fix:网管课加课增加有效期限制

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

@@ -503,6 +503,7 @@ public class CourseScheduleServiceImpl extends BaseServiceImpl<Long, CourseSched
 			if(!GroupStatusEnum.NORMAL.equals(practiceGroup.getGroupStatus())){
 				throw new BizException("非进行中网管课不支持加课");
 			}
+			groupEndDate = practiceGroup.getCoursesExpireDate();
 			organId=practiceGroup.getOrganId();
 
 			List<TeacherDefaultPracticeGroupSalary> teacherDefaultPracticeGroupSalaryList = teacherDefaultPracticeGroupSalaryDao
@@ -639,7 +640,7 @@ public class CourseScheduleServiceImpl extends BaseServiceImpl<Long, CourseSched
 					}
 					if (groupEndDate != null) {
 						if (calendar.getTime().after(groupEndDate)) {
-							throw new BizException("排课时间超出排课截止日期（{}）", groupEndDate);
+							throw new BizException("排课时间超出排课截止日期（{}）", DateUtil.dateToString(groupEndDate, DateUtil.DATE_FORMAT_MIN));
 						}
 					}