diff --git a/src/main/java/com/newyetai/sdk/xf/util/WebIATWS.java b/src/main/java/com/newyetai/sdk/xf/util/WebIATWS.java
index 8274032..aaefffb 100644
--- a/src/main/java/com/newyetai/sdk/xf/util/WebIATWS.java
+++ b/src/main/java/com/newyetai/sdk/xf/util/WebIATWS.java
@@ -57,7 +57,7 @@ public class WebIATWS extends WebSocketListener {
   InputStream is;
   private String appId;
   // mp3格式
-  private String encoding = "lame";
+  private String encoding = "raw";
   private AlitaResult<String> result;
 
   WebIATWS(InputStream is, String appId) {
diff --git a/src/main/java/com/newyetai/sdk/xf/util/WebTtsWS.java b/src/main/java/com/newyetai/sdk/xf/util/WebTtsWS.java
index 27528e1..8cb98ba 100644
--- a/src/main/java/com/newyetai/sdk/xf/util/WebTtsWS.java
+++ b/src/main/java/com/newyetai/sdk/xf/util/WebTtsWS.java
@@ -163,7 +163,7 @@ public class WebTtsWS extends WebSocketListener {
       return AlitaResult.success();
     } catch (Exception e) {
       log.info("err ", e);
-      return AlitaResult.error("语音听写失败：{}", e.getMessage());
+      return AlitaResult.error("语音合成失败：{}", e.getMessage());
     }
 
   }
diff --git a/src/main/java/com/newyetai/sdk/xf/util/XfUtils.java b/src/main/java/com/newyetai/sdk/xf/util/XfUtils.java
index 705651b..75f3360 100644
--- a/src/main/java/com/newyetai/sdk/xf/util/XfUtils.java
+++ b/src/main/java/com/newyetai/sdk/xf/util/XfUtils.java
@@ -106,8 +106,7 @@ public class XfUtils {
    * @author sr on 2025-01-09 
    */
   public static String iat(String fileCode) {
-    FileRecord fileRecord = fileRecordService.find(FileRecord.builder().fileCode(fileCode).build());
-    try (InputStream is = FileUtils.convertWebmToMp3(new File(fileRecord.getFilePath()))){
+    try (InputStream is = fileRecordService.getFile(fileCode)){
       AlitaResult<String> result =  WebIATWS.execute(is, xfProperties);
       Assert.isTrue(result.getSuccess(), result.getMsg());
       return result.getData();
diff --git a/src/main/resources/iat/cn.pcm b/src/main/resources/iat/cn.pcm
new file mode 100644
index 0000000..518c903
Binary files /dev/null and b/src/main/resources/iat/cn.pcm differ