diff --git a/sonoff/language/zh-TW.h b/sonoff/language/zh-TW.h
index 14052d9f3..5b275b925 100644
--- a/sonoff/language/zh-TW.h
+++ b/sonoff/language/zh-TW.h
@@ -163,6 +163,7 @@
 #define D_USER "用戶名"
 #define D_UTC_TIME "UTC"
 #define D_UV_INDEX "UV Index"
+#define D_UV_INDEX_1 "Low"
 #define D_UV_INDEX_2 "Mid"
 #define D_UV_INDEX_3 "High"
 #define D_UV_INDEX_4 "Danger"
@@ -500,6 +501,7 @@
 #define D_UNIT_AMPERE "安"
 #define D_UNIT_CENTIMETER "cm"
 #define D_UNIT_HERTZ "Hz"
+#define D_UNIT_INCREMENTS "inc"
 #define D_UNIT_HOUR "時"
 #define D_UNIT_KILOOHM "千歐"
 #define D_UNIT_KILOWATTHOUR "千瓦時"