问题:当el-popover和原生table同时使用的时候会失效(不是el-table)
<el-popover placement="bottom" width="500" trigger="click"
:key="`popover-${item.id}`">
</el-popover>
<el-popover placement="bottom" width="500" trigger="click"
:key="`popover-${item.id}`">
</el-popover>