diff --git a/materialious/src/lib/i18n/locales/zh_Hans.json b/materialious/src/lib/i18n/locales/zh_Hans.json
index 3617360d..70b6bc65 100644
--- a/materialious/src/lib/i18n/locales/zh_Hans.json
+++ b/materialious/src/lib/i18n/locales/zh_Hans.json
@@ -37,7 +37,8 @@
         "login": "登录",
         "logout": "登出",
         "theme": {
-            "theme": "主题"
+            "theme": "主题",
+            "darkMode": "深色模式"
         },
         "bookmarklet": "书签"
     },