【报Bug】nvue中 scroller组件的属性scrollToBegin失效

示例代码：

<list class="listview" :enableBackToTop="true" :scroll-y="true" @scrolltolower="loadMore(index)">  
            <refresh class="refresh" @refresh="onrefresh" @pullingdown="onpullingdown" :display="refreshing ? 'show' : 'hide'">  
              <div class="refresh-view">  
                <image class="refresh-icon" :src="refreshIcon" :style="{width: (refreshing || pulling) ? 0: '24px'}" :class="{'refresh-icon-active': refreshFlag}"></image>  
                <uni-load-more v-if="refreshing" class="loading-icon" status="loading" :contentText="loadingMoreText"></uni-load-more>  
                <text class="loading-text">{{refreshText}}</text>  
              </div>  
            </refresh>  
              <cell v-if="index==0">  
                  <uni-banner :city="city" :regionCount="regionCount" :allcount="allcount" :banner='banner' :bannerIndex="bannerIndex"></uni-banner>  
                  <scroller scroll-direction="horizontal" scrollToBegin="false" class='top-bar'>  
                    <view v-for="(item,index) in timeType" :key="index">  
                        <view @click='changeTime(index)' class="index-tab-list">  
                            <text :class="[curIndex === index ? 'tab-active' : '']" class="index-tab-font">{{item.label}}</text>  
                        </view>  
                    </view>  
                  </scroller>  
              </cell>  
              <cell v-if="index==0">  
                <view style="flex-direction: row;justify-content: space-between;width: 750rpx;" :style="{'padding-left': padding+'px','padding-right': padding+'px'}">  
                    <view style="width:340rpx;">  
                        <view v-for="(active,idx1) in timeType[curIndex].list" v-bind:key='idx1'>  
                            <uni-index-item v-if="idx1%2==0" ref='uniIndexItem' :curIndex="curIndex" :active="active"></uni-index-item>  
                        </view>  
                    </view>  
                    <view style="width:340rpx;">  
                        <view v-for="(active,idx2) in timeType[curIndex].list" v-bind:key='idx2' style="width:340rpx;">  
                            <uni-index-item v-if="idx2%2!=0" ref='uniIndexItem' :curIndex="curIndex" :active="active"></uni-index-item>  
                        </view>  
                    </view>  
                </view>  
              </cell>  
              <cell v-else style="width: 750rpx;" v-for="(active,idx) in tabList[index].list" :key='idx'>  
                <uni-active-item :active="active"></uni-active-item>  
              </cell>  
            <cell v-if="isLoading">  
              <view class="loading-more">  
                <text class="loading-more-text">{{loadingText}}</text>  
              </view>  
            </cell>  
            <cell v-if="!isLoading" class="loading-more">  
                <text class="loading-more-text">{{tab.loadingText}}</text>  
            </cell>  
            <loading class="loading-more" @loading="loadMore(index)" :display="isLoading ? 'show' : 'hide'">  
                <view class="loading-more">  
                    <text class="loading-more-text">{{loadingText}}</text>  
                </view>  
            </loading>  
          </list>  

操作步骤：

见附件视频

预期结果：

见附件视频

实际结果：

见附件视频