diff --git a/demos/streaming_asr_server/README_cn.md b/demos/streaming_asr_server/README_cn.md
index f6686cd276e5ca0307ed0a372511cb9150b2af67..bb1d37729ba05ec4833fee3fabfaa4497bcd13c4 100644
--- a/demos/streaming_asr_server/README_cn.md
+++ b/demos/streaming_asr_server/README_cn.md
@@ -197,7 +197,6 @@ wget -c https://paddlespeech.bj.bcebos.com/PaddleAudio/zh.wav
 **注意：** 初次使用客户端时响应时间会略长
 - 命令行 (推荐使用)
    ```
-   # 使用 paddlespecch_asr 需要指定传入协议为 websocket
    paddlespeech_client asr_online --server_ip 127.0.0.1 --port 8090 --input ./zh.wav
    ```
 
diff --git a/paddlespeech/server/bin/paddlespeech_client.py b/paddlespeech/server/bin/paddlespeech_client.py
index 227d23cf1b9dbf623cf50bc1f1bf7ae0b6994c48..2f1ce3851b17a300d1a561966e52b2133713dd1d 100644
--- a/paddlespeech/server/bin/paddlespeech_client.py
+++ b/paddlespeech/server/bin/paddlespeech_client.py
@@ -370,6 +370,8 @@ class ASRClientExecutor(BaseExecutor):
             str: The ASR results
         """
         # we use the asr server to recognize the audio text content
+        # and paddlespeech_client asr only support http protocol
+        protocol = "http"
         if protocol.lower() == "http":
             from paddlespeech.server.utils.audio_handler import ASRHttpHandler
             logger.info("asr http client start")