|  | @@ -1504,7 +1504,7 @@ public class CourseScheduleServiceImpl extends ServiceImpl<CourseScheduleDao, Co
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				|  |  |              CourseGroup courseGroup = courseGroupService.getById(courseSchedule.getCourseGroupId());
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				|  |  |  
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				|  |  |              String dateString = date.toInstant().atZone(ZoneId.systemDefault()).toLocalDateTime().format(
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				|  |  | -                    DateTimeFormatter.ofPattern("yyyy-MM-dd HH:mm:ss"));
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				|  |  | +                    DateTimeFormatter.ofPattern("MM-dd HH:mm:ss"));
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				|  |  |  
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				|  |  |              String oldDateString = oldStartTime.toInstant().atZone(ZoneId.systemDefault()).toLocalDateTime().format(
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				|  |  |                      DateTimeFormatter.ofPattern("MM-dd HH:mm:ss"));
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