QRCODE is not displayed in Previewer even if I write the index.hml file as shown below in deveco studio 2.1. Please tell me what to do. The API Version is 5.
index.hml
<div class="container">
<text class="title">
{{ $t('strings.hello') }} {{ title }}
</text>
<!--<button class="first" type="capsule" value="capsule button">
</button>
-->
<qrcode value="https://www.yahoo.co.jp/" type="rect"
style="color: #000000;background-color: #ffffff;width: 300px;height: 300px;margin-bottom: 70px;"></qrcode>
</div>