diff --git a/app/controllers/statistics_controller.rb b/app/controllers/statistics_controller.rb
index 310aa4c90..2de38c25b 100644
--- a/app/controllers/statistics_controller.rb
+++ b/app/controllers/statistics_controller.rb
@@ -32,7 +32,7 @@ class StatisticsController < ApplicationController
   # GET /statistics/new.json
   def new
     @statistic = Statistic.new
-
+    @sub_categories = @main_categories.first.sub_categories
     respond_to do |format|
       format.html # new.html.erb
       format.json { render json: @statistic }
@@ -89,6 +89,8 @@ class StatisticsController < ApplicationController
   end
 
   def get_sub_category
+    main_category = MainCategory.find(params[:main_category_id])
+    @sub_categories = main_category.sub_categories
     respond_to do |format|
       format.js
     end
diff --git a/app/views/statistics/_form.html.erb b/app/views/statistics/_form.html.erb
index 30c2588d4..f476f353c 100644
--- a/app/views/statistics/_form.html.erb
+++ b/app/views/statistics/_form.html.erb
@@ -21,6 +21,7 @@
         <%= f.select :main_category_id, (@main_categories.collect { |mc| [mc.name, mc.id] }),
                    {:no_label => true}, :onchange => 'getSubCategory(this.options[this.options.selectedIndex].value)',
                     :class => "w150" %>
+
         <%#= f.text_field :description %>
         <!--<div class="fl pr wb20 change_sort">-->
           <!--<input type="text" placeholder="请选择主类别" class="wb100 c_sort_input"  id="parent_down"/><span class="down"></span>-->
@@ -28,30 +29,29 @@
 
           <!--</ul>-->
         <!--</div>-->
-        <!--<div class="fl pr wb20 ml20 change_sort">-->
-          <!--<input type="text" placeholder="请选择子类" class="wb100 c_sort_input"  id="child_down"/><span class="down"></span>-->
-          <!--<ul class="c_sort_list">-->
-
-          <!--</ul>-->
-        <!--</div>-->
+        <div class="fl pr wb20 ml20 change_sort" id="sub_category">
+          <%= f.select :sub_category_id, (@sub_categories.collect { |mc| [mc.name, mc.id] }),
+                     {:no_label => true}, :class => "w150" %>
+          <%#= render :partial => "statistics/sub_category", :locals => { :f => f } %>
+        </div>
       </div>
       <div class="field line_field">
         <label>数据描述：</label>
         <%#= f.number_field :user_id %>
         <textarea class="wb85 h200 mb20"></textarea>
       </div>
-      <div class="field line_field">
-        <label>标签：</label>
-        <%#= f.number_field :status %>
-        <div class="tag_modal fl" id="tag_modal">
-          <span class="tag_span">数据结构<input type="hidden" value="数据结构" class="tag_hide"><a class="tag_del ml3" onclick="tag_del(this)">×</a></span>
-        </div>
-        <div class="mr10 save_tag_all none" id="save_tag_all">
-          <input type="text" class="input_tag" id="input_tag"/>
-          <a class="blue_btn_big c_white ml10 fl mr20" href="javascript:void(0)" onclick="save_tag();">确定</a>
-        </div>
-        <a href="javascript:void(0)" onclick="show_inputContent();" class="mb15 c_blue mt6 fl">+&nbsp;标签</a>
-      </div>
+      <!--<div class="field line_field">-->
+        <!--<label>标签：</label>-->
+        <!--<%#= f.number_field :status %>-->
+        <!--<div class="tag_modal fl" id="tag_modal">-->
+          <!--<span class="tag_span">数据结构<input type="hidden" value="数据结构" class="tag_hide"><a class="tag_del ml3" onclick="tag_del(this)">×</a></span>-->
+        <!--</div>-->
+        <!--<div class="mr10 save_tag_all none" id="save_tag_all">-->
+          <!--<input type="text" class="input_tag" id="input_tag"/>-->
+          <!--<a class="blue_btn_big c_white ml10 fl mr20" href="javascript:void(0)" onclick="save_tag();">确定</a>-->
+        <!--</div>-->
+        <!--<a href="javascript:void(0)" onclick="show_inputContent();" class="mb15 c_blue mt6 fl">+&nbsp;标签</a>-->
+      <!--</div>-->
 
       <div class="field cl">
         <%#= f.label :label_attachment_plural %>
@@ -69,6 +69,7 @@
 <script>
     //  获取子类别
     function getSubCategory(id){
+        alert(id);
         $.ajax({
             url: '<%= get_sub_category_statistics_path %>',
             type: 'get',
diff --git a/app/views/statistics/_sub_category.html.erb b/app/views/statistics/_sub_category.html.erb
new file mode 100644
index 000000000..484508c97
--- /dev/null
+++ b/app/views/statistics/_sub_category.html.erb
@@ -0,0 +1,3 @@
+<% @sub_categories.each do |sc| %>
+    <option><%= sc.name %></option>
+<% end %>
\ No newline at end of file
diff --git a/app/views/statistics/get_sub_category.js.erb b/app/views/statistics/get_sub_category.js.erb
new file mode 100644
index 000000000..9e99b073e
--- /dev/null
+++ b/app/views/statistics/get_sub_category.js.erb
@@ -0,0 +1,5 @@
+<% if @sub_categories.blank? %>
+$("#statistic_sub_category_id").hide();
+<% else %>
+$("#statistic_sub_category_id").html('<%= escape_javascript( render :partial => 'statistics/sub_category') %>');
+<% end %>