diff --git a/app/api/controller/XunFeiController.php b/app/api/controller/XunFeiController.php
index 36be6981e..e87c7e089 100644
--- a/app/api/controller/XunFeiController.php
+++ b/app/api/controller/XunFeiController.php
@@ -150,7 +150,7 @@ class XunFeiController extends BaseApiController
         $client = new Client($iat->assembleAuthUrl($iatHostUrl));
         if ($client) {
             $frameSize = 1280; //每一帧的音频大小
-            $intervel = 40 * 1000; //发送音频间隔
+            $intervel = 20 * 1000; //发送音频间隔
             $status = 0;
             while (true) {
                 $len = fread($audioFile, $frameSize);