update

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

@@ -257,7 +257,7 @@
         <result column="group_name_" property="groupName"/>
     </resultMap>
     <select id="queryUserGroups" resultMap="imGroupModel">
-        SELECT cg.id_,cg.name_,cg.student_num_,cg.img_,mg.group_name_ FROM class_group_student_mapper cgsm
+        SELECT cg.id_,cg.name_,cg.student_num_,cg.img_,mg.name_ group_name_ FROM class_group_student_mapper cgsm
         LEFT JOIN class_group cg ON cgsm.class_group_id_ = cg.id_
         LEFT JOIN music_group mg ON mg.id_ = cg.music_group_id_ AND cg.group_type_ = 'MUSIC'
         <where>