按键输入时页面刷新，但单击鼠标时打开文件系统

<a href="/go.html?url=" tabindex="0">                                       
    <label for="my_label" class="my_label" name="Upload" data-bind="attr: { for: 'uploadContent' + SubmissionId() }">
        <span>Upload Content</span>
    </label>
    <div class="hidden">
        <input type="button" id="my_label" class="fileupload" data-bind="event: { change: $parent.upload($data, $element, 'zip', false) }, attr: { id: 'uploadContent' + Id() }" accept="application/zip" type="file">
    </div>
</a>
<a href="/go.html?url=" tabindex="0">