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				@@ -158,13 +158,19 @@ public class FsUserCoursePeriodDaysServiceImpl extends ServiceImpl<FsUserCourseP 
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				             day.setLesson(dayList.size() + i.getAndIncrement()); 
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				             day.setDayDate(period.getPeriodStartingTime().plusDays(day.getLesson())); 
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				             day.setCourseId(entity.getCourseId()); 
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				-            if(video.getViewStartTime() != null){ 
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				+            if(entity.getStartTime() != null){ 
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				+                day.setStartDateTime(LocalDateTime.of(day.getDayDate(), entity.getStartTime())); 
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				+            }else if(video.getViewStartTime() != null){ 
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				                 day.setStartDateTime(LocalDateTime.of(day.getDayDate(), video.getViewStartTime())); 
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				             } 
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				-            if(video.getViewEndTime() != null){ 
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				+            if(entity.getEndTime1() != null){ 
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				+                day.setEndDateTime(LocalDateTime.of(day.getDayDate(), entity.getEndTime1())); 
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				+            }else if(video.getViewEndTime() != null){ 
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				                 day.setEndDateTime(LocalDateTime.of(day.getDayDate(), video.getViewEndTime())); 
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				             } 
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				-            if(video.getLastJoinTime() != null){ 
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				+            if(entity.getJoinTime() != null){ 
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				+                day.setLastJoinTime(LocalDateTime.of(day.getDayDate(), entity.getJoinTime())); 
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				+            }else if(video.getLastJoinTime() != null){ 
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				                 day.setLastJoinTime(LocalDateTime.of(day.getDayDate(), video.getLastJoinTime())); 
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				             } 
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				             day.setVideoId(e); 
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