Merge branch 'feature_HW_20230331' into master_saas

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

@@ -78,7 +78,7 @@
                     and ee.music_group_id_ is null
                 </if>
                 <if test="studentAssignFlag == false">
-                    and ee.student_id_list_  is not null
+                    and ee.music_group_id_  is not null
                 </if>
             </if>
 		</where>