diff --git a/funasr/runtime/python/websocket/README.md b/funasr/runtime/python/websocket/README.md
index 686ad86ab..756efd617 100644
--- a/funasr/runtime/python/websocket/README.md
+++ b/funasr/runtime/python/websocket/README.md
@@ -43,6 +43,9 @@ python funasr_wss_server.py --port 10095
 
 Install the requirements for client
 ```shell
+apt-get install -y ffmpeg #ubuntu
+# yum install -y ffmpeg # centos
+
 git clone https://github.com/alibaba/FunASR.git && cd FunASR
 cd funasr/runtime/python/websocket
 pip install -r requirements_client.txt