diff --git a/app/views/homework_common/_homework_detail_programing_form.html.erb b/app/views/homework_common/_homework_detail_programing_form.html.erb
index 7b732d7c3..6808f8cfe 100644
--- a/app/views/homework_common/_homework_detail_programing_form.html.erb
+++ b/app/views/homework_common/_homework_detail_programing_form.html.erb
@@ -67,15 +67,15 @@
     </li>
 
     <% if edit_mode %>
-        <% homework.homework_tests.each_with_index do |homework_test,i|%>
+        <% homework.homework_tests.each do |homework_test|%>
             <div>
               <li>
                 <label class="label02">&nbsp;测试输入：&nbsp;</label>
-                <input type="text" class="fl h26 w186 mb10" name="input[<%= i%>]" value="<%= homework_test.input%>"/>
+                <input type="text" class="fl h26 w186 mb10" name="input[<%= homework_test.id%>]" value="<%= homework_test.input%>"/>
               </li>
               <li >
                 <label class=" fl f14 ml10">&nbsp;输出：&nbsp;</label>
-                <input type="text" class="fl h26 w186  mb10" name="output[<%= i%>]" value="<%= homework_test.output%>"/>
+                <input type="text" class="fl h26 w186  mb10" name="output[<%= homework_test.id%>]" value="<%= homework_test.output%>"/>
               </li>
               <li>
                 <a class="icon_add ml10 " href="javascript:void(0);" title="添加测试" onclick="add_programing_test($(this).parent().parent())"></a>