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 5e53c4b15..7c66df057 100644
--- a/app/views/homework_common/_homework_detail_programing_form.html.erb
+++ b/app/views/homework_common/_homework_detail_programing_form.html.erb
@@ -78,7 +78,7 @@
 
     <li >
       <label class="label02">&nbsp;标准代码：&nbsp;</label>
-      <textarea  name="standard_code"  class=" w547 h150 mb10 fl"><%= homework.homework_detail_programing.standard_code%></textarea>
+      <textarea  name="standard_code"  class=" w547 h150 mb10 fl" oninput="init_programing_test();" onpropertychange="init_programing_test()"><%= homework.homework_detail_programing.standard_code%></textarea>
       <div class="cl"></div>
     </li>
 
@@ -96,7 +96,7 @@
               <li>
                 <a class="icon_add ml10 " href="javascript:void(0);" title="添加测试" onclick="add_programing_test($(this).parent().parent())"></a>
                 <a class="icon_remove" href="javascript:void(0);" title="删除测试" onclick="remove_programing_test($(this).parent().parent())"></a>
-                <a class="blue_btn fl ml5 mt1" onclick="programing_test('<%= homework_test.id%>')" id="test_send_<%= homework_test.id%>">测试</a>
+                <a class="blue_btn fl ml5 mt1 programing_test" onclick="programing_test('<%= homework_test.id%>')" id="test_send_<%= homework_test.id%>">测试</a>
                 <input type="hidden"  id="test_result_<%= homework_test.id%>" name="result[<%= homework_test.id%>]"  />
               </li>
               <div class="cl"></div>
@@ -115,7 +115,7 @@
           <li>
             <a class="icon_add ml10 " href="javascript:void(0);" title="添加测试" onclick="add_programing_test($(this).parent().parent())"></a>
             <a class="icon_remove" href="javascript:void(0);" title="删除测试" onclick="remove_programing_test($(this).parent().parent())"></a>
-            <a class="blue_btn fl ml5 mt1" onclick="programing_test('0')" id="test_send_0">测试</a>
+            <a class="blue_btn fl ml5 mt programing_test" onclick="programing_test('0')" id="test_send_0">测试</a>
             <input type="hidden"  id="test_result_0" name="result[0]"  />
           </li>
           <div class="cl"></div>
@@ -142,4 +142,12 @@
                 }
         );
     }
+
+    function init_programing_test()
+    {
+        $(".programing_test").each(function(){
+            $(this).removeClass("green_btn red_btn").addClass("blue_btn").text("测试");
+            $(this).next("input").val("");
+        });
+    }
 </script>
\ No newline at end of file
diff --git a/app/views/homework_common/programing_test.js.erb b/app/views/homework_common/programing_test.js.erb
index 74ec9439a..8f76642f1 100644
--- a/app/views/homework_common/programing_test.js.erb
+++ b/app/views/homework_common/programing_test.js.erb
@@ -1,2 +1,2 @@
-$("#test_send_<%= @index%>").replaceWith("<a class='<%= @result == 0 ? 'green_btn' : 'red_btn'%> fl ml5 mt1' onclick='programing_test(<%= @index%>)' id='test_send_<%= @index%>'><%= @result == 0 ? '正确' : '错误'%></a>");
+$("#test_send_<%= @index%>").replaceWith("<a class='<%= @result == 0 ? 'green_btn' : 'red_btn'%> fl ml5 mt1 programing_test' onclick='programing_test(<%= @index%>)' id='test_send_<%= @index%>'><%= @result == 0 ? '正确' : '错误'%></a>");
 $("#test_result_<%= @index%>").val("<%= @result%>");
\ No newline at end of file
diff --git a/public/javascripts/course.js b/public/javascripts/course.js
index c7b01cee1..6ba202b28 100644
--- a/public/javascripts/course.js
+++ b/public/javascripts/course.js
@@ -550,7 +550,7 @@ function add_programing_test(obj) {
         "</li><li ><label class='fl f14 ml10'>&nbsp;输出：&nbsp;</label><input type='text' class='fl h26 w190  mb10' name='output[" + now +"]' />" +
         "</li><li><a class='icon_add ml10' href='javascript:void(0);' title='添加测试' onclick='add_programing_test($(this).parent().parent())'></a>" +
         "<a class='icon_remove' href='javascript:void(0);' title='删除测试' onclick='remove_programing_test($(this).parent().parent())'></a>" +
-        "<a class='blue_btn fl ml5 mt1' onclick='programing_test("+ now +")' id='test_send_" + now + "'>测试</a>" +
+        "<a class='blue_btn fl ml5 mt1 programing_test' onclick='programing_test("+ now +")' id='test_send_" + now + "'>测试</a>" +
         "<input type='hidden'  id='test_result_" + now +"' name='result[" + now +"]'/>" +
         "</li><div class='cl'></div></div>");
 }