diff --git a/i18n/zh-cn.yaml b/i18n/zh-cn.yaml
index 9d929fd..eaca62f 100644
--- a/i18n/zh-cn.yaml
+++ b/i18n/zh-cn.yaml
@@ -1,6 +1,7 @@
 backToTop: "返回顶部"
 changeLanguage: "切换语言"
 changeTheme: "切换主题"
+copyCode: "复制代码"
 copyright: "© 2025 Hextra Project."
 dark: "深色"
 editThisPage: "在 GitHub 上编辑此页 →"
@@ -14,3 +15,4 @@ readMore: "更多 →"
 searchPlaceholder: "搜索文档..."
 previous: "上一页"
 next: "下一页"
+system: "跟随系统"