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				@@ -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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				             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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				             String oldDateString = oldStartTime.toInstant().atZone(ZoneId.systemDefault()).toLocalDateTime().format( 
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				                     DateTimeFormatter.ofPattern("MM-dd HH:mm:ss")); 
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