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/sales/service/ISalesLedgerService.java

@@ -32,7 +32,7 @@

    List getTopFiveList();

    List<MonthlyAmountDto> getAmountHalfYear();
    List<MonthlyAmountDto> getAmountHalfYear(Integer type);

    IPage<SalesLedger> selectSalesLedgerListPage(Page page, SalesLedgerDto salesLedgerDto);
}