为什么使用 Ant Design Vue 的 嵌套子表格 的时候，点了一个加号，其他不相关的加号也展开了？

<template>
  <a-page-header
    style="border: 1px solid rgb(235, 237, 240)"
    title="文本对比记录"
    sub-title="查看文本对比详情"
    :back-icon="backIcon"
    @back="navigateToRoot"
  />
  <div>
    <div>
      <a-form
        :model="formState"
        :label-col="labelCol"
        :wrapper-col="wrapperCol"
      >
        <a-form-item label="clip_url_hash">
          <a-input
            v-model:value="formState.clip_url_hash"
            placeholder="根据 clip_url_hash 筛选，可以不填"
          />
        </a-form-item>

        <a-form-item label="src_meta_uuid">
          <a-input
            v-model:value="formState.src_meta_uuid"
            placeholder="根据 src_meta_uuid 筛选，可以不填"
          />
        </a-form-item>

        <a-form-item label="company_id">
          <a-form-item name="input-number" no-style>
            <a-input-number
              v-model:value="formState['company_id']"
              placeholder="根据 company_id 筛选，可以不填"
            />
          </a-form-item>
          <span class="ant-form-text">根据 company_id 筛选，可以不填</span>
        </a-form-item>

        <a-form-item label="匹配数">
          <a-form-item name="input-number" no-style>
            <a-input-number
              v-model:value="formState['match_count_gte']"
              placeholder="请输入 match_count_gte"
            />
          </a-form-item>
          <span class="ant-form-text">
            匹配个数的下限，只显示 match_count 大于等于该值的 大于等于的推送记录
          </span>
        </a-form-item>

        <a-form-item label="limit">
          <a-form-item name="input-number" no-style>
            <a-input-number
              v-model:value="formState['limit']"
              placeholder="根据 company_id 筛选，可以不填"
            />
          </a-form-item>
          <span class="ant-form-text">(用于控制最多显示 n 行)</span>
        </a-form-item>

        <a-form-item :wrapper-col="{ span: 14, offset: 4 }">
          <a-button type="primary" @click="handleSearch">提交</a-button>
          <!-- <a-button style="margin-left: 10px">Cancel</a-button> -->
        </a-form-item>
      </a-form>
    </div>

    <a-table :columns="columns" :data-source="dataSource" :pagination="false">
      <template #expandedRowRender="{ record }">
        <a-table
          :columns="subColumns"
          :data-source="record.text_search_history_details"
          :pagination="false"
        ></a-table>
      </template>
    </a-table>
  </div>
</template>

<script>
import { h } from "vue";
import { ref } from "vue";
import { defineComponent, reactive } from "vue";
import { Table, Input, Button, InputNumber } from "ant-design-vue";
import router from "@/router";

export default {
  components: {
    "a-table": Table,
    "a-input-search": Input.Search,
    "a-button": Button,
    "a-input-number": InputNumber,
  },
  setup() {
    const dataSource = ref([]);
    const searchLoading = ref(false);
    const limit = ref(null);
    const lenParseResultListGte = ref(null);

    const subColumns = [
      { title: "ID", dataIndex: "id" },
      { title: "History ID", dataIndex: "history_id" },
      { title: "Meta UUID", dataIndex: "meta_uuid" },
      { title: "Score", dataIndex: "score" },
      { title: "Ingested", dataIndex: "ingested" },
      { title: "Has Error", dataIndex: "has_error" },
      { title: "Created At", dataIndex: "created_at" },
    ];

    const columns = [
      {
        title: "ID",
        dataIndex: "id",
      },
      {
        title: "Source Meta UUID",
        dataIndex: "src_meta_uuid",
      },
      {
        title: "Clip URL Hash",
        dataIndex: "clip_url_hash",
      },
      {
        title: "Has Error",
        dataIndex: "has_error",
        // customRender: (text) => (text ? "Yes" : "No"),
      },
      {
        title: "Keyword Task ID",
        dataIndex: "keyword_task_id",
      },
      {
        title: "Company ID",
        dataIndex: "company_id",
      },
      {
        title: "Track Source ID",
        dataIndex: "track_source_id",
      },
      {
        title: "Matched Count",
        dataIndex: "matched_count",
      },
      {
        title: "Created At",
        dataIndex: "created_at",
      },
    ];

    const handleSearch = () => {
      searchLoading.value = true; // 开始请求数据，设置 loading 状态为 true

      let queryParam = "";
      if (formState.limit !== null) {
        queryParam += `limit=${formState.limit}&`;
      }
      if (formState.match_count_gte !== null) {
        queryParam += `match_count_gte=${formState.match_count_gte}&`;
      }
      if (formState.company_id !== null) {
        queryParam += `company_id=${formState.company_id}&`;
      }
      if (formState.clip_url_hash !== null) {
        queryParam += `clip_url_hash=${formState.clip_url_hash}&`;
      }
      console.log(queryParam);
      fetch(
        `http://xxxxx.cn/history/clip_url_hash?${queryParam}`,
        {
          method: "GET",
        }
      )
        .then((response) => response.json())
        .then((data) => {
          dataSource.value = data;
        })
        .finally(() => {
          searchLoading.value = false; // 请求完成，设置 loading 状态为 false
        });
    };

    const handleJump = (keyword_task_id) => {
      const url = router.resolve({
        name: "HistoryParseMonitoring",
        query: { keyword_task_id },
      }).href;
      window.open(url, "_blank");
    };
    const formState = reactive({
      clip_url_hash: null,
      src_meta_uuid: null,
      company_id: null,
      limit: 100,
      match_count_gte: null,
    });

    const navigateToRoot = () => {
      router.push("/");
    };

    return {
      navigateToRoot,
      formState,
      dataSource,
      subColumns,
      columns,
      handleSearch,
      handleJump,
      searchLoading,
      limit,
      lenParseResultListGte,
      labelCol: {
        style: {
          width: "150px",
        },
      },
      wrapperCol: {
        span: 14,
      },
    };
  },
};
</script>

看了官方的 https://antdv.com/components/table-cn

自己写了上面的代码

但是点了加号之后，所有加号都会一起展开？？？？

为什么？

接口返回的格式如下所示：

[
  {
    "id": 43467024,
    "src_meta_uuid": "3bc3575c-ee15-11ed-8f95-00163f009b99",
    "clip_url_hash": "a4798b3aa0540c2cc8ea7ee030cc9298",
    "has_error": false,
    "keyword_task_id": 34956668,
    "company_id": 1580,
    "track_source_id": 4029,
    "matched_count": 10,
    "created_at": "2023-05-16T09:29:42",
    "text_search_history_details": [
      {
        "id": 182490185,
        "history_id": 43467024,
        "meta_uuid": "313bd4d78feb442490932fe48abc1f6f",
        "score": 1.6,
        "ingested": false,
        "has_error": false,
        "created_at": "2023-05-16T09:29:42"
      },
      {
        "id": 182490186,
        "history_id": 43467024,
        "meta_uuid": "1aa1a13b20d544deaa2f47f7eacce004",
        "score": 1.6,
        "ingested": false,
        "has_error": false,
        "created_at": "2023-05-16T09:29:42"
      }
    ]
  }
]