diff --git a/app/views/users/_user_homework_detail.html.erb b/app/views/users/_user_homework_detail.html.erb
index 780b1c6eb..e483f3daf 100644
--- a/app/views/users/_user_homework_detail.html.erb
+++ b/app/views/users/_user_homework_detail.html.erb
@@ -74,6 +74,9 @@
             <div class="homepagePostSubmit">
               <%= link_to "模拟答题", new_user_commit_homework_users_path(homework_id: homework_common.id, is_test: true), class: 'c_blue test-program-btn', title: '教师可以通过模拟答题设置作业的标准答案' %>
             </div>
+            <div class="homepagePostSubmit">
+              <%= link_to "代码查重", work_canrepeat_student_work_index_path(homework: homework_common.id, course_id: homework_common.course_id), class: 'c_blue test-program-btn',:remote => true %>
+            </div>
         <% end %>
         <% if homework_common.homework_type == 2%>
             <div class="homepagePostDeadline mr15">