1、试听课

2、收费网管课活动

mec-biz/src/main/resources/config/mybatis/PracticeGroupMapper.xml

@@ -610,8 +610,7 @@
             pg.name_,
             pg.user_id_,
             su.real_name_ teacher_name_,
-            MIN(CONCAT(cs.class_date_, ' ', cs.start_class_time_)) courses_start_date_,
-            MAX(CONCAT(cs.class_date_, ' ', cs.end_class_time_)) courses_expire_date_,
+            GROUP_CONCAT(CONCAT(cs.class_date_, ' ', cs.start_class_time_)) courses_start_date_,
             pg.memo_
         FROM
             practice_group pg