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				@@ -6209,7 +6209,9 @@ public class CourseScheduleServiceImpl extends BaseServiceImpl<Long, CourseSched 
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				     @Override 
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				     public List<ExportCourseIncomeDto> exportCourseIncome(String month) { 
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				-        return courseScheduleDao.exportCourseIncome(month); 
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				+		String cutFirstDayOfMonth = DateUtil.dateToString(DateUtil.getFirstDayOfMonth(DateUtil.stringToDate(month,DateUtil.ISO_YEAR_MONTH_FORMAT)),DateUtil.ISO_EXPANDED_DATE_FORMAT); 
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				+		String cutLastDayOfMonth = DateUtil.dateToString(DateUtil.getLastDayOfMonth(DateUtil.stringToDate(month,DateUtil.ISO_YEAR_MONTH_FORMAT)),DateUtil.ISO_EXPANDED_DATE_FORMAT); 
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				+		return courseScheduleDao.exportCourseIncome(cutFirstDayOfMonth,cutLastDayOfMonth); 
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				     } 
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				     @Override 
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