update

src/main/resources/mybatis/mapping/informationMapper.xml

@@ -26,7 +26,7 @@
             t_kzy_relation_class rc
         LEFT JOIN t_kzy_information i ON rc.relation_id = i.id
         WHERE
-            i.is_delete = 0
+            i.is_delete = 0 AND rc.type=2
         AND rc.first_class_id = #{firstId,jdbcType=BIGINT}
         GROUP BY i.id