我做上拉刷新的时候必须要下拉一下再上拉才能触发 <scroll-view scroll-top="{{scrollTop}}" scroll-y="true" style="height:{{scrollHeight}}px;" bindscrolltolower="bindDownLoad" bindscroll="upload" bindscrolltoupper="upload"  scroll-with-animation="true" lower-threshold="1" upper-threshold="1"> <view class="total"> <view class="upload" wx:if="{{up == true}}">加载数据中...</view> <view class="list"> <view class="condition listdetail" wx:for="{{houseimage}}" wx:for-item="item"> <view class="listimg"> <image src ="{{item.imgUrls}}"></image> </view> <view class="listcontent"> <view class="title titlefont fontstyle">{{item.title}}</view> <view class="title contentfont fontstyle">{{item.room}}室{{item.parlour}}厅{{item.kitchen}}厨{{item.bathroom}}卫.{{item.area}}㎡.{{item.direction}}.</view> <view class="title contentfont fontstyle">{{item.road}}.{{item.district}}</view> <view class="title contentfont fontstyle">{{item.type}}</view> </view> </view> </view> </view> </scroll-view>