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				@@ -912,7 +912,7 @@ public class CourseScheduleServiceImpl extends ServiceImpl<CourseScheduleDao, Co 
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				         if (CollectionUtils.isNotEmpty(teacherList)) { 
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				             for (CourseStudent item : teacherList) { 
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				-                item.setImUserId(imGroupService.getImUserId(String.valueOf(item.getUserId()),ClientEnum.STUDENT.name())); 
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				+                item.setImUserId(imGroupService.getImUserId(String.valueOf(item.getUserId()),ClientEnum.TEACHER.name())); 
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				             } 
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				         } 
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