修复对比价格弹窗显示时页面不允许滑动的问题

pages/goods-detail/goods-detail.wxml

@@ -212,7 +212,7 @@
   </view>
 
   <!-- 底部弹出层 - 对比价格 -->
-  <view wx:if="{{showCompareModal}}" class="compare-modal-overlay" bindtap="closeCompareModal">
+  <view wx:if="{{showCompareModal}}" class="compare-modal-overlay" bindtap="closeCompareModal" catchtouchmove="true">
     <view class="compare-modal-container" catchtap="stopPropagation">
       <view class="compare-modal-header">
         <text class="compare-modal-title">对比价格</text>