记一个ElMessageBox被遮挡问题

<template>
    <el-table :data="projectTableData" style="width: 100%">
        <el-table-column prop="date" label="Date">
            <template #default="scope">
                <span v-show="!scope.row.editing">{{ scope.row.date }}</span>
                <el-input v-show="scope.row.editing" v-model="scope.row.date"></el-input>
            </template>
        </el-table-column>
        <el-table-column prop="name" label="name"></el-table-column>
        <el-table-column prop="address" label="Address" />
        <el-table-column label="Operate">
            <template #default="{ row, rowIndex }">
                <el-button v-if="row.editing" type="primary" link @click="handleSave(row)">保存</el-button>
                <el-button v-else type="primary" link @click="handleEdit(row, rowIndex)">编辑</el-button>
                <el-button v-if="row.editing" link @click="handleCancel(row)">取消</el-button>
                <el-button v-else type="danger" link @click="handleDelete(row)">删除</el-button>
            </template>
        </el-table-column>
    </el-table>
</template>
  
<script setup lang="ts">
import {
    ElMessage,
    ElMessageBox,
} from 'element-plus';
import { ref } from 'vue';

const projectTableData = ref([
    {
        date: '2016-05-03',
        name: 'Tom',
        address: 'No. 189, Grove St, Los Angeles',
        editing: false, 
    },
    {
        date: '2016-05-02',
        name: 'Tom',
        address: 'No. 189, Grove St, Los Angeles',
        editing: false,
    },
    {
        date: '2016-05-04',
        name: 'Tom',
        address: 'No. 189, Grove St, Los Angeles',
        editing: false,
    },
    {
        date: '2016-05-01',
        name: 'Tom',
        address: 'No. 189, Grove St, Los Angeles',
        editing: false,
    },
]);

const handleEdit = (row, rowIndex) => {
    if (!row.editing) {
        // 如果点击的行不是当前正在编辑的行
        projectTableData.value.forEach((item, index) => {
            if (index !== rowIndex) {
                item.editing = false; // 取消其他行的编辑状态
            }
        });
        row.editing = true;
    }
};

const handleSave = (row) => {
    row.editing = false;
    // Handle Save logic
};

const handleDelete = (row) => {
    console.log(row);
    ElMessageBox.confirm(
        '真的删除吗？删除之后数据无法找回',
        {
            confirmButtonText: '确定',
            cancelButtonText: '取消',
            type: 'warning',
            appendTo:'body',
            title:"警告",
        })
        .then(() => {
            ElMessage({
                type: 'success',
                message: '删除成功'
            })
        })
        .catch(() => {
            ElMessage({
                type: 'info',
                message: 'Delete canceled',
            })
        })
    // Handle Delete logic
};

const handleCancel = (row) => {
    row.editing = false;
};
</script>

.is-message-box{
    position: relative;
    z-index: 10000;
}