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				@@ -2839,7 +2839,7 @@ public class PracticeGroupServiceImpl extends BaseServiceImpl<Long, PracticeGrou 
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				     private List<CourseSchedule> createPracticeCourses(PracticeGroupBuyDto practiceGroupBuyParams, Integer practiceCourseMinutes){ 
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				         List<CourseSchedule> courseSchedules=new ArrayList<>(); 
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				         LocalDate courseStartDay=LocalDateTime.ofInstant(practiceGroupBuyParams.getCoursesStartDate().toInstant(),DateUtil.zoneId).toLocalDate(); 
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				-        LocalDate courseEndDay=LocalDateTime.ofInstant(practiceGroupBuyParams.getCoursesExpireDate().toInstant(),DateUtil.zoneId).toLocalDate(); 
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				+        LocalDate courseEndDay=LocalDateTime.ofInstant(practiceGroupBuyParams.getCoursesExpireDate().toInstant(),DateUtil.zoneId).plusSeconds(1).toLocalDate(); 
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				         while (courseStartDay.compareTo(courseEndDay)<0){ 
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				             int dayOfWeek = courseStartDay.get(DateUtil.weekFields.dayOfWeek()); 
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				             for (PracticeDrillTimeDto drillTime : practiceGroupBuyParams.getDrillTimes()) { 
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