diff --git a/lang/zh.json b/lang/zh.json
index 77da7547..04da42a9 100644
--- a/lang/zh.json
+++ b/lang/zh.json
@@ -677,6 +677,10 @@
     "no_expenses": "沒有支出!",
     "list_of_expenses": "這部份包含支出列表",
     "confirm_delete": "你將不能夠還原此支出 | 你將不能夠還原這些支出",
+    "duplicate_expense": "Duplicate",
+    "duplicate_expense_title": "Duplicate expense",
+    "duplicate_expense_modal_hint": "Change the date if you need to. (copy) is added to the note.",
+    "duplicated_message": "Expense duplicated successfully",
     "created_message": "成功新增支出",
     "updated_message": "成功更新支出",
     "deleted_message": "成功刪除支出 | 成功刪除支出",