feat: 更新统计SQL，单独账单新增合同列表查询接口

yupeng

2025-04-03 e46313878affe7b550a02acf4c694b4e400025fb

 ruoyi-system/src/main/java/com/ruoyi/system/service/TBillService.java

@@ -87,7 +87,7 @@

    Boolean cashPay(CachPayDto offlinePayDto);

    BillStatisticsDto statistics();
    BillStatisticsDto statistics(String busdeptId);

    Integer batchBillCount(String userId, List<String> billIds);