fix 课程目录卷

zhongzheng-system/src/main/resources/mapper/modules/course/CourseSectionMapper.xml

@@ -53,7 +53,7 @@ PUBLIC "-//mybatis.org//DTD Mapper 3.0//EN"
             course_chapter_section ccs
         LEFT JOIN course_chapter cc ON ccs.chapter_id = cc.chapter_id
         WHERE
-            ccs.id =#{section_id}
+            ccs.section_id =#{section_id}
     </select>