diff --git a/app/views/exercise/_edit_MC.html.erb b/app/views/exercise/_edit_MC.html.erb
index 3acad269c..8358bb1d6 100644
--- a/app/views/exercise/_edit_MC.html.erb
+++ b/app/views/exercise/_edit_MC.html.erb
@@ -1,4 +1,3 @@
-<div nhname="edit_exercise_mc_q_<%= exercise_question.id %>">
 <%= form_for("",:url => update_exercise_question_exercise_index_path(:exercise_question => exercise_question.id),:remote => true) do |f|%>
     <!--编辑单选start-->
     <script type="text/javascript">
@@ -32,7 +31,7 @@
           <input style="display: none;" name="exercise_choice" id="exercise_choice_<%=exercise_question.id%>" value="<%= convert_to_char(exercise_question.exercise_standard_answers.first.exercise_choice_id.to_s) %>"/>
           <label class="panel-form-label fl"><span class="mr10">题目</span></label>
           <input name="question_type" value="<%=exercise_question.question_type %>" type="hidden">
-          <textarea name="question_title" id="poll_questions_title_<%=exercise_question.id %>" class="panel-form-width2-690 fl panel-box-sizing" placeholder="请输入单选题的题干"><%=exercise_question.question_title.html_safe %></textarea>
+          <textarea name="question_title" id="poll_questions_title_<%=exercise_question.id %>" class="panel-form-width2-690 fl panel-box-sizing undis" placeholder="请输入单选题的题干"><%=exercise_question.question_title.html_safe %></textarea>
         </li>
         <% exercise_question.exercise_choices.reorder("choice_position").each_with_index do |exercise_choice,index| %>
             <li class="clearfix pr mb20">
@@ -62,4 +61,4 @@
         </li>
       </div>
     </div>
-</div>
\ No newline at end of file
+<% end %>
\ No newline at end of file
diff --git a/app/views/exercise/_edit_MCQ.html.erb b/app/views/exercise/_edit_MCQ.html.erb
index 3784bb800..13c81ec33 100644
--- a/app/views/exercise/_edit_MCQ.html.erb
+++ b/app/views/exercise/_edit_MCQ.html.erb
@@ -32,7 +32,7 @@
         <input style="display: none;" name="exercise_choice" id="exercise_choice_<%=exercise_question.id%>" value="<%= convert_to_char(exercise_question.exercise_standard_answers.first.exercise_choice_id.to_s) %>"/>
         <label class="panel-form-label fl"><span class="mr10">题目</span></label>
         <input name="question_type" value="<%=exercise_question.question_type %>" type="hidden">
-        <textarea name="question_title" id="poll_questions_title_<%=exercise_question.id %>" class="panel-form-width2-690 fl panel-box-sizing" placeholder="请输入多选题的题干" type="text" oninput="autoHeight('#poll_questions_title_<%=exercise_question.id %>',30)"><%=exercise_question.question_title %></textarea>
+        <textarea name="question_title" id="poll_questions_title_<%=exercise_question.id %>" class="panel-form-width2-690 fl panel-box-sizing undis"><%=exercise_question.question_title.html_safe %></textarea>
       </li>
 
       <% exercise_question.exercise_choices.reorder("choice_position").each_with_index do |exercise_choice,index| %>
diff --git a/app/views/exercise/_edit_multi.html.erb b/app/views/exercise/_edit_multi.html.erb
index c5739c7a0..c8d0d913a 100644
--- a/app/views/exercise/_edit_multi.html.erb
+++ b/app/views/exercise/_edit_multi.html.erb
@@ -13,11 +13,11 @@
       <li class="clearfix pr mb20">
         <label class="panel-form-label fl"><span class="mr10">题目</span></label>
         <input name="question_type" value="<%=exercise_question.question_type %>" type="hidden">
-        <textarea maxlength="250" class="panel-form-width2-690 fl panel-box-sizing" name="question_title"  id="poll_questions_title_<%=exercise_question.id %>" placeholder="请输入简答题的题干" type="text" oninput="autoHeight('#poll_questions_title_<%=exercise_question.id %>',30)"><%=exercise_question.question_title %></textarea>
+        <textarea maxlength="250" class="panel-form-width2-690 fl panel-box-sizing undis" name="question_title"  id="poll_questions_title_<%=exercise_question.id %>"><%=exercise_question.question_title.html_safe %></textarea>
       </li>
       <li class="clearfix pr mb20">
         <label class="panel-form-label fl"><span class="fr mr10 color-grey" name="option_spans">参考答案</span></label>
-        <textarea class="fl panel-box-sizing with90 task-height-150 pl5 pt5 candiate_answer" name="exercise_choice" placeholder="如有参考答案，请输入参考答案"id="poll_questions_answer_<%=exercise_question.id %>"><%=exercise_question.exercise_standard_answers.empty? ? '' : exercise_question.exercise_standard_answers.first.answer_text %></textarea>
+        <textarea class="fl panel-box-sizing with90 task-height-150 pl5 pt5 candiate_answer" name="exercise_choice" placeholder="如有参考答案，请输入参考答案" id="poll_questions_answer_<%=exercise_question.id %>"><%=exercise_question.exercise_standard_answers.empty? ? '' : exercise_question.exercise_standard_answers.first.answer_text %></textarea>
       </li>
       <li class="clearfix mb20">
         <label class="panel-form-label fl"><span class="mr10">分值</span></label>
diff --git a/app/views/exercise/_edit_single.html.erb b/app/views/exercise/_edit_single.html.erb
index 46e663ffe..212522326 100644
--- a/app/views/exercise/_edit_single.html.erb
+++ b/app/views/exercise/_edit_single.html.erb
@@ -26,7 +26,7 @@
         <input name="question_type" value="3" type="hidden">
         <label class="panel-form-label fl"><span class="mr10">题目</span></label>
         <input name="question_type" value="<%=exercise_question.question_type %>" type="hidden">
-        <textarea maxlength="250" class="panel-form-width2-690 fl panel-box-sizing questionTitle" name="question_title"  id="poll_questions_title_<%=exercise_question.id %>" placeholder="请输入填空题的题干（注意：目前仅支持一个空）" type="text" oninput="autoHeight('#poll_questions_title_<%=exercise_question.id %>',30)"><%=exercise_question.question_title %></textarea>
+        <textarea maxlength="250" class="panel-form-width2-690 fl panel-box-sizing questionTitle undis" name="question_title" id="poll_questions_title_<%=exercise_question.id %>"><%=exercise_question.question_title.html_safe %></textarea>
       </li>
       <% exercise_question.exercise_standard_answers.reorder("created_at").each_with_index do |exercise_choice,index| %>
           <li class="clearfix pr mb20">
diff --git a/app/views/exercise/_exercise_student.html.erb b/app/views/exercise/_exercise_student.html.erb
index 8b9ff2b83..2e0b53670 100644
--- a/app/views/exercise/_exercise_student.html.erb
+++ b/app/views/exercise/_exercise_student.html.erb
@@ -92,7 +92,7 @@
           <div class="clearfix pl15 pr15">
             <p class="fl font-15">第<%= i + 1 %>题:<span class="color-orange03 ml10">[<%= exercise_question.question_type_name %>]</span><span class="ml10"><%= exercise_question.question_score %></span>分</p>
           </div>
-          <pre class="exercise_que_title pl15 pr15"><%= exercise_question.question_title %></pre>
+          <div class="pl15 pr15 justify"><%= exercise_question.question_title.html_safe %></div>
             <% case exercise_question.question_type %>
                 <% when 1 %>
                   <div class="pl15 pr15 mb15">
diff --git a/app/views/exercise/_exercise_student_result.html.erb b/app/views/exercise/_exercise_student_result.html.erb
index 79ade0035..e399fa778 100644
--- a/app/views/exercise/_exercise_student_result.html.erb
+++ b/app/views/exercise/_exercise_student_result.html.erb
@@ -75,7 +75,7 @@
               <p class="fr" id="multi_q_score_<%= exercise_question.id %>"><span class="<%= answer.empty? ? 'color-red' : (answer.first.score == -1 || answer.first.score == 0 ? "color-red" : "color-light-green") %> mr3"><%= answer.empty? ? 0 : (answer.first.score == -1 ? "未批" : answer.first.score) %></span><%= answer.empty? ? "分" : (answer.first.score == -1 ? "" : "分") %></p>
         <% end %>
         </div>
-        <pre class="exercise_que_title pl15 pr15"><%= exercise_question.question_title %></pre>
+        <div class="pl15 pr15 justify"><%= exercise_question.question_title.html_safe %></div>
         <% case exercise_question.question_type %>
         <% when 1 %>
             <div class="pl15 pr15 mb15">
diff --git a/app/views/exercise/_new_MC.html.erb b/app/views/exercise/_new_MC.html.erb
index e957a1d41..46f201dc7 100644
--- a/app/views/exercise/_new_MC.html.erb
+++ b/app/views/exercise/_new_MC.html.erb
@@ -15,7 +15,7 @@
           <li class="clearfix pr mb20">
             <label class="panel-form-label fl"><span class="mr10">题目</span></label>
             <!--<textarea name="question_title" id="poll_questions_title" class="panel-form-width2-690 fl panel-box-sizing" placeholder="请输入单选题的题干" type="text" oninput="autoHeight('#poll_questions_title',30)"></textarea>-->
-            <textarea id="poll_questions_title" name="question_title" class="panel-form-width2-690 fl panel-box-sizing undis">请输入单选题的题干</textarea>
+            <textarea id="poll_questions_title" name="question_title" class="panel-form-width2-690 fl panel-box-sizing undis"></textarea>
 
           </li>
           <input style="display: none;" name="exercise_choice" id="exercise_choice_1"/>
diff --git a/app/views/exercise/_new_MCQ.html.erb b/app/views/exercise/_new_MCQ.html.erb
index 3d4f37dd3..5320f79e5 100644
--- a/app/views/exercise/_new_MCQ.html.erb
+++ b/app/views/exercise/_new_MCQ.html.erb
@@ -1,5 +1,6 @@
 <% if exercise.id %>
-    <%= form_for(ExerciseQuestion.new,
+    <div nhname="new_exercise_mc_q">
+      <%= form_for(ExerciseQuestion.new,
              :html => { :multipart => true },
              :url=>create_exercise_question_exercise_path(exercise.id),
              :remote=>true ) do |f| %>
@@ -13,7 +14,7 @@
           </div>
           <li class="clearfix pr mb20">
             <label class="panel-form-label fl"><span class="mr10">题目</span></label>
-            <textarea name="question_title" id="poll_questions_title" class="panel-form-width2-690 fl panel-box-sizing" placeholder="请输入多选题的题干" type="text" oninput="autoHeight('#poll_questions_title',30)"></textarea>
+            <textarea id="poll_questions_title" name="question_title" class="panel-form-width2-690 fl panel-box-sizing undis"></textarea>
           </li>
           <li class="clearfix pr mb20">
             <label class="panel-form-label fl">
@@ -55,6 +56,7 @@
           </li>
         </div>
     <% end %>
+  </div>
 <% end %>
 <script type="text/javascript">
     $(function(){
diff --git a/app/views/exercise/_new_multi.html.erb b/app/views/exercise/_new_multi.html.erb
index 2ed014967..6e627a8ef 100644
--- a/app/views/exercise/_new_multi.html.erb
+++ b/app/views/exercise/_new_multi.html.erb
@@ -1,5 +1,6 @@
 <% if exercise.id %>
-    <%= form_for(ExerciseQuestion.new,
+    <div nhname="new_exercise_mc_q">
+      <%= form_for(ExerciseQuestion.new,
              :html => { :multipart => true },
              :url=>create_exercise_question_exercise_path(exercise.id),
              :remote=>true ) do |f| %>
@@ -9,7 +10,7 @@
           <input name="quest_id" id="quest_id" value="0" type="hidden">
           <li class="clearfix pr mb20">
             <label class="panel-form-label fl"><span class="mr10">题目</span></label>
-            <textarea maxlength="250" class="panel-form-width2-690 fl panel-box-sizing" name="question_title" id="poll_questions_title" placeholder="请输入简答题的题干" type="text" oninput="autoHeight('#poll_questions_title',30)"></textarea>
+            <textarea id="poll_questions_title" name="question_title" class="panel-form-width2-690 fl panel-box-sizing undis"></textarea>
           </li>
           <li class="clearfix pr mb20">
             <label class="panel-form-label fl"><span class="fr mr10 color-grey" name="option_spans">参考答案</span></label>
@@ -29,6 +30,7 @@
           </li>
         </div>
     <% end %>
+  </div>
 <% end %>
 <script type="text/javascript">
     $(function(){
diff --git a/app/views/exercise/_new_question.html.erb b/app/views/exercise/_new_question.html.erb
index a55149f39..8aff26709 100644
--- a/app/views/exercise/_new_question.html.erb
+++ b/app/views/exercise/_new_question.html.erb
@@ -35,7 +35,6 @@
         }else if(forms.length > 0){
             notice_box("请先保存正在编辑的题目再新建。");
         } else{
-            //$.get("<%#= new_exercise_question_path(:exercise => @exercise, :type => "MC") %>");
             $("#new_poll_question").html("<%= escape_javascript(render :partial => 'new_MC', :locals => {:exercise=>@exercise}) %>");
             KindEditor.ready(function(K){
                 $("div[nhname='new_exercise_mc_q']").each(function(){
@@ -67,6 +66,24 @@
         } else{
             $("#new_poll_question").html("<%= escape_javascript(render :partial => 'new_MCQ', :locals => {:exercise=>@exercise}) %>");
             $("#poll_questions_title").focus();
+            KindEditor.ready(function(K){
+                $("div[nhname='new_exercise_mc_q']").each(function(){
+                    var params = {};
+                    params.kindutil = K;
+                    params.div_form = $(this);
+                    params.form = $("form",params.div_form);
+                    params.placeholder = "请输入多选题的题干";
+                    if(params.form==undefined || params.form.length==0){
+                        return;
+                    }
+                    params.textarea = $("textarea[name='question_title']",params.div_form);
+                    if(params.textarea.data('init') == undefined) {
+                        params.editor = init_exercise_quetison_editor(params);
+                        new_quetion_title_editor = params.editor;
+                        params.textarea.data('init', 1);
+                    }
+                });
+            });
         }
     }
 
@@ -79,6 +96,24 @@
         } else{
             $("#new_poll_question").html("<%= escape_javascript(render :partial => 'new_single', :locals => {:exercise=>@exercise}) %>");
             $("#poll_questions_title").focus();
+            KindEditor.ready(function(K){
+                $("div[nhname='new_exercise_mc_q']").each(function(){
+                    var params = {};
+                    params.kindutil = K;
+                    params.div_form = $(this);
+                    params.form = $("form",params.div_form);
+                    params.placeholder = "请输入填空题的题干（注意：目前仅支持一个空）";
+                    if(params.form==undefined || params.form.length==0){
+                        return;
+                    }
+                    params.textarea = $("textarea[name='question_title']",params.div_form);
+                    if(params.textarea.data('init') == undefined) {
+                        params.editor = init_exercise_quetison_editor(params);
+                        new_quetion_title_editor = params.editor;
+                        params.textarea.data('init', 1);
+                    }
+                });
+            });
         }
     }
 
@@ -91,6 +126,24 @@
         } else{
             $("#new_poll_question").html("<%= escape_javascript(render :partial => 'new_multi', :locals => {:exercise=>@exercise}) %>");
             $("#poll_questions_title").focus();
+            KindEditor.ready(function(K){
+                $("div[nhname='new_exercise_mc_q']").each(function(){
+                    var params = {};
+                    params.kindutil = K;
+                    params.div_form = $(this);
+                    params.form = $("form",params.div_form);
+                    params.placeholder = "请输入简答题的题干";
+                    if(params.form==undefined || params.form.length==0){
+                        return;
+                    }
+                    params.textarea = $("textarea[name='question_title']",params.div_form);
+                    if(params.textarea.data('init') == undefined) {
+                        params.editor = init_exercise_quetison_editor(params);
+                        new_quetion_title_editor = params.editor;
+                        params.textarea.data('init', 1);
+                    }
+                });
+            });
         }
     }
 
diff --git a/app/views/exercise/_new_single.html.erb b/app/views/exercise/_new_single.html.erb
index 5ff8e43df..7980355ff 100644
--- a/app/views/exercise/_new_single.html.erb
+++ b/app/views/exercise/_new_single.html.erb
@@ -1,5 +1,6 @@
 <% if exercise.id %>
-    <%= form_for(ExerciseQuestion.new,
+    <div nhname="new_exercise_mc_q">
+      <%= form_for(ExerciseQuestion.new,
                  :html => { :multipart => true },
                  :url=>create_exercise_question_exercise_path(exercise.id),
                  :remote=>true ) do |f| %>
@@ -9,7 +10,7 @@
             <input name="question_type" value="3" type="hidden">
             <input name="quest_id" id="quest_id" value="0" type="hidden">
             <label class="panel-form-label fl"><span class="mr10">题目</span></label>
-            <textarea maxlength="250" class="panel-form-width2-690 fl panel-box-sizing" name="question_title" id="poll_questions_title" placeholder="请输入填空题的题干（注意：目前仅支持一个空）" type="text" oninput="autoHeight('#poll_questions_title',30)"></textarea>
+            <textarea id="poll_questions_title" name="question_title" class="panel-form-width2-690 fl panel-box-sizing undis"></textarea>
           </li>
           <li class="clearfix pr mb20">
             <label class="panel-form-label fl"><span class="fr mr10 color-grey" name="fill_span">答案 一</span></label>
@@ -38,6 +39,7 @@
           </li>
         </div>
     <% end %>
+  </div>
 <% end %>
 <script type="text/javascript">
     $(function(){
diff --git a/app/views/exercise/_show_MC.html.erb b/app/views/exercise/_show_MC.html.erb
index 869f98205..42af3d01a 100644
--- a/app/views/exercise/_show_MC.html.erb
+++ b/app/views/exercise/_show_MC.html.erb
@@ -13,7 +13,7 @@
       <a href="javascript:void(0)" onclick="exQuestionEdit(<%= exercise_question.id%>);"><i data-tip-down="编辑" class="fa fa-pencil color-orange05"></i></a>
     </p>
   </div>
-  <div style="text-align: justify;" class="pl15 pr15"><%= exercise_question.question_title.html_safe %></div>
+  <div class="pl15 pr15 justify"><%= exercise_question.question_title.html_safe %></div>
   <div class="pl15 pr15 mb10">
     <% exercise_question.exercise_choices.reorder("choice_position").each_with_index do |exercise_choice,index| %>
         <li class="clearfix">
@@ -41,11 +41,23 @@
             } else{
                 $("#insert_new_poll_question_"+quest_id).html("<%= escape_javascript(render :partial => 'new_MC', :locals => {:exercise=>@exercise}) %>");
                 $("#quest_id").val(quest_id);
-                $("#poll_questions_title").focus();
-                $(".questionTitle").on("input",function(){
-                    $(this).height(30);
-                    var scrollVal = $(this)[0].scrollHeight;
-                    $(this).height(scrollVal);
+                KindEditor.ready(function(K){
+                    $("div[nhname='new_exercise_mc_q']").each(function(){
+                        var params = {};
+                        params.kindutil = K;
+                        params.div_form = $(this);
+                        params.form = $("form",params.div_form);
+                        params.placeholder = "请输入单选题的题干";
+                        if(params.form==undefined || params.form.length==0){
+                            return;
+                        }
+                        params.textarea = $("textarea[name='question_title']",params.div_form);
+                        if(params.textarea.data('init') == undefined) {
+                            params.editor = init_exercise_quetison_editor(params);
+                            new_quetion_title_editor = params.editor;
+                            params.textarea.data('init', 1);
+                        }
+                    });
                 });
             }
        }
diff --git a/app/views/exercise/_show_MCQ.html.erb b/app/views/exercise/_show_MCQ.html.erb
index d02c0b9ba..2cd1093d7 100644
--- a/app/views/exercise/_show_MCQ.html.erb
+++ b/app/views/exercise/_show_MCQ.html.erb
@@ -13,7 +13,7 @@
       <a href="javascript:void(0)" onclick="exQuestionEdit(<%= exercise_question.id%>);"><i data-tip-down="编辑" class="fa fa-pencil color-orange05"></i></a>
     </p>
   </div>
-  <pre class="exercise_que_title pl15 pr15"><%= exercise_question.question_title %></pre>
+  <div style="text-align: justify;" class="pl15 pr15"><%= exercise_question.question_title.html_safe %></div>
   <div class="pl15 pr15 mb10">
     <% exercise_question.exercise_choices.reorder("choice_position").each_with_index do |exercise_choice,index| %>
         <li class="clearfix">
@@ -40,11 +40,23 @@
             } else {
                 $("#insert_new_poll_question_"+quest_id).html("<%= escape_javascript(render :partial => 'new_MCQ', :locals => {:exercise=>@exercise}) %>");
                 $("#quest_id").val(quest_id);
-                $("#poll_questions_title").focus();
-                $(".questionTitle").on("input",function(){
-                    $(this).height(30);
-                    var scrollVal = $(this)[0].scrollHeight;
-                    $(this).height(scrollVal);
+                KindEditor.ready(function(K){
+                    $("div[nhname='new_exercise_mc_q']").each(function(){
+                        var params = {};
+                        params.kindutil = K;
+                        params.div_form = $(this);
+                        params.form = $("form",params.div_form);
+                        params.placeholder = "请输入多选题的题干";
+                        if(params.form==undefined || params.form.length==0){
+                            return;
+                        }
+                        params.textarea = $("textarea[name='question_title']",params.div_form);
+                        if(params.textarea.data('init') == undefined) {
+                            params.editor = init_exercise_quetison_editor(params);
+                            new_quetion_title_editor = params.editor;
+                            params.textarea.data('init', 1);
+                        }
+                    });
                 });
         }
         }else {
diff --git a/app/views/exercise/_show_multi.html.erb b/app/views/exercise/_show_multi.html.erb
index 0dfcb53d9..cfdb1dbc9 100644
--- a/app/views/exercise/_show_multi.html.erb
+++ b/app/views/exercise/_show_multi.html.erb
@@ -13,7 +13,7 @@
       <a href="javascript:void(0)" onclick="exQuestionEdit(<%= exercise_question.id%>);"><i data-tip-down="编辑" class="fa fa-pencil color-orange05"></i></a>
     </p>
   </div>
-  <pre class="exercise_que_title pl15 mb10 pr15"><%= exercise_question.question_title %></pre>
+  <div style="text-align: justify;" class="pl15 pr15"><%= exercise_question.question_title.html_safe %></div>
   <div class="clearfix bor-top-greyE padding15 answer_con">
     <p>参考答案：</p>
     <pre class="exercise_que_title" style="text-align:justify;"><%= exercise_question.exercise_standard_answers.count > 0 ? exercise_question.exercise_standard_answers.first.answer_text : "无"%></pre>
@@ -33,11 +33,23 @@
             } else {
                 $("#insert_new_poll_question_"+quest_id).html("<%= escape_javascript(render :partial => 'new_multi', :locals => {:exercise=>@exercise}) %>");
                 $("#quest_id").val(quest_id);
-                $("#poll_questions_title").focus();
-                $(".questionTitle").on("input",function(){
-                    $(this).height(30);
-                    var scrollVal = $(this)[0].scrollHeight;
-                    $(this).height(scrollVal);
+                KindEditor.ready(function(K){
+                    $("div[nhname='new_exercise_mc_q']").each(function(){
+                        var params = {};
+                        params.kindutil = K;
+                        params.div_form = $(this);
+                        params.form = $("form",params.div_form);
+                        params.placeholder = "请输入简答题的题干";
+                        if(params.form==undefined || params.form.length==0){
+                            return;
+                        }
+                        params.textarea = $("textarea[name='question_title']",params.div_form);
+                        if(params.textarea.data('init') == undefined) {
+                            params.editor = init_exercise_quetison_editor(params);
+                            new_quetion_title_editor = params.editor;
+                            params.textarea.data('init', 1);
+                        }
+                    });
                 });
             }
         } else {
diff --git a/app/views/exercise/_show_single.html.erb b/app/views/exercise/_show_single.html.erb
index 39520d7de..e1ac2918e 100644
--- a/app/views/exercise/_show_single.html.erb
+++ b/app/views/exercise/_show_single.html.erb
@@ -13,7 +13,7 @@
       <a href="javascript:void(0)" onclick="exQuestionEdit(<%= exercise_question.id%>);"><i data-tip-down="编辑" class="fa fa-pencil color-orange05"></i></a>
     </p>
   </div>
-  <pre class="exercise_que_title pl15 pr15"><%= exercise_question.question_title %></pre>
+  <div style="text-align: justify;" class="pl15 pr15"><%= exercise_question.question_title.html_safe %></div>
   <div class="pl15 pr15 pt10 pb10 bor-top-greyE">
     <% exercise_question.exercise_standard_answers.reorder("created_at").each_with_index do |exercise_choice,index| %>
         <p>候选答案<%= convert_to_chi_num(index+1) %>：<%= exercise_choice.answer_text%></p>
@@ -34,11 +34,23 @@
             } else {
                 $("#insert_new_poll_question_"+quest_id).html("<%= escape_javascript(render :partial => 'new_single', :locals => {:exercise=>@exercise}) %>");
                 $("#quest_id").val(quest_id);
-                $("#poll_questions_title").focus();
-                $(".questionTitle").on("input",function(){
-                    $(this).height(30);
-                    var scrollVal = $(this)[0].scrollHeight;
-                    $(this).height(scrollVal);
+                KindEditor.ready(function(K){
+                    $("div[nhname='new_exercise_mc_q']").each(function(){
+                        var params = {};
+                        params.kindutil = K;
+                        params.div_form = $(this);
+                        params.form = $("form",params.div_form);
+                        params.placeholder = "请输入填空题的题干（注意：目前仅支持一个空）";
+                        if(params.form==undefined || params.form.length==0){
+                            return;
+                        }
+                        params.textarea = $("textarea[name='question_title']",params.div_form);
+                        if(params.textarea.data('init') == undefined) {
+                            params.editor = init_exercise_quetison_editor(params);
+                            new_quetion_title_editor = params.editor;
+                            params.textarea.data('init', 1);
+                        }
+                    });
                 });
             }
         } else {
diff --git a/public/javascripts/application.js b/public/javascripts/application.js
index 27afb7045..b9820a850 100644
--- a/public/javascripts/application.js
+++ b/public/javascripts/application.js
@@ -2521,7 +2521,7 @@ function init_exercise_quetison_editor(params){
         },
         afterBlur:function(){
             params.textarea.blur();
-            if(this.isEmpty() || /^\s*<\w*\s*\w*\=\"\w*\"\s*\w*\=\"\w*\:\s*\#\d*\;\s*\w*\-\w*\:\s*\w*\;\"\>[\u4e00-\u9fa5]*[\，]*[\u4e00-\u9fa5]*[\。]*<\/\w*\>\s*$/.test(this.edit.html())) {
+            if(this.isEmpty() || /^\s*<\w*\s*\w*\=\"\w*\"\s*\w*\=\"\w*\:\s*\#\d*\;\s*\w*\-\w*\:\s*\w*\;\"\>[\u4e00-\u9fa5]*[\，]*[\（]*[\u4e00-\u9fa5]*[\：]*[\u4e00-\u9fa5]*[\。]*[\）]*<\/\w*\>\s*$/.test(this.edit.html())) {
                 this.edit.html("<span id='hint' style='color:#999999;font-size:12px;'>"+params.placeholder+"</span>");
                 this.resize("90%", null);
             }
@@ -2529,7 +2529,7 @@ function init_exercise_quetison_editor(params){
         afterFocus: function(){
             var edit = this.edit;
             var body = edit.doc.body;
-            if(/^\s*<\w*\s*\w*\=\"\w*\"\s*\w*\=\"\w*\:\s*\#\d*\;\s*\w*\-\w*\:\s*\w*\;\"\>[\u4e00-\u9fa5]*[\，]*[\u4e00-\u9fa5]*[\。]*<\/\w*\>\s*$/.test(edit.html())){
+            if(/^\s*<\w*\s*\w*\=\"\w*\"\s*\w*\=\"\w*\:\s*\#\d*\;\s*\w*\-\w*\:\s*\w*\;\"\>[\u4e00-\u9fa5]*[\，]*[\（]*[\u4e00-\u9fa5]*[\：]*[\u4e00-\u9fa5]*[\。]*[\）]*<\/\w*\>\s*$/.test(edit.html())){
                 edit.html("");
             }
             this.resize("90%", null);
@@ -2540,9 +2540,8 @@ function init_exercise_quetison_editor(params){
             var body = edit.doc.body;
             edit.iframe[0].scroll = 'no';
             body.style.overflowY = 'hidden';
-            if(params.textarea.innerHTML != ""){
-                edit.html(params.textarea.innerHTML);
-            } else{
+            edit.html(params.textarea.innerHTML);
+            if(this.isEmpty()) {
                 edit.html("<span id='hint' style='color:#999999;font-size:12px;'>"+params.placeholder+"</span>");
             }
         }
diff --git a/public/javascripts/edu/course.js b/public/javascripts/edu/course.js
index 26f6366d9..8199bd090 100644
--- a/public/javascripts/edu/course.js
+++ b/public/javascripts/edu/course.js
@@ -654,6 +654,7 @@ function ex_setting_form_submit(){
 //添加标题时确定按钮
 function add_ex_question(doc,quest_type)
 {
+    new_quetion_title_editor.sync();
     var title = $.trim($("#poll_questions_title").val());
     var score = $.trim($("#question_score").val());
     var standard_ans = $.trim($("#exercise_choice_" + quest_type).val());
@@ -701,12 +702,11 @@ function exQuestionEdit(question_id){
             $("#edit_poll_questions_"+question_id).show();
             $("#poll_questions_title_"+question_id).focus();
             KindEditor.ready(function(K){
-                $("div[nhname='edit_exercise_mc_q_"+question_id+"']").each(function(){
+                $("div#edit_poll_questions_"+question_id).each(function(){
                     var params = {};
                     params.kindutil = K;
                     params.div_form = $(this);
                     params.form = $("form",params.div_form);
-                    params.placeholder = "请输入单选题的题干";
                     if(params.form==undefined || params.form.length==0){
                         return;
                     }