update

edu-user/edu-user-biz/src/main/resources/config/mybatis/ExamRoomStudentRelationMapper.xml

@@ -336,5 +336,6 @@
 		WHERE
 			ser.is_finished_exam_ != 5
 			AND er.exam_end_time_<NOW()
+			AND ser.result_ IS NULL
 	</select>
 </mapper>