diff --git a/app/views/users/_user_homework_form.html.erb b/app/views/users/_user_homework_form.html.erb
index 2159ec42a..b636f267e 100644
--- a/app/views/users/_user_homework_form.html.erb
+++ b/app/views/users/_user_homework_form.html.erb
@@ -18,7 +18,7 @@
     </div>
   </div>
   <div class="cl"></div>
-  <div id="homework_editor" style="display: none">
+  <div id="homework_editor" style="display: none"></div>
     <div class="mt10">
       <% if edit_mode %>
           <%= f.kindeditor :description, :editor_id => 'homework_description_editor', :height => "150px", :owner_id => homework.id, :owner_type => OwnerTypeHelper::HOMEWORKCOMMON %>
@@ -29,6 +29,7 @@
     </div>
     <div class="cl"></div>
 
+
     <div class="mt10">
       <!--<input type="text" class="InputBox  W700 SearchIcon" placeholder="发送到课程" />-->
       <%= select_tag :course_id, options_for_select(get_as_teacher_courses(User.current), homework.course_id), {:class => "InputBox  w720",:value => "请选择发布作业的课程"} %>
@@ -39,6 +40,7 @@
       <%= render :partial => 'users/user_homework_attachment', :locals => {:container => homework} %>
     </div>
 
+
   <div class="mt5">
     <a href="javascript:void(0);" class="BlueCirBtnMini fr" onclick=" submit_comm_homework('new_homework_common');">发送</a>
     <span class="fr mr10 mt3">或</span>
@@ -56,14 +58,14 @@
 
    <div class="advanced_option" style="display:none;">
       <div class="mt10">
-          <select class="InputBox W120" required="true" name="program[language]">
+          <select class="InputBox W120" name="program[language]">
               <option value="1" selected>C语言</option>
               <option value="2">C++</option>
             </select>
       </div>
       
       <div class="mt10">
-          <textarea class="InputBox  W320 fl mr10" placeholder="测试输入" required name="program[input][]"></textarea><textarea class="InputBox  W320  fl mr5" placeholder="测试输出" required name="program[output][]"></textarea>
+          <textarea class="InputBox  W320 fl mr10" placeholder="测试输入" name="program[input][]"></textarea><textarea class="InputBox  W320  fl mr5" placeholder="测试输出" name="program[output][]"></textarea>
           <a href="javascript:void(0);" class=" fl icon_add" title="增加测试组"></a>
           <div class="cl"></div>
       </div>
@@ -84,3 +86,8 @@
   </div>
 </script>
 
+<script type="text/javascript">
+    $(function (){
+        $("#course_id").append("<option value='-1' id='option_select' hidden selected>请选择发布作业的课程</option>");
+    });
+</script>