diff --git a/README.md b/README.md
index 9888519..493f9c3 100644
--- a/README.md
+++ b/README.md
@@ -33,8 +33,10 @@ public static void main(String[] args) {
     Voice voice = TTSVoice.provides().stream().filter(v -> v.getShortName().equals("zh-CN-XiaoyiNeural")).collect(Collectors.toList()).get(0);
     String content = "你好，有什么可以帮助你的吗";
     String fileName = new TTS(voice, content)
-                  .fileName("file name")// You can customize the file name; if omitted, a random file name will be generated.
-//                .formatMp3()  // default mp3.
+                .findHeadHook()
+                .fileName("file name")// You can customize the file name; if omitted, a random file name will be generated.
+                .overwrite(false) // When the specified file name is the same, it will either overwrite or append to the file.
+                .formatMp3()  // default mp3.
 //                .formatOpus() // or opus
 //                .voicePitch()
 //                .voiceRate()
@@ -42,7 +44,7 @@ public static void main(String[] args) {
 //                .storage()  // the output file storage ,default is ./storage
 //                .connectTimeout(0) // set connect timeout
                 .trans();
-        // you can find the voice file in storage folder      
+        // you can find the voice file in storage folder
 }
 ```