diff --git a/core/assets/bundles/bundle_zh_TW.properties b/core/assets/bundles/bundle_zh_TW.properties
index 1cc55e7a03..a9c38d9eba 100644
--- a/core/assets/bundles/bundle_zh_TW.properties
+++ b/core/assets/bundles/bundle_zh_TW.properties
@@ -803,6 +803,7 @@ rules.title.player = 玩家
 rules.title.enemy = 敵人
 rules.title.unit = 單位
 rules.title.experimental = 實驗中
+rules.title.environment = 環境
 rules.lighting = 光照
 rules.ambientlight = 環境光照
 rules.solarpowermultiplier = 太陽能倍數