获取待批试题

sexam/src/main/resources/mapper/paper/EPaperCorrectTeacherMapper.xml

         <if test="classids!=null and classids!=''">
             and psq.classid in(${classids})
         </if>
-        order by psq.qorder,psq.checked desc rand() limit 1
+        order by psq.qorder,psq.checked desc,rand() limit 1
     </select>
     <!--试题批阅情况-->
     <select id="getCheckQuestion" resultType="com.xhkjedu.sexam.vo.paper.EPaperSQuestionVo">