diff --git a/paddlespeech/cli/asr/infer.py b/paddlespeech/cli/asr/infer.py
index 72edd9d1..c2a096bf 100644
--- a/paddlespeech/cli/asr/infer.py
+++ b/paddlespeech/cli/asr/infer.py
@@ -287,7 +287,8 @@ class ASRExecutor(BaseExecutor):
         """
 
         audio_file = input
-        logger.info("Preprocess audio_file:" + audio_file)
+        if isinstance(audio_file, (str, os.PathLike)):
+            logger.info("Preprocess audio_file:" + audio_file)
 
         # Get the object for feature extraction
         if "deepspeech2online" in model_type or "deepspeech2offline" in model_type:
@@ -408,13 +409,8 @@ class ASRExecutor(BaseExecutor):
     def _check(self, audio_file: str, sample_rate: int, force_yes: bool):
         self.sample_rate = sample_rate
         if self.sample_rate != 16000 and self.sample_rate != 8000:
-            logger.error("please input --sr 8000 or --sr 16000")
-            raise Exception("invalid sample rate")
-            sys.exit(-1)
-
-        if not os.path.isfile(audio_file):
-            logger.error("Please input the right audio file path")
-            sys.exit(-1)
+            logger.error("invalid sample rate, please input --sr 8000 or --sr 16000")
+            return False
 
         logger.info("checking the audio file format......")
         try:
@@ -431,7 +427,7 @@ class ASRExecutor(BaseExecutor):
                  sample rate: 8k \n \
                  sox input_audio.xx --rate 8k --bits 16 --channels 1 output_audio.wav \n \
                  ")
-            sys.exit(-1)
+            return False
         logger.info("The sample rate is %d" % audio_sample_rate)
         if audio_sample_rate != self.sample_rate:
             logger.warning("The sample rate of the input file is not {}.\n \
@@ -465,6 +461,8 @@ class ASRExecutor(BaseExecutor):
             logger.info("The audio file format is right")
             self.change_format = False
 
+        return True
+
     def execute(self, argv: List[str]) -> bool:
         """
             Command line entry.
@@ -517,7 +515,8 @@ class ASRExecutor(BaseExecutor):
         Python API to call an executor.
         """
         audio_file = os.path.abspath(audio_file)
-        self._check(audio_file, sample_rate, force_yes)
+        if not self._check(audio_file, sample_rate, force_yes):
+            sys.exit(-1)
         paddle.set_device(device)
         self._init_from_path(model, lang, sample_rate, config, decode_method,
                              ckpt_path)
diff --git a/paddlespeech/server/bin/paddlespeech_server.py b/paddlespeech/server/bin/paddlespeech_server.py
index 8651eb43..5b70e227 100644
--- a/paddlespeech/server/bin/paddlespeech_server.py
+++ b/paddlespeech/server/bin/paddlespeech_server.py
@@ -74,4 +74,4 @@ class ServerExecutor(BaseExecutor):
         config = get_config(args.config_file)
 
         if self.init(config):
-            uvicorn.run(app, host=config.host, port=config.port, debug=True)v
\ No newline at end of file
+            uvicorn.run(app, host=config.host, port=config.port, debug=True)
\ No newline at end of file