diff --git a/app/helpers/members_helper.rb b/app/helpers/members_helper.rb
index f36c2a9a7..5dc5d9542 100644
--- a/app/helpers/members_helper.rb
+++ b/app/helpers/members_helper.rb
@@ -34,11 +34,11 @@ module MembersHelper
   def render_project_members project
     scope = Principal.active.sorted.not_member_of(project).like(params[:q])
     principals = paginateHelper scope,10
-    s = content_tag('ul', project_member_check_box_tags_ex('membership[user_ids][]', principals), :class => 'mb5', :style => "margin-left: -40px;")
+    s = content_tag('ul', project_member_check_box_tags_ex('membership[user_ids][]', principals), :class => 'mb5')
     links = pagination_links_full(@obj_pages, @obj_count, :per_page_links => false, :remote => false, :flag => true){|text, parameters, options|
       link_to text, autocomplete_project_memberships_path(project, parameters.merge(:q => params[:q],:flag => true, :format => 'js')), :remote => true
     }
-    s + content_tag('ul', links,:class => 'wlist')
+    s + content_tag('ul', links,:class => 'wlist', :style =>"float:left;margin-top:0px;")
   end
 
   # add by nwb
diff --git a/app/views/projects/invite_members.html.erb b/app/views/projects/invite_members.html.erb
index a04647ff9..3630db711 100644
--- a/app/views/projects/invite_members.html.erb
+++ b/app/views/projects/invite_members.html.erb
@@ -20,6 +20,7 @@
               <div class="invi_search">
                 <input hidden="hidden" value="true" name="flag">
                 <input id="principal_search" class="invi_search_input fl" type="text" placeholder="请输入用户名称来搜索好友">
+                <a class="invi_search_btn fl" onclick="observeSearchfield('principal_search', null, '#{ escape_javascript autocomplete_project_memberships_path(@project, :format => 'js',:flag => true) }')">搜索</a>
                 <%= javascript_tag "observeSearchfield('principal_search', null, '#{ escape_javascript autocomplete_project_memberships_path(@project, :format => 'js',:flag => true) }')" %>
                 <div class="cl"></div>
                 <div id="principals_for_new_member">