diff --git a/app/controllers/personal_journals_controller.rb b/app/controllers/personal_journals_controller.rb
index 1bb4b5d..03a7470 100644
--- a/app/controllers/personal_journals_controller.rb
+++ b/app/controllers/personal_journals_controller.rb
@@ -55,7 +55,7 @@ class PersonalJournalsController < ApplicationController
     end
     choice_value = fields_to_show
     choice_value.unshift("paper_title")
-    choice_show = headers.select { |key,value| key == "head-title" }
+    choice_show = headers.select { |array| array["head-title"] }
     choice_default = OrbitHelper.params[:locale]!='en' ? "——選取分類——" : "——select class——"
     choice_show.unshift(choice_default)
     {