修改标签显示逻辑，售空时不显示预售和现货标签

pages/index/index.wxml

@@ -178,8 +178,8 @@
                   bindload="onImageLoad"
                   data-index="{{index}}"
                   style="height: 270rpx; display: block; box-sizing: border-box; width: 337rpx; position: absolute; top: 0; left: 0; right: 0; bottom: 0; z-index: 1;"></image>
-                <view wx:if="{{item.supplyStatus === '预售'}}" class="promo-tag presale">预售</view>
-                <view wx:if="{{item.supplyStatus === '现货'}}" class="promo-tag in-stock">现货</view>
+                <view wx:if="{{item.supplyStatus === '预售' && item.status !== 'sold_out'}}" class="promo-tag presale">预售</view>
+                <view wx:if="{{item.supplyStatus === '现货' && item.status !== 'sold_out'}}" class="promo-tag in-stock">现货</view>
                 <view wx:if="{{item.status === 'sold_out'}}" class="promo-tag sold-out">售空</view>
               </view>
               <view class="product-info" style="height: 190rpx; display: flex; box-sizing: border-box">