diff --git a/app/models/principal.rb b/app/models/principal.rb
index 2c8465538..0c87ec0c6 100644
--- a/app/models/principal.rb
+++ b/app/models/principal.rb
@@ -44,7 +44,7 @@ class Principal < ActiveRecord::Base
     else
       pattern = "%#{q}%".gsub("/","//").gsub("_","/_")
       # sql = %w(login firstname lastname mail).map {|column| "LOWER(#{table_name}.#{column}) LIKE LOWER(:p)"}.join(" OR ")
-      sql= "LOWER(concat(lastname,firstname)) LIKE LOWER(:p) or LOWER(login) LIKE LOWER(:p) or LOWER(mail) LIKE LOWER(:p) escape '/'"
+      sql= "LOWER(concat(lastname,firstname)) LIKE LOWER(:p) escape '/' or LOWER(login) LIKE LOWER(:p) escape '/' or LOWER(mail) LIKE LOWER(:p) escape '/'"
       params = {:p => pattern}
       if q =~ /^(.+)\s+(.+)$/
         a, b = "#{$1}%", "#{$2}%"
diff --git a/app/views/layouts/_project_info.html.erb b/app/views/layouts/_project_info.html.erb
index 06d6304d2..d94cbdcc7 100644
--- a/app/views/layouts/_project_info.html.erb
+++ b/app/views/layouts/_project_info.html.erb
@@ -1,6 +1,6 @@
 <% is_teacher = User.current.logged? && (User.current.admin? || User.current.allowed_to?(:as_teacher,@course)) %>
-<% teacher_num = 0 %>
-<% student_num = 0 %>
+<% teacher_num = TeacherAndAssistantCount(@course) %>
+<% student_num = studentCount(@course) %>
 <div class="pr_info_logo fl mr10 mb5">
   <% if is_excellent_course(@course) %>
     <img src="/images/course/boutique.png" width="50" height="auto" alt="精品" class="boutiqueP" />
diff --git a/app/views/org_document_comments/new.html.erb b/app/views/org_document_comments/new.html.erb
index 24dd7dcfe..cf4ffddcf 100644
--- a/app/views/org_document_comments/new.html.erb
+++ b/app/views/org_document_comments/new.html.erb
@@ -38,7 +38,7 @@
 <div class="resources" nhname="new_topic_form" >
   <%= form_tag organization_org_document_comments_path(:organization_id => @organization.id, :field_id => params[:field_id]), :id => 'new_org_document_form' do |f| %>
     <div>
-        <input class="postDetailInput fl mr15" style="margin-bottom:15px;" name="org_document_comment[title]" id="document_title" style="resize:none;" onfocus = "$('#org_document_editor').show();" placeholder="请输入文章标题"></input>
+        <input class="postDetailInput fl mr15"  name="org_document_comment[title]" id="document_title" style="resize:none;" onfocus = "$('#org_document_editor').show();" placeholder="请输入文章标题"></input>
     </div>
     <div id="doc_title_hint">
     </div>
diff --git a/app/views/organizations/_show_org_document.html.erb b/app/views/organizations/_show_org_document.html.erb
index cf68d71f5..fdd6772e7 100644
--- a/app/views/organizations/_show_org_document.html.erb
+++ b/app/views/organizations/_show_org_document.html.erb
@@ -10,7 +10,7 @@
         TO&nbsp;&nbsp;<%= link_to document.organization.name, organization_path(document.organization), :class => "newsBlue" %>
         |
             <span style="color:#269ac9;"><%= document.org_subfield_id.nil? ? "组织文章" :"#{OrgSubfield.find(document.org_subfield_id).name}" %></span>
-        <% if @organization.home_id == document.id %>
+        <% if document.organization.home_id == document.id %>
             <span class="red_homework_btn_cir ml5">已设为首页</span>
         <% end %>
       </div>