修改字段取错问题

student/src/main/java/com/cooleshow/student/ui/course/GroupCourseDetailActivity.java

@@ -325,9 +325,9 @@ public class GroupCourseDetailActivity extends BaseMVPActivity<ActivityGroupCour
             //进入教室
             if (mInfoBean != null) {
                 if (mConfigBean != null) {
-                    boolean lessThanTargetTime = TimeUtils.isLessThanTargetTime(mConfigBean.getPianoStartTime(), mInfoBean.startTime);
+                    boolean lessThanTargetTime = TimeUtils.isLessThanTargetTime(mConfigBean.getGroupStartTime(), mInfoBean.startTime);
                     if (!lessThanTargetTime) {
-                        ToastUtil.getInstance().showShort("课程还未开始，请在上课前" + mConfigBean.getPianoStartTime() + "分钟进入");
+                        ToastUtil.getInstance().showShort("课程还未开始，请在上课前" + mConfigBean.getGroupStartTime() + "分钟进入");
                         return;
                     }
                     OpenClassRoomHelper.start(this, mCourseId, mInfoBean.subjectName);