Merge branch 'zx_1026_1111' of http://git.dayaedu.com/yonge/mec into test

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

@@ -24,7 +24,7 @@
             )
         </if>
     </where>
-
+    group by cgsm.id_
     </select>
 
 <select id="liveCoursePage" resultMap="com.ym.mec.biz.dal.dao.CourseScheduleDao.courseScheduleDto">