diff --git a/client/strings/zh-cn.json b/client/strings/zh-cn.json
index 42eee1ac5..0cfc63d00 100644
--- a/client/strings/zh-cn.json
+++ b/client/strings/zh-cn.json
@@ -378,6 +378,7 @@
   "LabelFilterByUser": "按用户筛选",
   "LabelFindEpisodes": "查找剧集",
   "LabelFinished": "已听完",
+  "LabelFinishedDate": "完成于 {0}",
   "LabelFolder": "文件夹",
   "LabelFolders": "文件夹",
   "LabelFontBold": "加粗",
@@ -436,6 +437,8 @@
   "LabelLibraryItem": "媒体库项目",
   "LabelLibraryName": "媒体库名称",
   "LabelLibrarySortByProgress": "进度更新时间",
+  "LabelLibrarySortByProgressFinished": "完成日期",
+  "LabelLibrarySortByProgressStarted": "开始日期",
   "LabelLimit": "限制",
   "LabelLineSpacing": "行间距",
   "LabelListenAgain": "再次收听",
@@ -635,6 +638,7 @@
   "LabelStartTime": "开始时间",
   "LabelStarted": "开始于",
   "LabelStartedAt": "收听始于",
+  "LabelStartedDate": "开始于 {0}",
   "LabelStatsAudioTracks": "音轨",
   "LabelStatsAuthors": "作者",
   "LabelStatsBestDay": "单日最高",