diff --git a/app/views/layouts/new_base_user.html.erb b/app/views/layouts/new_base_user.html.erb
index a613d8984..682297a5c 100644
--- a/app/views/layouts/new_base_user.html.erb
+++ b/app/views/layouts/new_base_user.html.erb
@@ -204,12 +204,18 @@
               <% end%>
           <% end%>
         </div>
-        <% course_order_ids = "(" +
+        <% if @user.courses.visible.count > 0
+           course_order_ids = "(" +
             CourseActivity.find_by_sql("SELECT  c.course_id, updated_at FROM
 	(SELECT ca.course_id, MAX(ca.updated_at) AS updated_at FROM course_activities ca WHERE ca.course_id IN (" + @user.courses.visible.select('courses.id').map{|c| c.id}.join(',') + ")
 	GROUP BY ca.course_id) AS c
-	ORDER BY c.updated_at DESC limit 5").map {|c| c.course_id}.join(",") + ")"%>
-        <% courses = Course.where("id in #{course_order_ids}")%>
+	ORDER BY c.updated_at DESC limit 5").map {|c| c.course_id}.join(",") + ")"
+         courses = Course.where("id in #{course_order_ids}")
+        else
+             courses = []
+
+        end
+        %>
         <%# courses = @user.courses.visible.where("is_delete =?", 0).select("courses.*,(SELECT MAX(updated_at)  FROM `course_activities` WHERE course_activities.course_id = courses.id) AS a").order("a desc").limit(5) %>
         <div class="homepageLeftMenuCourses <%= courses.empty? ? 'none' : ''%>" id="homepageLeftMenuCourses">
           <ul>
@@ -223,13 +229,18 @@
               <%=link_to "", new_project_path(:host=> Setting.host_name), :class => "homepageMenuSetting fr", :style => "margin-right:10px;", :title => "新建项目"%>
           <% end%>
         </div>
-        <% project_order_ids = "(" +
+        <% if @user.projects.visible.count == 0
+           project_order_ids = "(" +
             ForgeActivity.find_by_sql("SELECT  p.project_id, p.created_at FROM
 	(SELECT fa.project_id, MAX(fa.created_at) AS created_at FROM forge_activities fa WHERE fa.project_id IN (" + @user.projects.visible.select('projects.id').map{|p| p.id}.join(',') + ")
 	GROUP BY fa.project_id) AS p
-	ORDER BY p.created_at DESC limit 5").map {|p| p.project_id}.join(",") + ")"%>
-        <%# project_order_ids = "(" + ForgeActivity.select("DISTINCT project_id, max(created_at) as max_created_at").where("project_id in #{"(" + @user.projects.visible.select("projects.id").map{|p| p.id}.join(",") + ")"}").order("max_created_at desc").map {|p| p.project_id}.join(",") + ")"%>
-        <% projects = Project.where("projects.id in #{project_order_ids}")%>
+	ORDER BY p.created_at DESC limit 5").map {|p| p.project_id}.join(",") + ")"
+         projects = Project.where("projects.id in #{project_order_ids}")
+            else
+             projects = []
+           end
+        %>
+
         <%# projects = @user.projects.visible.select("projects.*, (SELECT MAX(created_at)  FROM `forge_activities` WHERE forge_activities.project_id = projects.id) AS a").order("a desc").limit(5)%>
         <div class="homepageLeftMenuCourses <%= projects.empty? ? 'none' : ''%>" id="homepageLeftMenuForge">
           <ul>