diff --git a/safety-cedu-service/src/main/java/org/qinan/cedu/model/dto/CourseRelCoursewareDTO.java b/safety-cedu-service/src/main/java/org/qinan/cedu/model/dto/CourseRelCoursewareDTO.java
index 60014e74..0f47227e 100644
--- a/safety-cedu-service/src/main/java/org/qinan/cedu/model/dto/CourseRelCoursewareDTO.java
+++ b/safety-cedu-service/src/main/java/org/qinan/cedu/model/dto/CourseRelCoursewareDTO.java
@@ -52,4 +52,10 @@ public class CourseRelCoursewareDTO {
      */
     @ApiModelProperty("课时时长（小时）")
     private BigDecimal classHourDuration;
+
+    /**
+     * 学时
+     */
+    @ApiModelProperty("学时")
+    private BigDecimal creditHours;
 }
\ No newline at end of file
diff --git a/safety-cedu-service/src/main/java/org/qinan/cedu/model/dto/CourseRelCoursewareVO.java b/safety-cedu-service/src/main/java/org/qinan/cedu/model/dto/CourseRelCoursewareVO.java
index c32933ad..293820bf 100644
--- a/safety-cedu-service/src/main/java/org/qinan/cedu/model/dto/CourseRelCoursewareVO.java
+++ b/safety-cedu-service/src/main/java/org/qinan/cedu/model/dto/CourseRelCoursewareVO.java
@@ -47,4 +47,10 @@ public class CourseRelCoursewareVO {
      */
     @ApiModelProperty("课时时长（小时）")
     private BigDecimal classHourDuration;
+
+    /**
+     * 学时
+     */
+    @ApiModelProperty("学时")
+    private BigDecimal creditHours;
 }
\ No newline at end of file
diff --git a/safety-cedu-service/src/main/java/org/qinan/cedu/model/entity/CourseRelCoursewareDO.java b/safety-cedu-service/src/main/java/org/qinan/cedu/model/entity/CourseRelCoursewareDO.java
index 4d6159cd..22fb6327 100644
--- a/safety-cedu-service/src/main/java/org/qinan/cedu/model/entity/CourseRelCoursewareDO.java
+++ b/safety-cedu-service/src/main/java/org/qinan/cedu/model/entity/CourseRelCoursewareDO.java
@@ -55,4 +55,10 @@ public class CourseRelCoursewareDO {
      */
     @TableField(value = "class_hour_duration")
     private BigDecimal classHourDuration;
+
+    /**
+     * 学时
+     */
+    @TableField(value = "credit_hours")
+    private BigDecimal creditHours;
 }
\ No newline at end of file
diff --git a/safety-cedu-service/src/main/java/org/qinan/cedu/service/impl/CourseManagementServiceImpl.java b/safety-cedu-service/src/main/java/org/qinan/cedu/service/impl/CourseManagementServiceImpl.java
index e9b5fac3..aa7e0487 100644
--- a/safety-cedu-service/src/main/java/org/qinan/cedu/service/impl/CourseManagementServiceImpl.java
+++ b/safety-cedu-service/src/main/java/org/qinan/cedu/service/impl/CourseManagementServiceImpl.java
@@ -88,7 +88,7 @@ public class CourseManagementServiceImpl extends ServiceImpl<CourseManagementMap
         }
         List<CourseRelCoursewareDO> courseRelCoursewareDOS = courseRelCoursewareConvertor.convertDtoListToEList(dto.getCourseRelCoursewareDTOList());
         if (entity.getClassHourDuration() == null) {
-            entity.setClassHourDuration(courseRelCoursewareDOS.stream().map(CourseRelCoursewareDO::getClassHourDuration).filter(Objects::nonNull)
+            entity.setClassHourDuration(courseRelCoursewareDOS.stream().map(CourseRelCoursewareDO::getCreditHours).filter(Objects::nonNull)
                     .reduce(BigDecimal.ZERO, BigDecimal::add));
         }
         this.save(entity);
@@ -108,7 +108,7 @@ public class CourseManagementServiceImpl extends ServiceImpl<CourseManagementMap
                 .eq(CourseRelCoursewareDO::getCourseId, entity.getId()));
         List<CourseRelCoursewareDO> courseRelCoursewareDOS = courseRelCoursewareConvertor.convertDtoListToEList(dto.getCourseRelCoursewareDTOList());
         if (entity.getClassHourDuration() == null) {
-            entity.setClassHourDuration(courseRelCoursewareDOS.stream().map(CourseRelCoursewareDO::getClassHourDuration).filter(Objects::nonNull)
+            entity.setClassHourDuration(courseRelCoursewareDOS.stream().map(CourseRelCoursewareDO::getCreditHours).filter(Objects::nonNull)
                     .reduce(BigDecimal.ZERO, BigDecimal::add));
         }
         this.updateById(entity);
diff --git a/safety-cedu-service/src/test/java/db.sql b/safety-cedu-service/src/test/java/db.sql
index 84891eb8..4507e275 100644
--- a/safety-cedu-service/src/test/java/db.sql
+++ b/safety-cedu-service/src/test/java/db.sql
@@ -157,17 +157,20 @@ create table course_management
 
 create table course_rel_courseware
 (
-    id                       bigint                     not null comment '主键'
+    id                       bigint                                not null comment '主键'
         primary key,
-    courseware_name          varchar(200)               null comment '课件名称',
-    courseware_document      varchar(512)               null comment '课件文档（文件名或路径）',
-    courseware_id            bigint                     null comment '课件id',
-    course_id                bigint                     null comment '课程id',
-    sort                     int                        null comment '排序',
-    class_hour_duration_unit varchar(10) default '小时' null comment '课时时长单位'
+    courseware_name          varchar(200)                          null comment '课件名称',
+    courseware_document      varchar(512)                          null comment '课件文档（文件名或路径）',
+    courseware_id            bigint                                null comment '课件id',
+    course_id                bigint                                null comment '课程id',
+    sort                     int                                   null comment '排序',
+    class_hour_duration_unit varchar(10)            default '小时' null comment '课时时长单位',
+    credit_hours             decimal(5, 1) unsigned default 0.0    null comment '学时'
 )
     comment '课程关联课件表';
 
+
+
 create table courseware_management
 (
     delete_enum            varchar(32) charset utf8mb4        null comment '删除标识true false',