修复bug

attendance-performance-manager/src/main/java/com/mortals/xhx/module/staff/service/impl/StaffServiceImpl.java

@@ -260,7 +260,7 @@ public class StaffServiceImpl extends AbstractCRUDCacheServiceImpl<StaffDao, Sta
                     StaffLeaveQuery staffLeaveQuery = new StaffLeaveQuery();
                     staffLeaveQuery.setWorkNum(staffEntity.getWorkNum());
                     StaffLeaveEntity staffLeaveEntity = staffLeaveService.selectOne(staffLeaveQuery, null);
-                    if (!ObjectUtils.isEmpty(staffEntity)) {
+                    if (!ObjectUtils.isEmpty(staffLeaveEntity)) {
                         staffLeaveService.remove(staffLeaveEntity.getId(), null);
                     }
                 }