Merge branch 'active_course_2021-09-26～29' of http://git.dayaedu.com/yonge/mec into 2021-double-eleven

mec-biz/src/main/java/com/ym/mec/biz/service/impl/PracticeGroupServiceImpl.java

@@ -4934,8 +4934,8 @@ public class PracticeGroupServiceImpl extends BaseServiceImpl<Long, PracticeGrou
 
         //生成网管课信息
         Subject subject = subjectDao.get(applyBaseInfo.getSubjectId());
-        Student student = studentDao.get(studentId);
-        StringBuffer className = new StringBuffer(subject.getName()).append("•").append(student.getUsername());
+        SysUser user = teacherDao.getUser(studentId);
+        StringBuffer className = new StringBuffer(subject.getName()).append("•").append(user.getUsername());
         applyBaseInfo.setName(className.toString());
         applyBaseInfo.setAuditStatus(AuditStatusEnum.PASS);
         applyBaseInfo.setGroupStatus(GroupStatusEnum.NORMAL);