diff --git a/app/views/student_work/_student_work_list.html.erb b/app/views/student_work/_student_work_list.html.erb
index 213bf267a..ac06d900e 100644
--- a/app/views/student_work/_student_work_list.html.erb
+++ b/app/views/student_work/_student_work_list.html.erb
@@ -18,7 +18,7 @@
         <input type="text" id="course_student_name" value="<%= @name%>" placeholder="姓名、学号、邮箱" class="hworkSearchInput" onkeypress="SearchByName('<%= student_work_index_path(:homework => @homework.id)%>',event);"/>
         <a class="hworkSearchIcon" id="search_in_student_work" onclick="SearchByName_1('<%= student_work_index_path(:homework => @homework.id)%>');" href="javascript:void(0)"></a>
       </div>
-      <%if @homework.homework_type == 2 %>
+      <%if @homework.homework_type == 2 && @is_teacher %>
           <%= link_to "代码查重", work_canrepeat_student_work_index_path(homework:@homework.id, course_id:@course.id), class: 'BlueCirBtn fr',:remote => true %>
       <% end %>
       <%= select_tag(:student_work_in_group,options_for_select(course_group_list(@course),@group), {:class => "classSplit"}) unless course_group_list(@course).empty?  %>