diff --git a/app/controllers/exercise_controller.rb b/app/controllers/exercise_controller.rb
index c8e5bf27c..d53dc067c 100644
--- a/app/controllers/exercise_controller.rb
+++ b/app/controllers/exercise_controller.rb
@@ -299,16 +299,21 @@ class ExerciseController < ApplicationController
 
   # 发布试卷
   def publish_exercise
+    @is_teacher = User.current.allowed_to?(:as_teacher,@course)
     @exercise.exercise_status = 2
     @exercise.publish_time = Time.now
     if @exercise.save
-      redirect_to exercise_index_url(:course_id=> @course.id)
+      #redirect_to exercise_index_url(:course_id=> @course.id)
+      respond_to do |format|
+        format.js
+      end
     end
   end
 
   # 重新发布试卷
   # 重新发布的时候会删除所有的答题
   def republish_exercise
+    @is_teacher = User.current.allowed_to?(:as_teacher,@course)
     @exercise.exercise_questions.each do |exercise_question|
       exercise_question.exercise_answers.destroy_all
     end
diff --git a/app/views/exercise/_edit_MC.html.erb b/app/views/exercise/_edit_MC.html.erb
index a1c8aa8b1..008c95c24 100644
--- a/app/views/exercise/_edit_MC.html.erb
+++ b/app/views/exercise/_edit_MC.html.erb
@@ -50,7 +50,7 @@
         </ul>
       </div>
       <div class="ur_editor_footer">
-        <a class="btn btn_dark btn_submit c_white" data-button="ok" onclick="edit_poll_question($(this),<%= exercise_question.id %>);">
+        <a class="btn btn_dark btn_submit c_white" data-button="ok" onclick="edit_poll_question($(this),<%= exercise_question.id %>,1);">
           保存
         </a>
         <a class="btn btn_light btn_cancel" data-button="cancel" onclick="resetQuestion<%=exercise_question.id%>();pollQuestionCancel(<%= exercise_question.id%>);">
diff --git a/app/views/exercise/_edit_MCQ.html.erb b/app/views/exercise/_edit_MCQ.html.erb
index a3ae74324..2b900d648 100644
--- a/app/views/exercise/_edit_MCQ.html.erb
+++ b/app/views/exercise/_edit_MCQ.html.erb
@@ -50,7 +50,7 @@
         </ul>
       </div>
       <div class="ur_editor_footer">
-        <a class="btn btn_dark btn_submit c_white" data-button="ok" onclick="edit_poll_question($(this),<%= exercise_question.id %>);">
+        <a class="btn btn_dark btn_submit c_white" data-button="ok" onclick="edit_poll_question($(this),<%= exercise_question.id %>,2);">
           保存
         </a>
         <a class="btn btn_light btn_cancel" data-button="cancel" onclick="resetQuestion<%=exercise_question.id%>();pollQuestionCancel(<%= exercise_question.id%>);">
diff --git a/app/views/exercise/_edit_single.html.erb b/app/views/exercise/_edit_single.html.erb
index d22747457..d2e4a6f2c 100644
--- a/app/views/exercise/_edit_single.html.erb
+++ b/app/views/exercise/_edit_single.html.erb
@@ -46,7 +46,7 @@
         </ul>
       </div>
       <div class="ur_editor_footer">
-        <a class="btn btn_dark btn_submit c_white" data-button="ok" onclick="edit_poll_question($(this),<%= exercise_question.id %>);">
+        <a class="btn btn_dark btn_submit c_white" data-button="ok" onclick="edit_poll_question($(this),<%= exercise_question.id %>,3);">
           保存
         </a>
         <a class="btn btn_light btn_cancel" data-button="cancel" onclick="resetQuestion<%=exercise_question.id%>();pollQuestionCancel(<%= exercise_question.id%>);">
diff --git a/app/views/exercise/_exercise_form.html.erb b/app/views/exercise/_exercise_form.html.erb
index 0d6b8602d..1f415886f 100644
--- a/app/views/exercise/_exercise_form.html.erb
+++ b/app/views/exercise/_exercise_form.html.erb
@@ -80,29 +80,29 @@
     }
 
     //添加标题时确定按钮
-    function add_poll_question(doc,quest_type,quest_id)
+    function add_poll_question(doc,quest_type)
     {
         var title = $.trim($("#poll_questions_title").val());
         var score = $.trim($("#question_score").val());
         var standard_ans = $.trim($("#question_standard_ans").val());
         if(title.length == 0 || score.length == 0){
             alert("题目标题/分数不能为空");
-        }/*else if(standard_ans.length == 0) {
+        }else if(quest_type !=3 && standard_ans.length == 0) {
             alert("标准答案不能为空");
-        }*/else{
+        }else{
             doc.parent().parent().parent().submit();}
     }
     //修改标题时确定按钮
-    function edit_poll_question(doc,id)
+    function edit_poll_question(doc,id,quest_type)
     {
         var title = $.trim($("#poll_questions_title_" + id).val());
         var score = $.trim($("#poll_question_score_"+ id).val());
         var standard_ans = $.trim($("#poll_question_standard_answer_" + id).val());
         if(title.length == 0 || score.length == 0){
             alert("题目标题/分数不能为空");
-        }/*else if(standard_ans.length == 0) {
+        }else if(quest_type !=3 && standard_ans.length == 0) {
             alert("标准答案不能为空");
-        }*/else{
+        }else{
             doc.parent().parent().parent().submit();}
     }
 
diff --git a/app/views/exercise/_exercise_student.html.erb b/app/views/exercise/_exercise_student.html.erb
index 0f51dfeb7..45d6ccf70 100644
--- a/app/views/exercise/_exercise_student.html.erb
+++ b/app/views/exercise/_exercise_student.html.erb
@@ -191,7 +191,7 @@
 
                       }
                   </script>
-                  <input class="fillInput" placeholder="在此填入答案" type="text" value="<%= get_anwser_vote_text(exercise_question.id,User.current.id).html_safe %>" onblur="onblur_<%= exercise_question.id %>(this);" <%= @can_edit_excercise?"":"disabled=disabled" %>>
+                  <input class="fillInput" placeholder="在此填入答案" type="text" value="" onblur="onblur_<%= exercise_question.id %>(this);" <%= @can_edit_excercise?"":"disabled=disabled" %>>
                 </div>
               </div>
             </div>
diff --git a/app/views/exercise/_exercise_student_result.html.erb b/app/views/exercise/_exercise_student_result.html.erb
index 32cb556b3..b9306b0d2 100644
--- a/app/views/exercise/_exercise_student_result.html.erb
+++ b/app/views/exercise/_exercise_student_result.html.erb
@@ -46,7 +46,7 @@
                         <tr>
                           <td>
                             <label>
-                              <%= radio_button "poll_vote","poll_answer_id",exercise_choice.id,:class=>"ur_radio",:checked => answer_be_selected?(exercise_choice,User.current),:disabled => !@can_edit_excercise %>
+                              <%= radio_button "exercise",exercise_question.id.to_s+"exercise_choice_id",exercise_choice.id,:class=>"ur_radio",:checked => answer_be_selected?(exercise_choice,User.current),:disabled => !@can_edit_excercise %>
                               <%= convert_to_char((index+1).to_s)%>&nbsp;&nbsp;<%= exercise_choice.choice_text%>
                             </label>
                           </td>
diff --git a/app/views/exercise/_exercises_list.html.erb b/app/views/exercise/_exercises_list.html.erb
index 16fa24b0e..d1774f637 100644
--- a/app/views/exercise/_exercises_list.html.erb
+++ b/app/views/exercise/_exercises_list.html.erb
@@ -11,7 +11,7 @@
 <div id="polls_list" class="polls_list">
 
   <% @exercises.each do |exercise|%>
-      <ul id="polls_<%= exercise.id %>" class="polls_list_ul">
+      <ul id="exercises_<%= exercise.id %>" class="polls_list_ul">
         <%= render :partial => 'exercise', :locals => {:exercise => exercise} %>
       </ul>
       <div class="cl"></div>
diff --git a/app/views/exercise/_new_MC.html.erb b/app/views/exercise/_new_MC.html.erb
index b749c4374..d65e01ca7 100644
--- a/app/views/exercise/_new_MC.html.erb
+++ b/app/views/exercise/_new_MC.html.erb
@@ -52,7 +52,7 @@
     </ul>
   </div>
   <div class="ur_editor_footer">
-    <a class="btn btn_dark btn_submit c_white" data-button="ok" onclick="add_poll_question($(this));"> 保存 </a>
+    <a class="btn btn_dark btn_submit c_white" data-button="ok" onclick="add_poll_question($(this),1);"> 保存 </a>
     <a class="btn btn_light btn_cancel" data-button="cancel" onclick="$(this).parent().parent().parent().remove();"> 取消 </a>
   </div>
   <div class="cl"></div>
diff --git a/app/views/exercise/_new_MCQ.html.erb b/app/views/exercise/_new_MCQ.html.erb
index a7029d3ea..0555b997c 100644
--- a/app/views/exercise/_new_MCQ.html.erb
+++ b/app/views/exercise/_new_MCQ.html.erb
@@ -52,7 +52,7 @@
     </ul>
   </div>
   <div class="ur_editor_footer">
-    <a class="btn btn_dark btn_submit c_white" data-button="ok" onclick="add_poll_question($(this));"> 保存 </a>
+    <a class="btn btn_dark btn_submit c_white" data-button="ok" onclick="add_poll_question($(this),2);"> 保存 </a>
     <a class="btn btn_light btn_cancel" data-button="cancel" onclick="$(this).parent().parent().parent().remove();"> 取消 </a>
   </div>
   <div class="cl"></div>
diff --git a/app/views/exercise/_new_question.html.erb b/app/views/exercise/_new_question.html.erb
index 6148c9bb9..faadb08a9 100644
--- a/app/views/exercise/_new_question.html.erb
+++ b/app/views/exercise/_new_question.html.erb
@@ -8,7 +8,9 @@
 <script type="text/javascript">
     function add_MC(){
         var forms = $("form.new_exercise_question");
-        if(forms.length > 0){
+        if($("#polls_head_edit").is(":visible")){
+            alert("请先保存测验标题及测验基本信息。");
+        }else if(forms.length > 0){
             alert("请先保存正在编辑的题目再新建。");
         } else{
             $("#new_poll_question").html("<%= escape_javascript(render :partial => 'new_MC', :locals => {:exercise=>exercise}) %>");
@@ -18,7 +20,9 @@
 
     function add_MCQ(){
         var forms = $("form.new_exercise_question");
-        if(forms.length > 0){
+        if($("#polls_head_edit").is(":visible")){
+            alert("请先保存测验标题及测验基本信息。");
+        }else if(forms.length > 0){
             alert("请先保存正在编辑的题目再新建。");
         } else{
             $("#new_poll_question").html("<%= escape_javascript(render :partial => 'new_MCQ', :locals => {:exercise=>exercise}) %>");
@@ -28,7 +32,9 @@
 
     function add_single(){
         var forms = $("form.new_exercise_question");
-        if(forms.length > 0){
+        if($("#polls_head_edit").is(":visible")){
+            alert("请先保存测验标题及测验基本信息。");
+        }else if(forms.length > 0){
             alert("请先保存正在编辑的题目再新建。");
         } else{
             $("#new_poll_question").html("<%= escape_javascript(render :partial => 'new_single', :locals => {:exercise=>exercise}) %>");
diff --git a/app/views/exercise/_new_single.html.erb b/app/views/exercise/_new_single.html.erb
index 1ee79e198..08b31087a 100644
--- a/app/views/exercise/_new_single.html.erb
+++ b/app/views/exercise/_new_single.html.erb
@@ -40,7 +40,7 @@
     </ul>
   </div>
   <div class="ur_editor_footer">
-    <a class="btn btn_dark btn_submit c_white" data-button="ok" onclick="add_poll_question($(this));"> 保存 </a>
+    <a class="btn btn_dark btn_submit c_white" data-button="ok" onclick="add_poll_question($(this),3);"> 保存 </a>
     <a class="btn btn_light btn_cancel" data-button="cancel" onclick="$(this).parent().parent().parent().remove();"> 取消 </a>
   </div>
   <div class="cl"></div>
diff --git a/app/views/exercise/_show_MC.html.erb b/app/views/exercise/_show_MC.html.erb
index 6f3081e5f..f6ee29266 100644
--- a/app/views/exercise/_show_MC.html.erb
+++ b/app/views/exercise/_show_MC.html.erb
@@ -90,7 +90,7 @@
                                 '</ul>'+
                                 '</div>'+
                                 '<div class="ur_editor_footer">'+
-                                '<a class="btn btn_dark btn_submit c_white" data-button="ok" onclick="add_poll_question($(this));">'+
+                                '<a class="btn btn_dark btn_submit c_white" data-button="ok" onclick="add_poll_question($(this),1);">'+
                                 '保存'+
                                 '</a>'+
                                 '<a class="btn btn_light btn_cancel" data-button="cancel" onclick="$(this).parent().parent().parent().remove();">'+
diff --git a/app/views/exercise/_show_MCQ.html.erb b/app/views/exercise/_show_MCQ.html.erb
index e4bdad3f1..d7a7c2b6d 100644
--- a/app/views/exercise/_show_MCQ.html.erb
+++ b/app/views/exercise/_show_MCQ.html.erb
@@ -89,7 +89,7 @@
                                 '</ul>'+
                                 '</div>'+
                                 '<div class="ur_editor_footer">'+
-                                '<a class="btn btn_dark btn_submit c_white" data-button="ok" onclick="add_poll_question($(this));">'+
+                                '<a class="btn btn_dark btn_submit c_white" data-button="ok" onclick="add_poll_question($(this),2);">'+
                                 '保存'+
                                 '</a>'+
                                 '<a class="btn btn_light btn_cancel" data-button="cancel" onclick="$(this).parent().parent().parent().remove();">'+
diff --git a/app/views/exercise/_show_single.html.erb b/app/views/exercise/_show_single.html.erb
index 8223f98fd..a6bb5afe9 100644
--- a/app/views/exercise/_show_single.html.erb
+++ b/app/views/exercise/_show_single.html.erb
@@ -65,7 +65,7 @@
                                 '</ul>'+
                                 '</div>'+
                                 '<div class="ur_editor_footer">'+
-                                '<a class="btn btn_dark btn_submit c_white" data-button="ok" onclick="add_poll_question($(this));">'+
+                                '<a class="btn btn_dark btn_submit c_white" data-button="ok" onclick="add_poll_question($(this),3);">'+
                                 '保存'+
                                 '</a>'+
                                 '<a class="btn btn_light btn_cancel" data-button="cancel" onclick="$(this).parent().parent().parent().remove();">'+
diff --git a/app/views/exercise/index.html.erb b/app/views/exercise/index.html.erb
index 1e2d6ff34..3cff84e1c 100644
--- a/app/views/exercise/index.html.erb
+++ b/app/views/exercise/index.html.erb
@@ -5,7 +5,7 @@
         $('#ajax-modal').html("<div id='popbox02'>" +
                 "<div class='upload_con'>" +
                 "<div class='upload_box'>" +
-                "<p class='polls_box_p'>取消发布后问卷统计结果将会被清空<br />是否确定取消发布该问卷？</p>" +
+                "<p class='polls_box_p'>取消发布后学生答题将会被清空<br />是否确定取消发布该测验？</p>" +
                 "<div class='polls_btn_box'>" +
                 "<a href='/exercise/"+ exercise_id +"/republish_exercise' class='upload_btn' onclick='clickCanel();' data-remote='true'>确&nbsp;&nbsp;定</a>" +
                 "<a class='upload_btn upload_btn_grey' onclick='clickCanel();'>取&nbsp;&nbsp;消</a>" +
diff --git a/app/views/exercise/republish_exercise.js.erb b/app/views/exercise/republish_exercise.js.erb
index 320cd3cf0..b7172fe9e 100644
--- a/app/views/exercise/republish_exercise.js.erb
+++ b/app/views/exercise/republish_exercise.js.erb
@@ -1,4 +1,4 @@
-$("#exercises_<%= @exercise.id %>").html("<%= escape_javascript(render :partial => 'exercise_content',:locals => {:exercise => @exercise}) %>");
+$("#exercises_<%= @exercise.id %>").html("<%= escape_javascript(render :partial => 'exercise',:locals => {:exercise => @exercise}) %>");
 $('#ajax-modal').html("<%= escape_javascript(render :partial => 'alert', locals: { :message => l(:label_poll_republish_success)}) %>");
 showModal('ajax-modal', '250px');
 //$('#ajax-modal').css('height','80px');