diff --git a/app/appearance/langs/zh_CN.json b/app/appearance/langs/zh_CN.json
index 5716ebdad..3ace09105 100644
--- a/app/appearance/langs/zh_CN.json
+++ b/app/appearance/langs/zh_CN.json
@@ -1,4 +1,5 @@
 {
+  "unref": "未引用",
   "listItemDotNumberClickFocus": "列表项圆点/数字单击聚焦",
   "listItemDotNumberClickFocusTip": "启用后单击列表项的圆点/数字将进入聚焦",
   "reviewMode": "复习模式",