diff --git a/Gemfile b/Gemfile
index 0fc84e5f9..237918812 100644
--- a/Gemfile
+++ b/Gemfile
@@ -1,7 +1,6 @@
 source 'http://ruby.taobao.org'
 #source 'http://ruby.sdutlinux.org/'
 #
-puts 
 
 unless RUBY_PLATFORM =~ /w32/
   # unix-like only
@@ -28,7 +27,7 @@ gem 'rufus-scheduler'
 group :development do
   gem 'grape-swagger'
   #gem 'grape-swagger-ui', git: 'https://github.com/guange2015/grape-swagger-ui.git'
-  #gem 'puma'
+  gem 'puma' if RbConfig::CONFIG['host_os'] =~ /linux/
   gem 'pry-rails'
   if RUBY_VERSION >= '2.0.0'
     gem 'pry-byebug'
diff --git a/app/controllers/git_callback_controller.rb b/app/controllers/git_callback_controller.rb
new file mode 100644
index 000000000..717a22961
--- /dev/null
+++ b/app/controllers/git_callback_controller.rb
@@ -0,0 +1,9 @@
+class GitCallbackController < ApplicationController
+
+  def post_update
+    @repository = Repository.find_by_root_url(params[:root_url])
+    @repository.fetch_changesets
+    render :text => 'success'
+  end
+
+end
\ No newline at end of file
diff --git a/config/routes.rb b/config/routes.rb
index 365c5a78e..08188203d 100644
--- a/config/routes.rb
+++ b/config/routes.rb
@@ -860,6 +860,11 @@ RedmineApp::Application.routes.draw do
   match 'system_log/clear'
   ##ended by lizanle
 
+  resources :git_callback do
+    collection do
+      post 'post_update'
+    end
+  end
 
   Dir.glob File.expand_path("plugins/*", Rails.root) do |plugin_dir|
     file = File.join(plugin_dir, "config/routes.rb")
diff --git a/files/2013/09/130913214441_89d0a4acf8770fc08309561559c49b62.exe b/files/2013/09/130913214441_89d0a4acf8770fc08309561559c49b62.exe
deleted file mode 100644
index 6b17f167a..000000000
Binary files a/files/2013/09/130913214441_89d0a4acf8770fc08309561559c49b62.exe and /dev/null differ