diff --git a/app/views/org_subfields/create.js.erb b/app/views/org_subfields/create.js.erb
index 84b69717a..3e08d9f9e 100644
--- a/app/views/org_subfields/create.js.erb
+++ b/app/views/org_subfields/create.js.erb
@@ -4,7 +4,6 @@
         :locals => {:subfields => @organization.org_subfields.order("priority") }) %>");
     $("#sub_field_left_lists").html("");
     $("#sub_field_left_lists").html("<%= escape_javascript(render :partial => 'organizations/org_left_subfield_list', :locals => {:organization => @organization}) %>");
-    $("#subfield_name").val("");
-<% else %>
-    $("#subfield_name").val("");
-<% end %>
\ No newline at end of file
+<% end %>
+$("#subfield_name").val("");
+$("#sub_dir").val("");
\ No newline at end of file
diff --git a/app/views/organizations/setting.html.erb b/app/views/organizations/setting.html.erb
index af06c4c22..854c7d12e 100644
--- a/app/views/organizations/setting.html.erb
+++ b/app/views/organizations/setting.html.erb
@@ -129,7 +129,7 @@
                 <div class="mb5">
                   <p class="fontGrey3"><span class="fb">域名目录</span>（用户自定义url，可选）</p>
                   <% if domain %>
-                    <span class="fl"><%= domain.subname %>.trustie.net/</span><input class="fl personalUrl ml3" type="text" name="sub_dir">
+                    <span class="fl"><%= domain.subname %>.trustie.net/</span><input id="sub_dir" class="fl personalUrl ml3" type="text" name="sub_dir">
                   <% else %>
                       <span class="fl">您还没有子域名，请先在左侧信息栏申请子域名</span>
                   <% end %>