fix: 发货审核异常未回滚导致的脏数据，添加判空操作

gongchunyi

昨天 2aa97d1237b7f720b33f9952f9901ddf7ae9833a

 src/main/java/com/ruoyi/production/service/ProductWorkOrderService.java

@@ -10,4 +10,6 @@

    IPage<ProductWorkOrderDto> listPage(Page<ProductWorkOrderDto> page, ProductWorkOrderDto productWorkOrder);

    int updateProductWorkOrder(ProductWorkOrderDto productWorkOrderDto);

}