修改商品置顶bug

platform-admin/src/main/java/com/platform/service/impl/TbCfStationItemServiceImpl.java

@@ -487,8 +487,8 @@ public class TbCfStationItemServiceImpl implements TbCfStationItemService {
             return -1;
         }
         item.setItemTop(1);
-        int count = tbCfStationItemDao.queryTopCount();
-        item.setSort(++count);
+        int maxSort = tbCfStationItemDao.maxSort();
+        item.setSort(++maxSort);
         return tbCfStationItemDao.update(item);
     }