diff --git a/app/views/challenges/_form.html.erb b/app/views/challenges/_form.html.erb
index 4b5441590..84c9f6e63 100644
--- a/app/views/challenges/_form.html.erb
+++ b/app/views/challenges/_form.html.erb
@@ -80,7 +80,6 @@
     <label class="panel-form-label fl">测试集设置：</label>
     <ul class="fl task-bg-grey">
       <li class="clearfix">
-
         <% if params[:action] == "edit" && @challenge.test_sets.count > 0 %>
             <% @challenge.test_sets.each_with_index  do |test, index| %>
                 <p class="clearfix">
@@ -95,7 +94,6 @@
                 </p>
                 <input type="text" class="panel-form-width-670 panel-form-height-30 mb10"  name="program[input][]" id="textarea_input_test" value="<%= test.input %>"/>
                 <input type="text" class="panel-form-width-670 panel-form-height-30" name="program[output][]" id="textarea_output_test" value="<%= test.output %>" />
-
             <% end %>
         <% else %>
             <p class="clearfix">
@@ -112,16 +110,18 @@
   <li class="clearfix">
     <label class=" panel-form-label fl"> 知识/技能点：</label>
     <div class="fl task-bd-grey">
+      <% if params[:action] == "edit" && @challenge_tags.count > 0 %>
+          <% @challenge_tags.each do |tag| %>
+              <div class="task-tag tag-grey mb10 mr10 fl">
+                <button data-dismiss="alert" class="close fr mt3 ml5" type="button" onclick="close_tag(this)">×</button>
+                <input class='knowledge_frame' name='knowledge[input][]' value="<%= tag.try(:name)%>" />
+              </div>
+          <% end %>
+      <% end %>
       <button class="close fl mt3 mr10" type="button" onclick="$('#add_shixun_skill').slideToggle();" id="add_knowledge">+</button>
       <div class="task-tag tag-grey mb10 mr10 fl undis" id="add_shixun_skill">
         <button data-dismiss="alert" class="close fr mt3 ml5" type="button" onclick="$('#add_shixun_skill').slideToggle();">×</button>
-        <% if params[:action] == "edit" && @challenge_tags.count > 0 %>
-            <% @challenge_tags.each do |tag| %>
-                <input type="text" class="task-tag-input" onblur="add_tag();" placeholder="请输入知识/技能点" value="<%= tag.try(:name) %>" />
-            <% end %>
-        <% else %>
-            <input type="text" class="task-tag-input" onblur="add_tag();" placeholder="请输入知识/技能点" />
-        <% end %>
+        <input type="text" class="task-tag-input" onblur="add_tag();" placeholder="请输入知识/技能点" />
       </div>
     </div>
   </li>
@@ -267,7 +267,7 @@
         }else if($("#challenge_score").val().trim()==""){
             $("#new_shixun_score").show();
         }else{
-        $('#new_challenge').submit();
+            $('#new_challenge').submit();
         }
     }