fix

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

@@ -4858,7 +4858,7 @@ public class VipGroupServiceImpl extends BaseServiceImpl<Long, VipGroup> impleme
         }
 
         for (LiveGroupWrapper.LiveGroupStudentList record : records) {
-            Student student = studentMap.get(record.getStudentId());
+            Student student = studentMap.get(record.getStudentId().longValue());
             if (Objects.nonNull(student)) {
                 record.setStudentName(student.getUsername());
                 record.setOrganName(organizationMap.getOrDefault(student.getOrganId(), new Organization()).getName());