想在cusSelect.vue頁面獲取到cusOptions.vue的值

/* cusSelect.vue */
<template>
  <div>
    <input type="text" v-model="value">
    <ul class="select-list" v-show="isopen">
      <slot @get-value="handleSelect"></slot>
    </ul>
  </div>
</template>

<script>
  methods: {
    // 想在此處獲取到value
    handleSelect (value) {
      this.value = value
    }
  }
</script>

/* cusOptions.vue */
<template>
  <li @click.stop="handleSelect">{{label}}</li>
</template>

<script>
  props: {
    value: String,
    label: String
  },
  methods: {
    handleSelect () {
      this.$emit('getValue', this.value)
    }
  }
</script>

/* pageA */
<cus-select :list="list">
  <cus-option
    v-for="item in warehouseGroup"
    :key="item.value"
    :label="item.label"
    :value="item.value">
  </cus-option>
</cus-select>