用swiper 做上下滚动时里面的文字会模糊不清，求指教谢谢

<view class="pindan-list">  
                <swiper :disable-touch="true" :autoplay="true" :interval="5000" :duration="500" :vertical="true" :display-multiple-items="2" style="height: 290upx; width: 100%;">  
                    <swiper-item v-for="(item, index) in pindanlist" :key="index">  
                        <view class="swiper-item flex-zuoy">  
                            <view class="pind-user flex">  
                                <image :src="item.pinuser"></image>  
                                <text>{{ item.pinname }}</text>  
                            </view>  
                            <view class="pind-text">  
                                <view class="pind-txt">还差{{ item.pinren }}人拼成</view>  
                                <view>  
                                    <uni-countdown  
                                        :show-day="false"  
                                        :hour="item.hour"  
                                        :minute="item.minute"  
                                        :second="item.second"  
                                        color="#ffffff"  
                                        border-color="#ff0000"  
                                        splitor-color="#ff0000"  
                                        backgroundColor="#fe3b07"  
                                    ></uni-countdown>  
                                </view>  
                            </view>  
                            <view class="pind-btn" @click="qupind">去拼单</view>  
                        </view>  
                    </swiper-item>  
                </swiper>  
            </view>