1、提交作业添加限制；

2、服务指标；
3、怎加课外训练待布置学员列表；
4、恢复网管课与乐团课的冲突检测逻辑

mec-biz/src/main/java/com/ym/mec/biz/service/PracticeGroupService.java

@@ -304,4 +304,5 @@ public interface PracticeGroupService extends BaseService<Long, PracticeGroup> {
      * @return
      */
     boolean isPurchasedPracticeCourse(Integer userId);
+
 }

mec-biz/src/main/java/com/ym/mec/biz/service/impl/ExtracurricularExercisesReplyServiceImpl.java

@@ -138,7 +138,7 @@ public class ExtracurricularExercisesReplyServiceImpl extends BaseServiceImpl<Lo
 			throw new BizException("作业不存在");
 		}
 		Date now=new Date();
-		if (DateUtil.daysBetween(extracurricularExercises.getCreateTime(), now)>14){
+		if (DateUtil.daysBetween(extracurricularExercises.getCreateTime(), now)>=14){
 			throw new BizException("该作业已超出可提交时间范围，无法提交作业。");
 		}
 		existExtra.setAttachments(extracurricularExercisesReply.getAttachments());

mec-biz/src/main/java/com/ym/mec/biz/service/impl/StudentCourseHomeworkServiceImpl.java

@@ -95,7 +95,7 @@ public class StudentCourseHomeworkServiceImpl extends BaseServiceImpl<Long, Stud
             throw new BizException("作业不存在");
         }
         Date now=new Date();
-        if (DateUtil.daysBetween(existHomework.getCreateTime(), now)>14){
+        if (DateUtil.daysBetween(existHomework.getCreateTime(), now)>=14){
             throw new BizException("该作业已超出可提交时间范围，无法提交作业。");
         }