diff --git a/packages/excalidraw/locales/zh-TW.json b/packages/excalidraw/locales/zh-TW.json
index 88654559ec..7130e39dad 100644
--- a/packages/excalidraw/locales/zh-TW.json
+++ b/packages/excalidraw/locales/zh-TW.json
@@ -110,7 +110,7 @@
     "showStroke": "顯示線條檢色器",
     "showBackground": "顯示背景檢色器",
     "toggleTheme": "切換 亮色/暗色 主題",
-    "theme": "",
+    "theme": "佈景主題",
     "personalLib": "個人資料庫",
     "excalidrawLib": "Excalidraw 資料庫",
     "decreaseFontSize": "縮小文字",
@@ -181,7 +181,7 @@
     "fullScreen": "全螢幕",
     "darkMode": "深色模式",
     "lightMode": "淺色模式",
-    "systemMode": "",
+    "systemMode": "系統模式",
     "zenMode": "專注模式",
     "objectsSnapMode": "吸附至物件",
     "exitZenMode": "離開專注模式",