bug fix

examcloud-core-oe-admin-service/src/main/java/cn/com/qmth/examcloud/core/oe/admin/service/impl/ExamStudentServiceImpl.java

@@ -166,7 +166,7 @@ public class ExamStudentServiceImpl implements ExamStudentService {
             //保存考生
             ExamStudentEntity examStudentEntity = examStudentRepo.save(entity);
 
-            examStudentIdList.add(examStudentEntity.getId());
+            examStudentIdList.add(examStudentEntity.getExamStudentId());
             //已完成 考试，更新考试记录表
             if (examStudentEntity.getFinished() != null && examStudentEntity.getFinished()) {
                 long examStudentId = examStudentEntity.getExamStudentId();