数据迁移

db/schema.rb

@@ -1387,6 +1387,7 @@ ActiveRecord::Schema.define(:version => 20160304234903) do
     t.integer  "changeset_num",     :default => 0
     t.integer  "board_message_num", :default => 0
     t.integer  "board_num",         :default => 0
+    t.integer  "act_num",           :default => 0
     t.integer  "attach_num",        :default => 0
     t.datetime "commit_time"
   end