改为了山东理工大学的源，比taobao源快，稳定

Gemfile

@@ -1,4 +1,5 @@
-source 'http://ruby.taobao.org'
+# source 'http://ruby.taobao.org'
+source 'http://ruby.sdutlinux.org/'
 
 unless RUBY_PLATFORM =~ /w32/
   # unix-like only

Gemfile.lock

@@ -19,7 +19,7 @@ PATH
       rails
 
 GEM
-  remote: http://ruby.taobao.org/
+  remote: http://ruby.sdutlinux.org/
   remote: https://rubygems.org/
   specs:
     actionmailer (3.2.13)
@@ -101,6 +101,7 @@ GEM
     hike (1.2.3)
     htmlentities (4.3.2)
     i18n (0.6.1)
+    iconv (1.0.4)
     journey (1.0.4)
     jquery-rails (2.0.3)
       railties (>= 3.1.0, < 5.0)
@@ -193,6 +194,7 @@ GEM
       sass-rails
     rmagick (2.13.2)
     ruby-openid (2.1.8)
+    ruby-prof (0.15.1)
     rubyzip (1.1.6)
     sass (3.3.10)
     sass-rails (3.2.6)
@@ -237,6 +239,8 @@ GEM
     win32console (1.3.2-x86-mingw32)
     xpath (2.0.0)
       nokogiri (~> 1.3)
+    zip-zip (0.3)
+      rubyzip (>= 1.0.0)
 
 PLATFORMS
   ruby
@@ -258,6 +262,7 @@ DEPENDENCIES
   guard-test (~> 1.0.0)
   htmlentities
   i18n (~> 0.6.0)
+  iconv
   jquery-rails (~> 2.0.2)
   kaminari
   mocha (~> 1.1.0)
@@ -273,6 +278,8 @@ DEPENDENCIES
   rich (= 1.4.6)
   rmagick (>= 2.0.0)
   ruby-openid (~> 2.1.4)
+  ruby-prof (~> 0.15.1)
+  rubyzip
   sass-rails (~> 3.2.3)
   seems_rateable!
   selenium-webdriver (~> 2.42.0)
@@ -280,3 +287,4 @@ DEPENDENCIES
   spork-testunit (~> 0.0.8)
   therubyracer
   uglifier (>= 1.0.3)
+  zip-zip