商品提醒bug修改

src/main/java/com/jsh/erp/service/impl/MaterialServiceImpl.java

@@ -1678,7 +1678,7 @@ public class MaterialServiceImpl extends ServiceImpl<MaterialMapper, Material> i
         vo.setNoMovingPinReminder(noMovingPinReminders);
         //过期提醒
         SimpleDateFormat sdf = new SimpleDateFormat("yyyy-MM-dd");
-        extendList.stream().filter(v -> v.getInventory().doubleValue() > 0 && v.getProductionDate() != null && v.getExpiryNum() != null)
+        extendList.stream().filter(v -> v.getInventory() != null && v.getInventory().doubleValue() > 0 && v.getProductionDate() != null && v.getExpiryNum() != null)
                 .forEach(v ->{
                     if (DateUtils.differentDaysByMillisecond(v.getProductionDate(),new Date()) >  (v.getExpiryNum() -30)){
                         String name = materialMapper.selectByPrimaryKey(v.getMaterialId()).getName();