diff --git a/web/src/component/AudioPlayer.js b/web/src/component/AudioPlayer.js
index 6f10126..f8aad2f 100644
--- a/web/src/component/AudioPlayer.js
+++ b/web/src/component/AudioPlayer.js
@@ -98,7 +98,7 @@ function AudioPlayer(props) {
             {CalcReadableFilesizeDetail(props.playingFile.filesize)}
           </button>
 
-          {isPreparing && <button disabled>Preparing...</button>}
+          {isPreparing && <button disabled>{Tr("Preparing...")}</button>}
 
           {playingURL !== "" && (
             <button
diff --git a/web/src/translate/zh_CN.js b/web/src/translate/zh_CN.js
index 38142b4..2a6d920 100644
--- a/web/src/translate/zh_CN.js
+++ b/web/src/translate/zh_CN.js
@@ -100,6 +100,7 @@ const LANG_zh_CN = {
   "filename updated": "已修改文件名",
   "please select a tag": "请选择一个标签",
   "files in folder": "文件夹内",
+  "preparing...": "转码中...",
 };
 
 export default LANG_zh_CN;