fix(approve): 修复审批流程为空时的异常处理

liyong

2026-04-30 c2ad2126d6f8423e0a5e6e20bbb91ef6bb1cffc0

 src/main/java/com/ruoyi/staff/service/StaffSchedulingService.java

@@ -17,4 +17,6 @@
    void saveStaffScheduling(SaveStaffSchedulingDto saveStaffSchedulingDto);

    IPage<StaffSchedulingDto> listPage(SearchSchedulingVo vo);

    StaffScheduling getCurrentUserLatestScheduling();
}