fix: 学生端我购买的课程vip课上课模式错误

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

@@ -826,9 +826,10 @@ public class ClassGroupServiceImpl extends BaseServiceImpl<Integer, ClassGroup>
             }
             if (ClassGroupTypeEnum.VIP == e.getType()) {
                 e.setStudentNames(vipStuNames.get(e.getVipId()));
-                if (e.getOffLineClassesNum() > 0 && e.getOffLineClassesNum() <= 0) {
+                //1：线上；2：线下；3：线上+线下
+                if (e.getOnlineClassesNum() > 0 && e.getOffLineClassesNum() <= 0) {
                     e.setClassMode(1);
-                } else if (e.getOffLineClassesNum() > 0 && e.getOffLineClassesNum() > 0) {
+                } else if (e.getOnlineClassesNum() > 0 && e.getOffLineClassesNum() > 0) {
                     e.setClassMode(3);
                 } else if (e.getOnlineClassesNum() <= 0 && e.getOffLineClassesNum() > 0) {
                     e.setClassMode(2);