: 0.2rem;
      margin: 0.07rem 0 0.02rem 0;
    }
    &--active {
      color: #1fa4fc;
    }
  }
  &__title {
    font-size: 0.18rem;
    transform: scale(0.5, 0.5);
    transform-origin: center top;
  }
}
.wrapper {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0.49rem;
  padding: 0 0.18rem;
  .position {
    overflow: hidden;
    position: relative;
    padding: 0.18rem 0;
    font-size: 0.16rem;
    line-height: 0.22rem;
    white-space: nowrap;
    text-overflow: ellipsis;
    .position__icon {
      font-size: 0.2rem;
      position: relative;
      top: 0.01rem;
    }
    .position__notice {
      font-size: 0.2rem;
      position: absolute;
      padding: 0.18rem 0;
      top: 0.01rem;
      right: 0;
    }
  }
}
</style>