如何让elementui el-tree组件 一级节点 复选框不显示

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  <el-input v-model="filterText" placeholder="输入关键字进行过滤" />
        <el-tree
          ref="tree"
          default-expand-all
          show-checkbox
          :data="list"
          node-key="id"
          :props="defaultProps"
          :default-checked-keys="resourceCheckedKey"
          :filter-node-method="filterNode"
          @node-click="handleNodeClick"
          @check-change="handleSelectionChange"
          :check-strictly="true"
          class="stafftree"
        >
        </el-tree>
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添加一个class类名

<style scoped>
::v-deep .stafftree > .el-tree-node > .el-tree-node__content .el-checkbox {
  display: none;
}
</style>
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