可以退书的列表

src/main/resources/mapper/base/BaseClassCourse.xml

@@ -89,7 +89,7 @@
         t1.issn,
         t1.editor_in_chief,
         t1.version
-        from tl.base_class_admin_course t
+        from base_class_admin_course t
         left join base_class_course t3 on t3.class_id = t.id
         left join textbook t1 on t1.id = t3.textbook_id
         left join base_course_subject t2 on t3.course_id = t2.id