[doc] update readme

README.md

@@ -23,7 +23,7 @@ sudo apt-get install -y git swig python3-pip python3-dev portaudio19-dev libsndf
 ```
 // 克隆项目到本地 https or ssh
 git clone http://43.132.157.186:3000/gaohz/TakwayBoard.git
-cd TakwayBoard
+cd TakwayBoard && git checkout release/v0.9
 sudo pip install -v -e .
 ```
 

ws_client.py

@@ -6,7 +6,7 @@ import platform
 
 if __name__ == '__main__':
     
-    server_url = 'ws://222.195.90.129:8001/api/chat/streaming/temporary'
+    server_url = 'ws://222.195.90.129:8002/api/chat/streaming/temporary'
     
     # session_id = 'de9dc06c-2d74-42f8-9c11-9797f9fe0d01' # 麓旬
     # session_id = '3f7c2d8f-dc8a-4f1b-9fe0-6bf56c759a41' # 砚文