diff --git a/app/controllers/avatar_controller.rb b/app/controllers/avatar_controller.rb
index fa7eb6052..b7dec5453 100644
--- a/app/controllers/avatar_controller.rb
+++ b/app/controllers/avatar_controller.rb
@@ -55,17 +55,20 @@ class AvatarController < ApplicationController
     # saved = @avatar.save
     begin
       f = Magick::ImageList.new(diskfile)
-      width = 300.0
-      proportion = (width/f[0].columns)
-      height = (f[0].rows*proportion)
-      f.resize_to_fill!(width,height)
-      # f.scale!(width,height)
-      f.write(diskfile)
+      # gif格式不再做大小处理
+      if f.format != 'GIF'
+        width = 300.0
+        proportion = (width/f[0].columns)
+        height = (f[0].rows*proportion)
+        f.resize_to_fill!(width,height)
+        f.write(diskfile)
+      end
+
     rescue Exception => e
       logger.error "[Error] avatar : avatar_controller#upload ===> #{e}"
     end
 
-    
+
     respond_to do |format|
       format.js
       format.api {
diff --git a/app/controllers/courses_controller.rb b/app/controllers/courses_controller.rb
index 38ae662fc..aa5e2c2a6 100644
--- a/app/controllers/courses_controller.rb
+++ b/app/controllers/courses_controller.rb
@@ -605,6 +605,15 @@ class CoursesController < ApplicationController
       events = @activity.events(@date_from, @date_to, :is_public => 1)
     end
 
+    # 无新动态时，显示老动态
+    if events.count == 0
+      if User.current.member_of_course?(@course)|| User.current.admin?
+        events = @activity.events
+      else
+        events = @activity.events(:is_public => 1)
+      end
+    end
+
     @offset, @limit = api_offset_and_limit({:limit => 10})
     @events_count = events.count
     @events_pages = Paginator.new @events_count, @limit, params['page']
diff --git a/app/controllers/projects_controller.rb b/app/controllers/projects_controller.rb
index f3ab77603..c0561bd1c 100644
--- a/app/controllers/projects_controller.rb
+++ b/app/controllers/projects_controller.rb
@@ -594,6 +594,7 @@ class ProjectsController < ApplicationController
       "show_news" => true,
       "show_bids" => true,
       "show_contests" => true,
+      "show_wiki_edits"=>true,
       "show_journals_for_messages" => true
     }
     @date_to ||= Date.today + 1
diff --git a/app/models/repository.rb b/app/models/repository.rb
index 260069f94..5680f05a7 100644
--- a/app/models/repository.rb
+++ b/app/models/repository.rb
@@ -39,7 +39,8 @@ class Repository < ActiveRecord::Base
   validates_length_of :password, :maximum => 255, :allow_nil => true
   validates_length_of :identifier, :maximum => IDENTIFIER_MAX_LENGTH, :allow_blank => true
   validates_presence_of :identifier#, :unless => Proc.new { |r| r.is_default? || r.set_as_default? }
-  validates_uniqueness_of :identifier, :scope => :project_id, :allow_blank => true
+  #validates_uniqueness_of :identifier, :scope => :project_id, :allow_blank => true
+  validates_uniqueness_of :identifier, :allow_blank => true
   validates_exclusion_of :identifier, :in => %w(show entry raw changes annotate diff show stats graph)
   # donwcase letters, digits, dashes, underscores but not digits only
   validates_format_of :identifier, :with => /^[a-z0-9_\-]+$/, :allow_blank => true
diff --git a/db/schema.rb b/db/schema.rb
index e23fd19d2..1307dd913 100644
--- a/db/schema.rb
+++ b/db/schema.rb
@@ -437,9 +437,9 @@ ActiveRecord::Schema.define(:version => 20140826072838) do
     t.string   "web_title"
     t.string   "title"
     t.text     "description"
-    t.string   "page_type"
     t.datetime "created_at",                    :null => false
     t.datetime "updated_at",                    :null => false
+    t.string   "page_type"
     t.integer  "sort_type"
     t.integer  "show_course",  :default => 1
     t.integer  "show_contest", :default => 1
@@ -458,6 +458,26 @@ ActiveRecord::Schema.define(:version => 20140826072838) do
     t.datetime "updated_at",                  :null => false
   end
 
+  create_table "gitlab_projects", :force => true do |t|
+    t.integer  "gitlab_project_id"
+    t.integer  "project_id"
+    t.string   "repository_url"
+    t.string   "web_url"
+    t.string   "localfile_url"
+    t.datetime "created_at",        :null => false
+    t.datetime "updated_at",        :null => false
+  end
+
+  create_table "gitlab_users", :force => true do |t|
+    t.integer  "gitlab_user_id"
+    t.integer  "user_id"
+    t.string   "email"
+    t.string   "password"
+    t.string   "login",          :null => false
+    t.datetime "created_at",     :null => false
+    t.datetime "updated_at",     :null => false
+  end
+
   create_table "groups_users", :id => false, :force => true do |t|
     t.integer "group_id", :null => false
     t.integer "user_id",  :null => false