video打包成app样式未生效

<template>  
    <view class="index">  
        <uv-navbar  
            leftIconSize="36"  
            title="帮助视频"  
            :placeholder="true"  
            :autoBack="true"  
            border  
        ></uv-navbar>  
        <view class="content flex">  
            <view class="item" v-for="(item, index) in videoList" :index="index">  
                <view class="videoItem">  
                    <video :src="item.url" object-fit="fill"></video>  
                </view>  
                <view class="text">{{ item.title }}</view>  
            </view>  
        </view>  
    </view>  
</template>  

<script setup>  
const videoList = ref([  
    {  
        title: '线上商城',  
        url: 'https://qiniu-web-assets.dcloud.net.cn/unidoc/zh/2minute-demo.mp4'  
    }  
]);  
</script>  

<style lang="scss" scoped>  
.index {  
    .content {  
        padding: 24rpx;  
        flex-wrap: wrap;  
        .item {  
            margin-bottom: 20rpx;  
            .videoItem {  
                width: 336rpx;  
                height: 200rpx;  
                border-radius: 24rpx;  
                overflow: hidden;  
                uni-video {  
                    width: 100%;  
                    height: 100%;  
                    :deep(.uni-video-cover) {  
                        .uni-video-cover-play-button {  
                            width: 56rpx;  
                            height: 56rpx;  
                            border-radius: 50%;  
                            background-size: 40%;  
                            background-position: 60% 50%;  
                            background-color: rgba(0, 0, 0, 0.5);  
                        }  
                        .uni-video-cover-duration {  
                            display: none;  
                        }  
                    }  
                }  
            }  
            .text {  
                margin-top: 8rpx;  
                text-align: center;  
            }  
        }  
    }  
}  
</style>  

在浏览器效果为：

各位大佬，想实现的效果是在app中显示浏览器的效果