修复售空商品上拉加载更多时页码递增错误的问题

pages/index/index.js

@@ -774,7 +774,9 @@ Page({
       loadingMore: false,
       isLoading: false,
       isRefreshing: false,
-      page: this.data.page + 1,
+      // 根据当前是否在查询售空商品来更新对应的页码
+      page: this.data.isQueryingSoldOut ? this.data.page : this.data.page + 1,
+      soldOutPage: this.data.isQueryingSoldOut ? this.data.soldOutPage + 1 : this.data.soldOutPage,
       lastDataTimestamp: new Date().getTime()
     })
 
@@ -1123,7 +1125,6 @@ Page({
           this.setData({
             hasMoreData: soldOutHasMore,
             isQueryingSoldOut: soldOutHasMore,
-            soldOutPage: soldOutPageNum + 1,
             categoryQueryCache: updatedCache,
             lastDataTimestamp: new Date().getTime(),
             goodsCache: updatedCache[cacheKey]