Merge remote-tracking branch 'origin/master'

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

@@ -1140,6 +1140,10 @@ public class ClassGroupServiceImpl extends BaseServiceImpl<Integer, ClassGroup>
             String[] studentNums = classGroupStudentMapperDao.findStudentNumByClassGroupId(classGroupId);
             teacherClassHeadInfo.setStudentNames(StringUtils.join(studentNums, ","));
         }
+        if (classGroup.getType() == ClassGroupTypeEnum.COMM) {
+            String[] studentNums = classGroupStudentMapperDao.findStudentNumByClassGroupId(classGroupId);
+            teacherClassHeadInfo.setStudentNames(StringUtils.join(studentNums, ","));
+        }
         return teacherClassHeadInfo;
     }