update

mec-biz/src/main/java/com/ym/mec/biz/service/impl/StudentCourseHomeworkServiceImpl.java

@@ -109,8 +109,7 @@ public class StudentCourseHomeworkServiceImpl extends BaseServiceImpl<Long, Stud
         bean = studentCourseHomeworkDao.get(bean.getId());
         CourseSchedule courseSchedule = courseScheduleDao.get(bean.getCourseScheduleId());
 
-        CourseHomework courseHomework = new CourseHomework();
-        courseHomework.setId(bean.getCourseHomeworkId());
+        CourseHomework courseHomework = courseHomeworkDao.get(bean.getCourseHomeworkId());
         courseHomework.setGroupType(courseSchedule.getGroupType());
         courseHomework.setCompletedNum(studentCourseHomeworkDao.countCompletedStudentNum(bean.getCourseHomeworkId()));
         courseHomeworkService.update(courseHomework);