diff --git a/client/strings/zh-cn.json b/client/strings/zh-cn.json
index e86f1be7..a373ca29 100644
--- a/client/strings/zh-cn.json
+++ b/client/strings/zh-cn.json
@@ -418,6 +418,7 @@
   "LabelLanguages": "语言",
   "LabelLastBookAdded": "最后添加的书",
   "LabelLastBookUpdated": "最后更新的书",
+  "LabelLastProgressDate": "上次阅读时间: {0}",
   "LabelLastSeen": "上次查看时间",
   "LabelLastTime": "最近一次",
   "LabelLastUpdate": "最近更新",
@@ -430,6 +431,7 @@
   "LabelLibraryFilterSublistEmpty": "没有 {0}",
   "LabelLibraryItem": "媒体库项目",
   "LabelLibraryName": "媒体库名称",
+  "LabelLibrarySortByProgress": "进度更新时间",
   "LabelLimit": "限制",
   "LabelLineSpacing": "行间距",
   "LabelListenAgain": "再次收听",