fix:课后作业详情

cooleshow-user/user-biz/src/main/resources/config/mybatis/CourseHomeworkMapper.xml

@@ -204,8 +204,8 @@
         ,if(sch.id_ is not null and date_add(sch.submit_time_,INTERVAL #{homeworkExpireTime} DAY) < now(),1,0) as homeworkExpire
         from course_schedule cs
         left join course_homework ch on ch.course_schedule_id_ = cs.id_
-        left join student_course_homework sch on ch.id_ = sch.course_homework_id_
         left join course_schedule_student_payment cssp on cs.id_ = cssp.course_id_
+        left join student_course_homework sch  on sch.course_schedule_id_ = cssp.course_id_ and sch.student_id_ = cssp.user_id_
         <where>
             <if test="courseId != null">
                 and cs.id_ = #{courseId}