如何保持拖动项目在以前的位置，直到在vue可拖动中释放

<template>
  <div>
    <draggable v-model="items" :options="dragOptions">
      <div v-for="item in items" :key="item.id">{{ item.name }}</div>
    </draggable>
  </div>
</template>

<script>
import draggable from 'vuedraggable';

export default {
  components: {
    draggable,
  },
  data() {
    return {
      items: [
        { id: 1, name: 'Item 1' },
        { id: 2, name: 'Item 2' },
        { id: 3, name: 'Item 3' },
      ],
      dragOptions: {
        group: 'items',
        animation: 150,
        // 其他拖动选项...
      },
    };
  },
};
</script>

<template>
  <div>
    <draggable v-model="items" :options="dragOptions" @start="onDragStart" @end="onDragEnd">
      <div v-for="item in items" :key="item.id">{{ item.name }}</div>
    </draggable>
  </div>
</template>

<script>
import draggable from 'vuedraggable';

export default {
  components: {
    draggable,
  },
  data() {
    return {
      items: [
        { id: 1, name: 'Item 1' },
        { id: 2, name: 'Item 2' },
        { id: 3, name: 'Item 3' },
      ],
      dragOptions: {
        group: 'items',
        animation: 150,
        // 其他拖动选项...
      },
      initialIndex: null,
    };
  },
  methods: {
    onDragStart(event) {
      this.initialIndex = event.oldIndex;
    },
    onDragEnd(event) {
      const newIndex = event.newIndex;
      const draggedItem = this.items.splice(newIndex, 1)[0];
      this.items.splice(this.initialIndex, 0, draggedItem);
      this.initialIndex = null;
    },
  },
};
</script>