修复竞赛作品附件删除报错的bug

Signed-off-by: alan <547533434@qq.com>

Gemfile

@@ -1,5 +1,5 @@
-# source 'http://ruby.taobao.org'
-source 'http://ruby.sdutlinux.org/'
+source 'http://ruby.taobao.org'
+#source 'http://ruby.sdutlinux.org/'
 
 unless RUBY_PLATFORM =~ /w32/
   # unix-like only
@@ -30,6 +30,7 @@ group :test do
   gem 'factory_girl', '~> 4.4.0'
   gem 'selenium-webdriver', '~> 2.42.0'
 
+
   platforms :mri, :mingw do
     group :rmagick do
       # RMagick 2 supports ruby 1.9
@@ -48,6 +49,7 @@ group :development, :test do
 	gem 'ruby-prof', '~> 0.15.1' unless RUBY_PLATFORM =~ /w32/
 	gem 'pry'
 	gem 'pry-nav'
+
 end
 
 

Gemfile.lock

@@ -19,7 +19,7 @@ PATH
       rails
 
 GEM
-  remote: http://ruby.sdutlinux.org/
+  remote: http://ruby.taobao.org/
   remote: https://rubygems.org/
   specs:
     actionmailer (3.2.13)

app/controllers/attachments_controller.rb

@@ -194,11 +194,11 @@ class AttachmentsController < ApplicationController
           format.html { redirect_to_referer_or course_path(@course) }
         end
       else
-        if @project.nil?
-          format.html { redirect_to_referer_or forum_memo_path(@attachment.container.forum, @attachment.container) }
-        else
+        # if @project.nil?
+        #   format.html { redirect_to_referer_or forum_memo_path(@attachment.container.forum, @attachment.container) }
+        # else
           format.html { redirect_to_referer_or project_path(@project) }
-        end
+        # end
       end
 
       format.js