4.24bug优化

cloud-exam/src/main/resources/mapper/TrExamOnlineReadOverMapper.xml

@@ -131,7 +131,7 @@
         select * from
 
         <!--已阅卷状态只查询最高分一条记录-->
-        (select * from (select t.account_id,1 as joinState,1 as submitState,2 as state,o.sum_score as score,t.start_time
+        (select * from (select distinct t.account_id,1 as joinState,1 as submitState,2 as state,o.sum_score as score,t.start_time
         as startTime,t.duration as duration,
         t.submit_time as finishTime,o.objective_score as objectiveScore,o.subjective_score as subjectiveScore,
         CASE o.sum_score>=e.qualified_score
@@ -152,7 +152,6 @@
             </foreach>
         </if>
         ORDER BY t.score desc)a
-        GROUP BY a.account_id
 
         UNION