diff --git a/src/main/java/com/zcloud/mapper/dsno3/eduStudy/ClassCurriculumChapterMapper.java b/src/main/java/com/zcloud/mapper/dsno3/eduStudy/ClassCurriculumChapterMapper.java
new file mode 100644
index 0000000..1e99615
--- /dev/null
+++ b/src/main/java/com/zcloud/mapper/dsno3/eduStudy/ClassCurriculumChapterMapper.java
@@ -0,0 +1,11 @@
+package com.zcloud.mapper.dsno3.eduStudy;
+
+
+import com.zcloud.entity.PageData;
+
+import java.util.List;
+
+public interface ClassCurriculumChapterMapper {
+
+    List<PageData> getListByClass(PageData data);
+}
diff --git a/src/main/resources/mybatis/dsno3/eduStudy/ClasscurriculumchapterMapper.xml b/src/main/resources/mybatis/dsno3/eduStudy/ClasscurriculumchapterMapper.xml
deleted file mode 100644
index c58e572..0000000
--- a/src/main/resources/mybatis/dsno3/eduStudy/ClasscurriculumchapterMapper.xml
+++ /dev/null
@@ -1,66 +0,0 @@
-<?xml version="1.0" encoding="UTF-8"?>
-<!DOCTYPE mapper PUBLIC "-//mybatis.org//DTD Mapper 3.0//EN" "http://mybatis.org/dtd/mybatis-3-mapper.dtd">
-<mapper namespace="com.zcloud.mapper.dsno3.eduStudy.ClasscurriculumchapterMapper">
-
-    <select id="getListByClass" resultType="com.zcloud.entity.PageData">
-        SELECT
-            f.CORPINFO_ID,
-            f.ENTERPRISE_ID,
-            f.CLASS_ID,
-            f.CURRICULUM_ID,
-            f.CREATOR,
-            f.CREATTIME,
-            f.OPERATOR,
-            f.OPERATTIME,
-            f.ISDELETE,
-            f.CHAPTER_ID,
-            f.VIDEOCOURSEWARE_ID,
-            f.CLASSCURRICULUM_ID,
-            f.CLASSCURRICULUMCHAPTER_ID,
-            c.CHAPTER_ID,
-            c.NAME,
-            c.CREATOR,
-            c.CREATTIME,
-            c.OPERATOR,
-            c.OPERATTIME,
-            c.ISDELETE,
-            c.CURRICULUM_ID,
-            c.CORPINFO_ID,
-            c.SORT,
-            c.PARENT_ID,
-            c.COURSEWARENAME,
-            c.VIDEOFILES,
-            c.CLASSHOUR,
-            c.VIDEOTIME,
-            c.VIDEOCOURSEWARE_ID,
-            c.CHAPTER_ID_REMOTE,
-            v.COURSEWARENAME,
-            t.NAME SPEAKER,
-            v.COURSEWAREINTRODUCE COURSEWAREINTRODUCE,
-            v.VIDEOCAPTURE COURSEWARECAPTURE,
-            v.VIDEOFILES,
-            IFNULL( v.VIDEOTIME, 0 ) AS VIDEOTIME,
-            IFNULL( a.RESOURCETIME, 0 ) AS RESOURCETIME,
-            IFNULL( a.PLAYCOUNT, 0 ) AS PLAYCOUNT
-        FROM
-            BUS_CLASS_CURRICULUM_CHAPTER f
-            LEFT JOIN BUS_CHAPTER c ON c.CHAPTER_ID = f.CHAPTER_ID
-            LEFT JOIN BUS_VIDEOCOURSEWARE v ON f.VIDEOCOURSEWARE_ID = v.VIDEOCOURSEWARE_ID
-            AND v.ISDELETE = '0'
-            LEFT JOIN BUS_COURSESTUDYVIDEORECORD a ON a.VIDEOCOURSEWARE_ID = v.VIDEOCOURSEWARE_ID
-            AND a.CURRICULUM_ID = c.CURRICULUM_ID
-            AND a.ISDELETE = '0'
-            AND a.STUDENT_ID = #{STUDENT_ID}
-            LEFT JOIN bus_teacher t ON t.TEACHER_ID = v.SPEAKER
-        WHERE
-            f.ISDELETE = '0'
-            AND f.CLASSCURRICULUM_ID = #{CLASSCURRICULUM_ID}
-            <if test="PARENT_ID != null and PARENT_ID != ''">
-                AND c.PARENT_ID = #{PARENT_ID}
-            </if>
-            ORDER BY
-            c.SORT
-    </select>
-
-
-</mapper>