diff --git a/app/controllers/projects_controller.rb b/app/controllers/projects_controller.rb
index b357ac44f..92186710c 100644
--- a/app/controllers/projects_controller.rb
+++ b/app/controllers/projects_controller.rb
@@ -42,7 +42,7 @@ class ProjectsController < ApplicationController
   before_filter :authorize_global, :only => [:new, :create,:view_homework_attaches]
   before_filter :require_admin, :only => [ :copy, :archive, :unarchive, :destroy, :calendar]
   before_filter :file, :statistics, :watcherlist
-
+  before_filter :find_project_repository, :only => [:show]
   # 除非项目内人员，不可查看成员, TODO: 完了写报表里去
   before_filter :memberAccess, only: :member
 
@@ -78,6 +78,14 @@ class ProjectsController < ApplicationController
   ### added by william
   include ActsAsTaggableOn::TagsHelper
 
+  def find_project_repository
+    unless @project.repositories.nil?
+      @project.repositories.each do |repository|
+        repository.fetch_changesets if Setting.autofetch_changesets?
+      end
+    end
+  end
+
   def enterprise_course
     session[:enterprise_college] = 2
     respond_to do |format|