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cooleshow-user/user-biz/src/main/resources/config/mybatis/CoursePlanMapper.xml

@@ -36,7 +36,7 @@
         from course_plan as a
                  left join course_schedule as b on a.course_group_id_ = b.course_group_id_
                  AND a.class_num_ = b.class_num_
-                 left join live_room as c on b.id_ = c.course_id_
+                 left join live_room as c on b.room_uid_ = c.room_uid_
         where a.course_group_id_ = #{groupId}
         order by b.start_time_
     </select>