教务端课表bug修复

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

@@ -2107,7 +2107,7 @@ public class PracticeGroupServiceImpl extends BaseServiceImpl<Long, PracticeGrou
                 Map<Integer, String> idNameMap=new HashMap<>();
                 if(!CollectionUtils.isEmpty(educationalTeacherIds)){
                     List<SimpleUserDto> educationalUsers = employeeDao.findByIds(educationalTeacherIds);
-                    idNameMap = educationalUsers.stream().collect(Collectors.toMap(SimpleUserDto::getUserId, user -> user.getUserName()));
+                    idNameMap = educationalUsers.stream().filter(e->Objects.nonNull(e.getUserId())&&Objects.nonNull(e.getUserName())).collect(Collectors.toMap(SimpleUserDto::getUserId, user -> user.getUserName()));
                 }