diff --git a/k230/05test_state_detection.py b/k230/05test_state_detection.py
index f5d9667..19c6cb9 100644
--- a/k230/05test_state_detection.py
+++ b/k230/05test_state_detection.py
@@ -11,11 +11,11 @@ from state_detection import StateDetector
 # ========== 配置参数 ==========
 
 # WiFi配置
-WIFI_SSID = "ZTE_969121"
-WIFI_PASSWORD = None
+WIFI_SSID = "dongshengwu"
+WIFI_PASSWORD = "wds666666"
 
 # 服务器配置
-SERVER_HOST = "192.168.0.21"
+SERVER_HOST = "172.20.10.9"
 SERVER_PORT = 8081
 API_PATH = "/api/detection/analyze"
 
diff --git a/k230/agent_client_http.py b/k230/agent_client_http.py
index 77c21e8..277ff78 100644
--- a/k230/agent_client_http.py
+++ b/k230/agent_client_http.py
@@ -217,9 +217,11 @@ class AgentClientHTTP:
 
 if __name__ == "__main__":
     # ========== CONFIG ==========
-    WIFI_SSID = "dongshengwu"
+#    WIFI_SSID = "dongshengwu"
+    WIFI_SSID = "ZTE_969121"
     WIFI_PASSWORD = "wds666666"
-    SERVER_HOST = "172.20.10.2"
+#    SERVER_HOST = "172.20.10.2"
+    SERVER_HOST = "192.168.0.93"
     SERVER_PORT = 8000
     # ============================
 
diff --git a/k230/boot.py b/k230/boot.py
index 0888531..ec1612a 100644
--- a/k230/boot.py
+++ b/k230/boot.py
@@ -1,39 +1,59 @@
-# play mp4 file example
+# audio input and output example
 #
 # Note: You will need an SD card to run this example.
 #
-# You can load local files to play. The current version only supports MP4 format, video supports 264/265, and audio supports g711a/g711u.
+# You can play wav files or capture audio to save as wav
 
-from media.player import * #导入播放器模块，用于播放mp4文件
 import os
+from media.media import *  # 导入media模块，用于初始化vb buffer
+from media.pyaudio import *  # 导入pyaudio模块，用于采集和播放音频
+import media.wave as wave  # 导入wav模块，用于保存和加载wav音频文件
 
-start_play = False #播放结束flag
-def player_event(event,data):
-    global start_play
-    if(event == K_PLAYER_EVENT_EOF): #播放结束标识
-        start_play = False #设置播放结束标识
 
-def play_mp4_test(filename):
-    global start_play
-    player=Player() #创建播放器对象
-    player.load(filename) #加载mp4文件
-    player.set_event_callback(player_event) #设置播放器事件回调
-    player.start() #开始播放
-    start_play = True
-
-    #等待播放结束
+def exit_check():
     try:
-        while(start_play):
-            time.sleep(0.1)
-            os.exitpoint()
+        os.exitpoint()
     except KeyboardInterrupt as e:
         print("user stop: ", e)
-    except BaseException as e:
-        sys.print_exception(e)
+        return True 
+    return False
+
+
+def play_audio(filename):
+    try:
+        wf = wave.open(filename, 'rb')  # 打开wav文件
+        CHUNK = int(wf.get_framerate() / 25)  # 设置音频chunk值
+
+        p = PyAudio()
+        p.initialize(CHUNK)  # 初始化PyAudio对象
+        MediaManager.init()  # vb buffer初始化
+
+        # 创建音频输出流，设置的音频参数均为wave中获取到的参数
+        stream = p.open(format=p.get_format_from_width(wf.get_sampwidth()),
+                        channels=wf.get_channels(),
+                        rate=wf.get_framerate(),
+                        output=True, frames_per_buffer=CHUNK)
+
+        data = wf.read_frames(CHUNK)  # 从wav文件中读取数一帧数据
+
+        while data:
+            stream.write(data)  # 将帧数据写入到音频输出流中
+            data = wf.read_frames(CHUNK)  # 从wav文件中读取数一帧数据
+            if exit_check():
+                break
+    except BaseException as e:
+        print(f"Exception {e}")
+    finally:
+        stream.stop_stream()  # 停止音频输出流
+        stream.close()  # 关闭音频输出流
+        p.terminate()  # 释放音频对象
+        wf.close()  # 关闭wav文件
+
+        MediaManager.deinit()  # 释放vb buffer
 
-    player.stop() #停止播放
-    print("play over")
 
 if __name__ == "__main__":
     os.exitpoint(os.EXITPOINT_ENABLE)
-    play_mp4_test("/sdcard/logo_3s.mp4")#播放mp4文件
+    print("play_audio sample start")
+    play_audio('/sdcard/hello.wav')  # 播放wav文件
+    print("play_audio sample done")
diff --git a/k230/hello.wav b/k230/hello.wav
new file mode 100644
index 0000000..7e07410
Binary files /dev/null and b/k230/hello.wav differ
diff --git a/k230/hello_24k.wav b/k230/hello_24k.wav
new file mode 100644
index 0000000..e68783a
Binary files /dev/null and b/k230/hello_24k.wav differ
diff --git a/k230/test.py b/k230/test.py
index e69de29..ab2ffa4 100644
--- a/k230/test.py
+++ b/k230/test.py
@@ -0,0 +1,3 @@
+# 查看/sdcard下的文件
+import os
+print(os.listdir('/sdcard'))