@@ -1705,6 +1705,9 @@
LEFT JOIN music_group mg ON cgtm.music_group_id_ = mg.id_
LEFT JOIN class_group cg ON cg.id_ = cgtm.class_group_id_
where cg.del_flag_ = 0 AND mg.status_ = 'PROGRESS' AND cgtm.user_id_ = #{teacherId}
+ <if test="musicGroupId != null and musicGroupId != ''">
+ AND cgtm.music_group_id_ = #{musicGroupId}
+ </if>
GROUP BY cg.id_
</select>
</mapper>
