fix error

app/controllers/asks_controller.rb

@@ -182,7 +182,7 @@ class AsksController < ApplicationController
         end
       end
     end
-    flag =(gotcha_valid? || !AskSetting.first.default_setting['recaptcha']) && @ask_question.save
+    flag =(!ask_setting.default_setting['recaptcha'] || gotcha_valid?) && @ask_question.save
     if flag
       all_to_save.each do |to_save|
         flag = flag && to_save[1].save