diff --git a/safety-cedu-service/src/main/java/org/qinan/cedu/model/dto/ClassCourseDTO.java b/safety-cedu-service/src/main/java/org/qinan/cedu/model/dto/ClassCourseDTO.java
index 79d5efcd..d27beec3 100644
--- a/safety-cedu-service/src/main/java/org/qinan/cedu/model/dto/ClassCourseDTO.java
+++ b/safety-cedu-service/src/main/java/org/qinan/cedu/model/dto/ClassCourseDTO.java
@@ -4,6 +4,7 @@ import io.swagger.annotations.ApiModelProperty;
 import lombok.Data;
 
 import java.math.BigDecimal;
+import java.util.List;
 
 /**
  * 班级课程
@@ -29,4 +30,7 @@ public class ClassCourseDTO {
 
     @ApiModelProperty("视频累计时长（小时）")
     private BigDecimal videoDuration;
+
+    @ApiModelProperty("课件id集合")
+    private List<Long> coursewareId;
 }
diff --git a/safety-cedu-service/src/main/java/org/qinan/cedu/model/entity/ClassCourseDO.java b/safety-cedu-service/src/main/java/org/qinan/cedu/model/entity/ClassCourseDO.java
index 5a994c9f..126706b1 100644
--- a/safety-cedu-service/src/main/java/org/qinan/cedu/model/entity/ClassCourseDO.java
+++ b/safety-cedu-service/src/main/java/org/qinan/cedu/model/entity/ClassCourseDO.java
@@ -4,10 +4,12 @@ import com.baomidou.mybatisplus.annotation.IdType;
 import com.baomidou.mybatisplus.annotation.TableField;
 import com.baomidou.mybatisplus.annotation.TableId;
 import com.baomidou.mybatisplus.annotation.TableName;
+import com.baomidou.mybatisplus.extension.handlers.JacksonTypeHandler;
 import lombok.Data;
 import lombok.EqualsAndHashCode;
 
 import java.math.BigDecimal;
+import java.util.List;
 
 /**
  * 班级课程
@@ -35,4 +37,7 @@ public class ClassCourseDO extends BaseEntity {
 
     @TableField("video_duration")
     private BigDecimal videoDuration;
+
+    @TableField(value = "courseware_id", typeHandler = JacksonTypeHandler.class)
+    private List<Long> coursewareId;
 }
diff --git a/safety-cedu-service/src/main/java/org/qinan/cedu/model/vo/ClassCourseVO.java b/safety-cedu-service/src/main/java/org/qinan/cedu/model/vo/ClassCourseVO.java
index 7453cfc4..0b7164f5 100644
--- a/safety-cedu-service/src/main/java/org/qinan/cedu/model/vo/ClassCourseVO.java
+++ b/safety-cedu-service/src/main/java/org/qinan/cedu/model/vo/ClassCourseVO.java
@@ -5,6 +5,7 @@ import lombok.Data;
 import lombok.EqualsAndHashCode;
 
 import java.math.BigDecimal;
+import java.util.List;
 
 /**
  * 班级课程
@@ -15,17 +16,20 @@ import java.math.BigDecimal;
 public class ClassCourseVO extends BaseVO {
 
     @ApiModelProperty("所属班级ID")
-    private Long classId;
+    private String classId;
 
     @ApiModelProperty("课程名称")
     private String courseName;
 
     @ApiModelProperty("课程id")
-    private Long courseId;
+    private String courseId;
 
     @ApiModelProperty("要求完成总学时（小时）")
     private BigDecimal requiredTotalHours;
 
     @ApiModelProperty("视频累计时长（小时）")
     private BigDecimal videoDuration;
+
+    @ApiModelProperty("课件id集合")
+    private List<String> coursewareId;
 }
diff --git a/safety-cedu-service/src/main/java/org/qinan/cedu/model/vo/ClassManagementVO.java b/safety-cedu-service/src/main/java/org/qinan/cedu/model/vo/ClassManagementVO.java
index a204f236..1f497017 100644
--- a/safety-cedu-service/src/main/java/org/qinan/cedu/model/vo/ClassManagementVO.java
+++ b/safety-cedu-service/src/main/java/org/qinan/cedu/model/vo/ClassManagementVO.java
@@ -92,5 +92,5 @@ public class ClassManagementVO extends BaseVO {
      * 试卷id
      */
     @ApiModelProperty("试卷id")
-    private Long paperId;
+    private String paperId;
 }
diff --git a/safety-cedu-service/src/main/java/org/qinan/cedu/model/vo/ClassStudentExamRecordVO.java b/safety-cedu-service/src/main/java/org/qinan/cedu/model/vo/ClassStudentExamRecordVO.java
index a86d901d..71b19aa5 100644
--- a/safety-cedu-service/src/main/java/org/qinan/cedu/model/vo/ClassStudentExamRecordVO.java
+++ b/safety-cedu-service/src/main/java/org/qinan/cedu/model/vo/ClassStudentExamRecordVO.java
@@ -18,19 +18,19 @@ import java.time.LocalDateTime;
 public class ClassStudentExamRecordVO extends BaseVO {
 
     @ApiModelProperty("学员ID")
-    private Long studentId;
+    private String studentId;
 
     @ApiModelProperty("学员名称")
     private String studentName;
 
     @ApiModelProperty("所属班级ID")
-    private Long classId;
+    private String classId;
 
     @ApiModelProperty("试卷名称")
     private String paperName;
 
     @ApiModelProperty("试卷id")
-    private Long paperId;
+    private String paperId;
 
     @ApiModelProperty("得分")
     private BigDecimal score;
diff --git a/safety-cedu-service/src/main/java/org/qinan/cedu/model/vo/ClassStudentLearningRecordVO.java b/safety-cedu-service/src/main/java/org/qinan/cedu/model/vo/ClassStudentLearningRecordVO.java
index 4f2db241..d98118d7 100644
--- a/safety-cedu-service/src/main/java/org/qinan/cedu/model/vo/ClassStudentLearningRecordVO.java
+++ b/safety-cedu-service/src/main/java/org/qinan/cedu/model/vo/ClassStudentLearningRecordVO.java
@@ -17,13 +17,13 @@ import java.time.LocalDateTime;
 public class ClassStudentLearningRecordVO extends BaseVO {
 
     @ApiModelProperty("学员ID")
-    private Long studentId;
+    private String studentId;
 
     @ApiModelProperty("所属班级ID")
-    private Long classId;
+    private String classId;
 
     @ApiModelProperty("课程ID")
-    private Long courseId;
+    private String courseId;
 
     @ApiModelProperty("课程名称")
     private String courseName;
diff --git a/safety-cedu-service/src/main/java/org/qinan/cedu/model/vo/ClassStudentVO.java b/safety-cedu-service/src/main/java/org/qinan/cedu/model/vo/ClassStudentVO.java
index 41d41535..e41ed636 100644
--- a/safety-cedu-service/src/main/java/org/qinan/cedu/model/vo/ClassStudentVO.java
+++ b/safety-cedu-service/src/main/java/org/qinan/cedu/model/vo/ClassStudentVO.java
@@ -18,7 +18,7 @@ import java.time.LocalDateTime;
 public class ClassStudentVO extends BaseVO {
 
     @ApiModelProperty("关联班级ID")
-    private Long classId;
+    private String classId;
 
     @ApiModelProperty("姓名")
     private String studentName;
diff --git a/safety-cedu-service/src/main/java/org/qinan/cedu/model/vo/CourseRelCoursewareVO.java b/safety-cedu-service/src/main/java/org/qinan/cedu/model/vo/CourseRelCoursewareVO.java
index 88594836..2017ef0a 100644
--- a/safety-cedu-service/src/main/java/org/qinan/cedu/model/vo/CourseRelCoursewareVO.java
+++ b/safety-cedu-service/src/main/java/org/qinan/cedu/model/vo/CourseRelCoursewareVO.java
@@ -28,13 +28,13 @@ public class CourseRelCoursewareVO {
      * 课件id
      */
     @ApiModelProperty("课件id")
-    private Long coursewareId;
+    private String coursewareId;
 
     /**
      * 课程id
      */
     @ApiModelProperty("课程id")
-    private Long courseId;
+    private String courseId;
 
     /**
      * 排序
diff --git a/safety-cedu-service/src/main/java/org/qinan/cedu/model/vo/CoursewareManagementVO.java b/safety-cedu-service/src/main/java/org/qinan/cedu/model/vo/CoursewareManagementVO.java
index ac228f33..c2f24923 100644
--- a/safety-cedu-service/src/main/java/org/qinan/cedu/model/vo/CoursewareManagementVO.java
+++ b/safety-cedu-service/src/main/java/org/qinan/cedu/model/vo/CoursewareManagementVO.java
@@ -76,5 +76,5 @@ public class CoursewareManagementVO extends BaseVO {
     private String coursewareDescription;
 
     @ApiModelProperty("习题ID")
-    private List<Long> questionIds;
+    private List<String> questionIds;
 }
\ No newline at end of file
diff --git a/safety-cedu-service/src/班级管理.sql b/safety-cedu-service/src/班级管理.sql
index 1148dce7..d4dd25ff 100644
--- a/safety-cedu-service/src/班级管理.sql
+++ b/safety-cedu-service/src/班级管理.sql
@@ -5,6 +5,7 @@ create table class_course
     class_id             bigint         not null comment '所属班级ID（关联training_class.id）',
     course_name          varchar(200)   not null comment '课程名称',
     course_id            bigint         not null comment '课程id',
+    courseware_id          text         not null comment '课件id集合',
     required_total_hours decimal(10, 2) null comment '要求完成总学时（小时）',
     video_duration       decimal(10, 2) null comment '视频累计时长（小时）',
     delete_enum          varchar(32)    null comment '删除标识true false',