diff --git a/config/locales/zh_tw.yml b/config/locales/zh_tw.yml
index 8d8b997..fa2d93a 100644
--- a/config/locales/zh_tw.yml
+++ b/config/locales/zh_tw.yml
@@ -3,6 +3,7 @@ zh_tw:
     personal_journal: 期刊論文
     journal_paper: 期刊論文
   personal_journal:
+    no_input: "未輸入"
     select_class: "——選取分類——"
     search_class: "搜尋類別:"
     word_to_search: "關鍵字搜尋:"