将autologin默认过期时间改为两个月

app/models/token.rb

@@ -32,6 +32,8 @@ class Token < ActiveRecord::Base
     token = Token.get_token_from_user(user, 'autologin')
     unless token
       token = Token.create(:user => user, :action => 'autologin')
+    else
+      token..update_attribute(:created_on, Time.now)
     end
     token
   end

db/migrate/20150510100343_change_autologin_from_settings.rb

@@ -0,0 +1,9 @@
+class ChangeAutologinFromSettings < ActiveRecord::Migration
+  def up
+    Setting.where(name: 'autologin').update_all(value: 60)
+  end
+
+  def down
+    Setting.where(name: 'autologin').update_all(value: 7)
+  end
+end