diff --git a/app/controllers/organizations_controller.rb b/app/controllers/organizations_controller.rb
index ba4dda939..b326051e6 100644
--- a/app/controllers/organizations_controller.rb
+++ b/app/controllers/organizations_controller.rb
@@ -161,7 +161,7 @@ class OrganizationsController < ApplicationController
   def  more_org_projects
     @organization = Organization.find params[:id]
     @page = params[:page]
-    @org_projects = @organization.projects.reorder('created_at').page((params[:page].to_i || 1) +1).per(5)
+    @org_projects = @organization.projects.reorder('created_at').uniq.page((params[:page].to_i || 1) +1).per(5)
     respond_to do |format|
       format.js
     end
@@ -170,7 +170,7 @@ class OrganizationsController < ApplicationController
   def more_org_courses
     @organization = Organization.find(params[:id])
     @page = params[:page]
-    @org_courses = @organization.courses.reorder('created_at').page((params[:page].to_i || 1) + 1 ).per(5)
+    @org_courses = @organization.courses.reorder('created_at').uniq.page((params[:page].to_i || 1) + 1 ).per(5)
     respond_to do |format|
       format.js
     end
@@ -189,16 +189,17 @@ class OrganizationsController < ApplicationController
     if !params[:name].nil?
       condition = "%#{params[:name].strip}%".gsub(" ","")
     end
-    #sql = "select courses.* from courses inner join members on courses.id = members.course_id inner join org_courses on courses.id = org_courses.course_id where org_courses.organization_id != #{@organization.id} and members.user_id = #{User.current.id} and courses.name like '#{condition}'"
-    sql = "select courses.* from courses inner join members on courses.id = members.course_id where members.user_id = #{User.current.id} and courses.name like '#{condition}'"
-    user_courses = Course.find_by_sql(sql)
-    @added_course_ids = @organization.courses.map(&:id)
-    @courses = []
-    user_courses.each do |course|
-      if !@added_course_ids.include?(course.id)
-        @courses << course
-      end
-    end
+    sql = "select courses.* from courses inner join members on courses.id = members.course_id where members.user_id = #{User.current.id} and courses.name like '#{condition}'"+
+        "and courses.id not in (select distinct org_courses.course_id from org_courses where org_courses.organization_id = #{@organization.id})"
+    #user_courses = Course.find_by_sql(sql)
+    @courses = Course.find_by_sql(sql)
+    # @added_course_ids = @organization.courses.map(&:id)
+    # @courses = []
+    # user_courses.each do |course|
+    #   if !@added_course_ids.include?(course.id)
+    #     @courses << course
+    #   end
+    # end
   end
 
   def join_courses
@@ -225,15 +226,17 @@ class OrganizationsController < ApplicationController
     if !params[:name].nil?
       condition = "%#{params[:name].strip}%".gsub(" ","")
     end
-    sql = "select projects.* from projects inner join members on projects.id = members.project_id where members.user_id = #{User.current.id} and projects.status != 9 and projects.name like '#{condition}'"
-    user_projects = Course.find_by_sql(sql)
-    @added_course_ids = @organization.projects.map(&:id)
-    @projects = []
-    user_projects.each do |project|
-      if !@added_course_ids.include?(project.id)
-        @projects << project
-      end
-    end
+    sql = "select projects.* from projects inner join members on projects.id = members.project_id where members.user_id = #{User.current.id} and projects.status != 9 and projects.name like '#{condition}'" +
+          " and projects.id not in (select org_projects.project_id from org_projects where organization_id = #{@organization.id})"
+    #user_projects = Course.find_by_sql(sql)
+    @projects = Course.find_by_sql(sql)
+    # @added_course_ids = @organization.projects.map(&:id)
+    # @projects = []
+    # user_projects.each do |project|
+    #   if !@added_course_ids.include?(project.id)
+    #     @projects << project
+    #   end
+    # end
   end
 
   def join_projects
diff --git a/app/views/layouts/base_org.html.erb b/app/views/layouts/base_org.html.erb
index b89977b09..b071a7c3b 100644
--- a/app/views/layouts/base_org.html.erb
+++ b/app/views/layouts/base_org.html.erb
@@ -104,7 +104,7 @@
         </div>
           <div class="homepageLeftMenuCourses borderBottomNone" id="homepageLeftMenuProjects">
             <ul >
-              <%= render :partial => 'layouts/org_projects',:locals=>{:projects=>@organization.projects.reorder('created_at').limit(5),:org_id=>@organization.id,:page=>1}%>
+              <%= render :partial => 'layouts/org_projects',:locals=>{:projects=>@organization.projects.reorder('created_at').uniq.limit(5),:org_id=>@organization.id,:page=>1}%>
               <!--<%#= @organization.org_projects.each do |p|%>-->
               <!--<li class="homepageLeftMenuCoursesLine"><a href="javascript:void(0);" class="coursesLineGrey"><%#= p.name%></a></li>-->
               <!--<%# end %>-->
@@ -131,7 +131,7 @@
           </div>
           <div class="homepageLeftMenuCourses borderBottomNone" id="homepageLeftMenuCourses">
             <ul >
-              <%= render :partial => 'layouts/org_courses',:locals=>{:courses=>@organization.courses.reorder('created_at').limit(5),:org_id=>@organization.id,:page=>1}%>
+              <%= render :partial => 'layouts/org_courses',:locals=>{:courses=>@organization.courses.reorder('created_at').uniq.limit(5),:org_id=>@organization.id,:page=>1}%>
             </ul>
           </div>
         </div>
diff --git a/app/views/organizations/join_courses.js.erb b/app/views/organizations/join_courses.js.erb
index 1c234704e..643af161f 100644
--- a/app/views/organizations/join_courses.js.erb
+++ b/app/views/organizations/join_courses.js.erb
@@ -1,5 +1,5 @@
 $("#homepageLeftMenuCourses").html("");
 $("#homepageLeftMenuCourses").append("<ul>");
 $("#homepageLeftMenuCourses").append("<%= escape_javascript(render :partial => 'layouts/org_courses',
-    :locals=>{:courses=>@organization.courses.reorder('created_at').limit(5),:org_id=>@organization.id,:page=> 1})  %>");
+    :locals=>{:courses=>@organization.courses.reorder('created_at').uniq.limit(5),:org_id=>@organization.id,:page=> 1})  %>");
 $("#homepageLeftMenuCourses").append("</ul>");
\ No newline at end of file
diff --git a/app/views/organizations/join_projects.js.erb b/app/views/organizations/join_projects.js.erb
index 1db8021bf..a39d94819 100644
--- a/app/views/organizations/join_projects.js.erb
+++ b/app/views/organizations/join_projects.js.erb
@@ -1,5 +1,5 @@
 $("#homepageLeftMenuProjects").html("");
 $("#homepageLeftMenuProjects").append("<ul>");
 $("#homepageLeftMenuProjects").append("<%= escape_javascript(render :partial => 'layouts/org_projects',
-    :locals=>{:projects=>@organization.projects.reorder('created_at').limit(5),:org_id=>@organization.id,:page=> 1})  %>");
+    :locals=>{:projects=>@organization.projects.reorder('created_at').uniq.limit(5),:org_id=>@organization.id,:page=> 1})  %>");
 $("#homepageLeftMenuProjects").append("</ul>");
\ No newline at end of file