diff --git a/config/locales/zh_tw.yml b/config/locales/zh_tw.yml
index d61cc4d..c51ef1a 100644
--- a/config/locales/zh_tw.yml
+++ b/config/locales/zh_tw.yml
@@ -4,6 +4,9 @@ zh_tw:
     book_paper: "專書 / 專書章節"
     personal_book : "專書 / 專書章節"
   personal_book:
+    select_class: "——選取分類——"
+    search_class: "搜尋類別:"
+    word_to_search: "關鍵字搜尋:"
     paper_title : "論文名稱"
     book_title : "書名"
     extracted_chapters : "部份章節"