diff --git a/app/controllers/admin_controller.rb b/app/controllers/admin_controller.rb
index e6e0ec087..8ae20972c 100644
--- a/app/controllers/admin_controller.rb
+++ b/app/controllers/admin_controller.rb
@@ -610,15 +610,33 @@ class AdminController < ApplicationController
     tStart = @page*30
     @code_work_tests  = CodeTests.find_by_sql("select * from code_tests order by id desc limit #{tStart},30 ")
 
-    #取出各个作业是否是模拟答题的
+    #取出各个作品是否是模拟答题的
     is_test = {}
+    #作品是否存在
+    link_swork = {}
+    #作业是否存在
+    link_hwork = {}
     @code_work_tests.each do |test|
+      #作品是否存在
       if is_test[test['student_work_id']] != nil
+          test['link_swork'] = link_swork[test['student_work_id']]
           test['is_test'] = is_test[test['student_work_id']]
       else
-          test['is_test'] = StudentWork.find(test['student_work_id']).is_test
+          work = StudentWork.where("id=?",test['student_work_id']).first
+          test['link_swork'] = !work.nil?
+          test['is_test'] = work.nil? ? false : work.is_test
           #test['is_test'] = CodeTests.find_by_sql("select is_test from student_works where id = #{test['student_work_id']}").first['is_test']
           is_test[test['student_work_id']] = test['is_test']
+          link_swork[test['student_work_id']] = test['link_swork']
+      end
+
+      #作业是否存在
+      if link_hwork[test['homework_id']] != nil
+        test['link_hwork'] = link_hwork[test['homework_id']]
+      else
+        hwork = HomeworkCommon.where("id=?",test['homework_id']).first
+        test['link_hwork'] = !hwork.nil?
+        link_hwork[test['homework_id']] = test['link_hwork']
       end
     end
 
diff --git a/app/views/admin/code_work_tests.html.erb b/app/views/admin/code_work_tests.html.erb
index cb113f1e6..64c3a41e1 100644
--- a/app/views/admin/code_work_tests.html.erb
+++ b/app/views/admin/code_work_tests.html.erb
@@ -37,13 +37,21 @@
         <% if test['homework_id'] != nil %>
             <tr class="<%= cycle("odd", "even") %>">
               <td style="text-align: center; " title='<%=test['homework_id']%>'>
-                <%=link_to(test['homework_id'], student_work_index_path(:homework => test['homework_id']))%>
+                <% if test['link_hwork'] %>
+                    <%=link_to(test['homework_id'], student_work_index_path(:homework => test['homework_id']))%>
+                <% else %>
+                    <%= test['homework_id'] %>
+                <% end %>
               </td>
               <td style="text-align: center; " title='<%=test['student_work_id']%>'>
-                <% if !test['is_test'] %>
-                    <%=link_to(test['student_work_id'], student_work_index_path(:homework => test['homework_id'],:student_work_id=>test['student_work_id']))%>
+                <% if test['link_swork'] && test['link_hwork'] %>
+                    <% if !test['is_test'] %>
+                        <%=link_to(test['student_work_id'], student_work_index_path(:homework => test['homework_id'],:student_work_id=>test['student_work_id']))%>
+                    <% else %>
+                        <%=link_to(test['student_work_id'], new_user_commit_homework_users_path(homework_id: test['homework_id'], is_test: true))%>
+                    <% end %>
                 <% else %>
-                    <%=link_to(test['student_work_id'], new_user_commit_homework_users_path(homework_id: test['homework_id'], is_test: true))%>
+                     <%= test['student_work_id'] %>
                 <% end %>
               </td>
               <td style="text-align: center;">