diff --git a/app/api/controller/XunFeiController.php b/app/api/controller/XunFeiController.php
index 8c7edbe33..09086408d 100644
--- a/app/api/controller/XunFeiController.php
+++ b/app/api/controller/XunFeiController.php
@@ -139,103 +139,120 @@ class XunFeiController extends BaseApiController
         if (!file_exists($file)) {
             return $this->fail('未上传音频文件');
         }
+        $filesize = filesize($file);
+        if ($filesize > 1 * 1024 * 1024) {
+            return $this->fail('录音文件太长');
+        }
+        $ext = pathinfo($file, PATHINFO_EXTENSION);
+        if ($ext != 'mp3') {
+            return $this->fail('录音格式错误');
+        }
         // $file = "https://lihai001.oss-cn-chengdu.aliyuncs.com/media/iat_mp3_16k.mp3";
         $audioFile = fopen($file, 'rb');
         if ($audioFile === false) {
             return $this->fail('音频文件异常');
         }
-        $words = '';
-        $iatHostUrl = "wss://iat-api.xfyun.cn/v2/iat";
-        $iat = new IatClient($this->app_id, $this->api_key, $this->api_secret);
-        $client = new Client($iat->assembleAuthUrl($iatHostUrl));
-        if ($client) {
-            $frameSize = 1280; //每一帧的音频大小
-            $intervel = 20 * 1000; //发送音频间隔
-            $status = 0;
-            while (true) {
-                $len = fread($audioFile, $frameSize);
-                if ($len === false) {
-                    break;
-                }
-                if ($len === '') { //文件读取完了
-                    $status = 2;
-                }
-                switch ($status) {
-                    case 0: //发送第一帧音频，带business 参数
-                        $frameData = array(
-                            'common' => array(
-                                'app_id' => $this->app_id //appid 必须带上，只需第一帧发送
-                            ),
-                            'business' => array( //business 参数，只需一帧发送
-                                'language' => 'zh_cn',
-                                'domain' => 'iat',
-                                'accent' => 'mandarin'
-                            ),
-                            'data' => array(
-                                'status' => 0,
-                                'format' => 'audio/L16;rate=16000',
-                                'audio' => base64_encode($len),
-                                'encoding' => 'lame'
-                            )
-                        );
-                        $client->send(json_encode($frameData));
-                        $status = 1;
+
+        try {
+            $words = '';
+            $iatHostUrl = "wss://iat-api.xfyun.cn/v2/iat";
+            $iat = new IatClient($this->app_id, $this->api_key, $this->api_secret);
+            $client = new Client($iat->assembleAuthUrl($iatHostUrl));
+            if ($client) {
+                $frameSize = 1280; //每一帧的音频大小
+                $intervel = 40 * 1000; //发送音频间隔
+                $status = 0;
+                while (true) {
+                    $len = fread($audioFile, $frameSize);
+                    if ($len === false) {
                         break;
-                    case 1:
-                        $frameData = array(
-                            'data' => array(
-                                'status' => 1,
-                                'format' => 'audio/L16;rate=16000',
-                                'audio' => base64_encode($len),
-                                'encoding' => 'raw'
-                            )
-                        );
-                        $client->send(json_encode($frameData));
+                    }
+                    if ($len === '') { //文件读取完了
+                        $status = 2;
+                    }
+                    switch ($status) {
+                        case 0: //发送第一帧音频，带business 参数
+                            $frameData = array(
+                                'common' => array(
+                                    'app_id' => $this->app_id //appid 必须带上，只需第一帧发送
+                                ),
+                                'business' => array( //business 参数，只需一帧发送
+                                    'language' => 'zh_cn',
+                                    'domain' => 'iat',
+                                    'accent' => 'mandarin'
+                                ),
+                                'data' => array(
+                                    'status' => 0,
+                                    'format' => 'audio/L16;rate=16000',
+                                    'audio' => base64_encode($len),
+                                    'encoding' => 'lame'
+                                )
+                            );
+                            $client->send(json_encode($frameData));
+                            $status = 1;
+                            break;
+                        case 1:
+                            $frameData = array(
+                                'data' => array(
+                                    'status' => 1,
+                                    'format' => 'audio/L16;rate=16000',
+                                    'audio' => base64_encode($len),
+                                    'encoding' => 'raw'
+                                )
+                            );
+                            $client->send(json_encode($frameData));
+                            break;
+                        case 2:
+                            $frameData = array(
+                                'data' => array(
+                                    'status' => 2,
+                                    'format' => 'audio/L16;rate=16000',
+                                    'audio' => base64_encode($len),
+                                    'encoding' => 'raw'
+                                )
+                            );
+                            $client->send(json_encode($frameData));
+                            break 2;
+                    }
+                    //模拟音频采样间隔
+                    usleep($intervel);
+                }
+                while (true) {
+                    $response = $client->receive();
+                    if ($response === null) {
                         break;
-                    case 2:
-                        $frameData = array(
-                            'data' => array(
-                                'status' => 2,
-                                'format' => 'audio/L16;rate=16000',
-                                'audio' => base64_encode($len),
-                                'encoding' => 'raw'
-                            )
-                        );
-                        $client->send(json_encode($frameData));
-                        break 2;
+                    }
+                    $resp = json_decode($response,true);
+                    $code = $resp['code'];
+                    $message = $resp['message'];
+                    $data = $resp['data'];
+                    $result = $data['result'];
+                    $status = $data['status'];
+                    foreach($result['ws'] as $v) {
+                        $words .= $v['cw'][0]['w'] ?? '';
+                    }
+                    if ($code != 0 || $status === 2) {
+                        break;
+                    }
                 }
-                //模拟音频采样间隔
-                usleep($intervel);
+            } else {
+                // 删除临时音频文件
+                if (file_exists($file)) {
+                    //unlink($file);
+                }
+                return $this->fail('无法连接到 WebSocket 服务器');
             }
-            while (true) {
-                $response = $client->receive();
-                if ($response === null) {
-                    break;
-                }
-                $resp = json_decode($response,true);
-                $code = $resp['code'];
-                $message = $resp['message'];
-                $data = $resp['data'];
-                $result = $data['result'];
-                $status = $data['status'];
-                foreach($result['ws'] as $v) {
-                    $words .= $v['cw'][0]['w'] ?? '';
-                }
-                if ($code != 0 || $status === 2) {
-                    break;
-                }
-            }
-        } else {
+            fclose($audioFile);
             // 删除临时音频文件
             if (file_exists($file)) {
                 //unlink($file);
             }
-            return $this->fail('无法连接到 WebSocket 服务器');
-        }
-        fclose($audioFile);
-        // 删除临时音频文件
-        if (file_exists($file)) {
-            //unlink($file);
+        } catch (\Exception $e) {
+            if (file_exists($file)) {
+                // 删除临时文件
+                unlink($file);
+            }
+            return $this->fail($e->getMessage());
         }
         return $this->data(['words' => $words]);
     }