1、课堂作业提交联动服务指标限制;

2、vip课创建无运营主管提示；
3、vip课购买添加学员限制；

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

@@ -1063,8 +1063,8 @@ public class VipGroupServiceImpl extends BaseServiceImpl<Long, VipGroup> impleme
 
 		if(classGroup.getStudentNum()>0&&(VipGroupStatusEnum.APPLYING.equals(vipGroup.getStatus()))){
 			int i = studentPaymentOrderDao.countGroupOrderWithoutFailed(vipGroupId.toString(), GroupType.VIP);
-			if(i>0){
-				throw new BizException("该课程组学员为购买加入，无法添加学员加入，请走学员走购买流程!");
+			if(i<=0){
+				throw new BizException("该课程已经无法通过购买加入，请联系教务老师!");
 			}
 		}