修复竞赛通知描述过长时报错的BUG

config/initializers/task.rb

@@ -2,3 +2,9 @@ Mailer.mail_issue.each do |t|
   t.join
 end
 
+#Thread.new do
+#  if Time.now == Time.
+#
+#  end
+#end
+

db/migrate/20140730024419_update_contestnotifications_description.rb

@@ -0,0 +1,9 @@
+class UpdateContestnotificationsDescription < ActiveRecord::Migration
+  def up
+    change_column  :contestnotifications, :description, :text
+  end
+
+  def down
+    change_column  :contestnotifications, :description, :string
+  end
+end

db/schema.rb

@@ -11,7 +11,7 @@
 #
 # It's strongly recommended to check this file into your version control system.
 
-ActiveRecord::Schema.define(:version => 20140728014933) do
+ActiveRecord::Schema.define(:version => 20140730024419) do
 
   create_table "activities", :force => true do |t|
     t.integer "act_id",   :null => false
@@ -272,7 +272,7 @@ ActiveRecord::Schema.define(:version => 20140728014933) do
     t.integer  "contest_id"
     t.string   "title"
     t.string   "summary"
-    t.string   "description"
+    t.text     "description"
     t.integer  "author_id"
     t.integer  "notificationcomments_count"
     t.datetime "created_at",                 :null => false