diff --git a/app/controllers/org_subfields_controller.rb b/app/controllers/org_subfields_controller.rb
index 159648f34..38f5879e5 100644
--- a/app/controllers/org_subfields_controller.rb
+++ b/app/controllers/org_subfields_controller.rb
@@ -14,9 +14,10 @@ class OrgSubfieldsController < ApplicationController
           SubfieldSubdomainDir.create(:org_subfield_id => @subfield.id, :name => params[:sub_dir].downcase)
         end
       end
-      @subfield.update_attributes(:field_type => params[:field_type])
+      #默认类型为帖子
+      @subfield.update_attributes(:field_type => params[:field_type]||"Post")
       # admin配置的类型
-      update_status_by_type(@subfield, params[:field_type])
+      update_status_by_type(@subfield, params[:field_type]||"Post")
     else
       @res = false
     end
diff --git a/app/views/org_subfields/create.js.erb b/app/views/org_subfields/create.js.erb
index 952ed7b2c..a65f53719 100644
--- a/app/views/org_subfields/create.js.erb
+++ b/app/views/org_subfields/create.js.erb
@@ -4,6 +4,8 @@
     $("#sub_field_left_lists").html("");
     $("#sub_field_left_lists").html("<%= escape_javascript(render :partial => 'organizations/org_left_subfield_list', :locals => {:organization => @organization}) %>");
     $("#org_custom_admin").html("<%= escape_javascript(render :partial => 'organizations/org_custom_admin') %>");
+    //默认选中第一个
+    $("input[name='field_type']").get(0).checked=true;
 <% end %>
 $("#subfield_name").val("");
 $("#sub_dir").val("");
\ No newline at end of file