1、服务指标导出增加作业提交时间；

2、vip课休学状态增加退学操作；
3、本周应布置课外训练推送；
 4、服务指标作业提交日期筛选

mec-biz/src/main/resources/config/mybatis/StudentExtracurricularExercisesSituationMapper.xml

@@ -144,13 +144,14 @@
 			SUM( exercises_reply_num_ ) exercises_reply_num_,
 			SUM( exercises_message_num_ ) exercises_message_num_,
 			SUM( exercises_message_timely_num_ ) exercises_message_timely_num_,
+			MAX(last_submit_time_) last_submit_time_
 		</if>
 		<if test="submitStartDate!=null and submitEndDate!=null">
 			SUM(IF(DATE_FORMAT(last_submit_time_, '%Y-%m-%d') BETWEEN #{submitStartDate} AND #{submitEndDate},exercises_reply_num_,0)) exercises_reply_num_,
 			SUM(IF(DATE_FORMAT(last_submit_time_, '%Y-%m-%d') BETWEEN #{submitStartDate} AND #{submitEndDate},exercises_message_num_,0)) exercises_message_num_,
 			SUM(IF(DATE_FORMAT(last_submit_time_, '%Y-%m-%d') BETWEEN #{submitStartDate} AND #{submitEndDate},exercises_message_timely_num_,0)) exercises_message_timely_num_,
+			MAX(IF(DATE_FORMAT(last_submit_time_, '%Y-%m-%d') BETWEEN #{submitStartDate} AND #{submitEndDate},last_submit_time_, NULL)) last_submit_time_
 		</if>
-		MAX(last_submit_time_) last_submit_time_
 		FROM
 		student_extracurricular_exercises_situation_ sees
 		LEFT JOIN sys_user stu ON stu.id_=sees.student_id_