提前加载分页

components/Yl_ListBox/index.wxml

@@ -1,4 +1,4 @@
-<scroll-view class="scroll-view" scroll-y refresher-enabled='{{pullDown}}' refresher-triggered='{{inRefresh}}' style="height: {{height}}px;" triggered='{{true}}' bindrefresherrefresh='pullToRefresh' bindscrolltolower='loadThePage'>
+<scroll-view class="scroll-view" scroll-y refresher-enabled='{{pullDown}}' refresher-triggered='{{inRefresh}}' style="height: {{height}}px;" triggered='{{true}}' bindrefresherrefresh='pullToRefresh' lower-threshold='300' bindscrolltolower='loadThePage'>
     <slot />
     <view class="safety" wx:if="{{safety}}" />
 </scroll-view>