毕设作品列表：学生的查看作品权限调整

app/views/graduation_tasks/tasks_list.json.jbuilder

@@ -63,7 +63,7 @@ if @task.published? || @user_course_identity < Course::STUDENT
       json.late_penalty work.late_penalty if @task.allow_late
       json.final_score work_final_score work, @current_user, @user_course_identity
       json.assign @assign_power
-      json.view_work @view_work || @current_user.id == work.user_id
+      json.view_work @view_work || (@current_user.id == work.user_id && work.work_status != 0)
     end
   end
 end