diff --git a/app/controllers/repositories_controller.rb b/app/controllers/repositories_controller.rb
index 3b97802f5..b86630d98 100644
--- a/app/controllers/repositories_controller.rb
+++ b/app/controllers/repositories_controller.rb
@@ -240,7 +240,7 @@ class RepositoriesController < ApplicationController
       @course_tag = params[:course]
       project_path_cut = RepositoriesHelper::PROJECT_PATH_CUT
       ip = RepositoriesHelper::REPO_IP_ADDRESS
-      @repos_url = "http://"+@repository.login.to_s+"_"+@repository.identifier.to_s+"@"+ip+
+      @repos_url = "http://"+@repository.login.to_s+"_"+@repository.identifier.to_s+"@"+ip.to_s+
       @repository.url.slice(project_path_cut, @repository.url.length).to_s
       if @course_tag == 1
         render :action => 'show', :layout => 'base_courses'
diff --git a/app/views/layouts/_base_footer.html.erb b/app/views/layouts/_base_footer.html.erb
index 37f5cf0e2..266bb8527 100644
--- a/app/views/layouts/_base_footer.html.erb
+++ b/app/views/layouts/_base_footer.html.erb
@@ -32,8 +32,6 @@
 <div class="debug">
   <%= debug(params) if Rails.env.development? %>
   <div class="hidden">
-
-    <script src="http://s4.cnzz.com/z_stat.php?id=1000482288&web_id=1000482288" language="JavaScript"></script>
     <script>
 
     (function(i,s,o,g,r,a,m){i['GoogleAnalyticsObject']=r;i[r]=i[r]||function(){