H5 textarea 设置在弹窗里面没办法自动聚焦吗，不是没反应就是立刻失去焦点

点击按钮，弹出弹窗，里面的文本域无法自动聚焦，这个要怎么解决？求大佬告知
<view class="comment-edit">
<view class="comment-bottom" @click="togglePopup('bottom', 'popup','')">请开始你的表演</view>
<!-- <button type="button" @click="togglePopup('bottom', 'popup')">底部弹出 popup</button> -->
</view>
<uni-popup :show="showpopup" :type="type" @change="change">
<view class="edit-box">
<textarea focus :auto-focus="autoFocus" fixed="true" class="text-area" v-model="editText" :placeholder="placeholder"/>
<view class="edit-active flex">
<view class="emoj"></view>
<view class="submit" @click.stop="editSubmit">发表</view>
</view>
</view>
</uni-popup>