ant vue upload进度条如何显示进度（没有用自定义上传）？

<a-upload-dragger
class="upload_file"
name="file"
action="https://www.mocky.io/v2/5cc8019d300000980a055e76"
:beforeUpload="beforeUpload"
:headers="headers"
@change="uploadChange">
<p class="ant-upload-drag-icon">
<a-icon type="upload"/>
</p> <p class="ant-upload-text">点击或拖拽文件到此处</p>
</a-upload-dragger>

目前默认是这样显示的
想在进度条后面添加进度数值