修改表结构

app/helpers/open_source_projects_helper.rb

@@ -34,4 +34,8 @@ module OpenSourceProjectsHelper
   def get_open_source_projects_by_tag(tag_name)
     OpenSourceProject.tagged_with(tag_name).order('created_at desc')
   end
+  
+  def show_origin(url)
+    
+  end
 end

db/migrate/20140515013449_add_author_to_relative_memo.rb

@@ -0,0 +1,6 @@
+class AddAuthorToRelativeMemo < ActiveRecord::Migration
+  def change
+    add_column :relative_memos, :username, :string
+    add_column :relative_memos, :userhomeurl, :string
+  end
+end