diff --git a/app/controllers/web_footer_companies_controller.rb b/app/controllers/web_footer_companies_controller.rb
index b61a58189..0fa076c2f 100644
--- a/app/controllers/web_footer_companies_controller.rb
+++ b/app/controllers/web_footer_companies_controller.rb
@@ -10,7 +10,7 @@ class WebFooterCompaniesController < ApplicationController
   end
 
   def new
-    @company = WebFooterCompany.new
+    @company ||= WebFooterCompany.new
   end
 
   def create
@@ -20,7 +20,11 @@ class WebFooterCompaniesController < ApplicationController
       redirect_to web_footer_companies_url
     else
       flash[:error] = "#{l :web_footer_company_create_fail}: #{@company.errors.full_messages[0]}"
-      render :action => 'new'
+      respond_to do |format|
+        format.html {  render :action => 'new'}
+        format.api  { render_validation_errors(@company) }
+      end
+
     end
   end
 
diff --git a/app/views/courses/settings/_members.html.erb b/app/views/courses/settings/_members.html.erb
index f685e4543..ab0f20257 100644
--- a/app/views/courses/settings/_members.html.erb
+++ b/app/views/courses/settings/_members.html.erb
@@ -51,7 +51,7 @@
                                          :class => 'icon icon-edit' %>
                     <%= delete_link membership_path(member),
                                     :remote => true,
-                                    :data => (!User.current.admin? && member.include?(User.current) ? {:confirm => l(:text_own_membership_delete_confirmation)} : {}) if member.deletable? %>
+                                    :data => (!User.current.admin? && member.include?(User.current) ? {:confirm => l(:text_own_membership_delete_confirmation)} : {confirm: l(:label_delete_confirm)}) if member.deletable? %>
                   </td>
               <% end %>
               <!--end-->
@@ -82,7 +82,11 @@
             <p style="padding-top: 5px"><%= l(:label_role_plural) %>:
               <% roles.each do |role| %>
 
-                  <label><%= radio_button_tag 'membership[role_ids][]', role.id %> <%= h role %></label>
+                  <% if role.id == 10 %> <!-- 默认学生角色  -->
+                    <label><%= radio_button_tag 'membership[role_ids][]', role.id, true %> <%= h role %></label>
+                  <% else %>
+                    <label><%= radio_button_tag 'membership[role_ids][]', role.id %> <%= h role %></label>
+                  <% end %>
               <% end %></p>
 
             <p><%= submit_tag l(:button_add), :id => 'member-add-submit' %></p>
diff --git a/app/views/layouts/base_admin.html.erb b/app/views/layouts/base_admin.html.erb
index 636e33a3f..5b36febaf 100644
--- a/app/views/layouts/base_admin.html.erb
+++ b/app/views/layouts/base_admin.html.erb
@@ -36,7 +36,6 @@
 							<%= yield %>
 							<%= call_hook :view_layouts_base_content %>						
 						<div style="clear:both;"></div>
-							<%= render_flash_messages %>
 						</div>
 						<%= render :partial => 'layouts/base_footer'%>
 					</div>
diff --git a/app/views/members/autocomplete.js.erb b/app/views/members/autocomplete.js.erb
index 5ef01c04d..d1e7a884b 100644
--- a/app/views/members/autocomplete.js.erb
+++ b/app/views/members/autocomplete.js.erb
@@ -1,6 +1,11 @@
  <% if @project%>
 $('#principals_for_new_member').html('<%= escape_javascript(render_principals_for_new_members(@project)) %>');
  <% elsif @course%>
+ var checked = $("#principals input:checked").size();
+ if(checked > 0)
+ {
+   alert('翻页或搜索后将丢失当前选择的用户数据!');
+ }
  $('#principals_for_new_member').html('<%= escape_javascript(render_principals_for_new_course_members(@course)) %>');
  <%end%>
  var collection=$("#principals_for_new_member").children("#principals").children("label");
diff --git a/app/views/messages/_course_show.html.erb b/app/views/messages/_course_show.html.erb
index 51764341d..6977385d8 100644
--- a/app/views/messages/_course_show.html.erb
+++ b/app/views/messages/_course_show.html.erb
@@ -178,7 +178,7 @@
       <%= form_for @reply, :as => :reply, :url => {:action => 'reply', :id => @topic}, :html => {:multipart => true, :id => 'message-form'} do |f| %>
           <%= render :partial => 'form', :locals => {:f => f, :replying => true} %>
           <%#= submit_tag l(:button_submit) %>
-          <input type="button" class="enterprise" value="<%=l(:button_submit) %>" onclick="submit_message_replay();" >
+          <input type="button" class="enterprise" value="<%=l(:button_submit) %>" onmousemove="regexContent()" onclick="submit_message_replay();" >
           <%#= preview_link({:controller => 'messages', :action => 'preview', :board_id => @board}, 'message-form') %>
       <% end %>
       <div id="preview" class="wiki"></div>
@@ -188,12 +188,13 @@
 <% html_title @topic.subject %>
 
 <script type="text/javascript">
+    var flag = false
     jQuery(document).ready(function($) {
         transpotUrl('#content');
     });
     function submit_message_replay()
     {
-        if(regexContent())
+        if(flag)
         {
             $("#message-form").submit();
         }
@@ -205,13 +206,13 @@
         {
             $("#message_content_span").text("<%= l(:label_reply_empty) %>");
             $("#message_content_span").css('color','#ff0000');
-            return false;
+            flag =  false;
         }
         else
         {
             $("#message_content_span").text("<%= l(:label_field_correct) %>");
             $("#message_content_span").css('color','#008000');
-            return true;
+            flag = true;
         }
     }
 </script>
\ No newline at end of file
diff --git a/app/views/roles/_form.html.erb b/app/views/roles/_form.html.erb
index 9ed134f1e..36d3ed8e3 100644
--- a/app/views/roles/_form.html.erb
+++ b/app/views/roles/_form.html.erb
@@ -1,7 +1,7 @@
 <%= error_messages_for 'role' %>
 
 <% unless @role.anonymous? %>
-<div class="box tabular">
+<div class="box role">
 <% unless @role.builtin? %>
 <p><%= f.text_field :name, :required => true %></p>
 <p><%= f.check_box :assignable %></p>
diff --git a/config/settings.yml b/config/settings.yml
index f1c584b2b..72f8b73c1 100644
--- a/config/settings.yml
+++ b/config/settings.yml
@@ -242,7 +242,7 @@ tags_min_length:
   default: 1
 tags_max_length:
    format: int
-   default: 30
+   default: 14
 tags_show_search_results:
    format: int
    default: 5
diff --git a/public/stylesheets/application.css b/public/stylesheets/application.css
index 417be6a4b..1f53d9903 100644
--- a/public/stylesheets/application.css
+++ b/public/stylesheets/application.css
@@ -1820,6 +1820,17 @@ html>body .tabular p {overflow:hidden;}
   font-size: 12px;
 }
 
+.role label{
+    font-weight: bold;
+    float: left;
+    text-align: right;
+    /* width of left column */
+    margin-left: -60px;
+    /* width of labels. Should be smaller than left column to create some right margin */
+    width: 175px;
+    font-size: 12px;
+}
+
 .tabular label.floating{
   font-weight: normal;
   margin-left: 0px;