diff --git a/bk_aidk/projects/beken_wss_paopao/main/application.c b/bk_aidk/projects/beken_wss_paopao/main/application.c
index 04306159..461ab151 100755
--- a/bk_aidk/projects/beken_wss_paopao/main/application.c
+++ b/bk_aidk/projects/beken_wss_paopao/main/application.c
@@ -34,7 +34,7 @@
 #define LOGE(...) BK_LOGE(TAG, ##__VA_ARGS__)
 #define LOGD(...) BK_LOGD(TAG, ##__VA_ARGS__)
 
-
+static DeviceState deviceState = kDeviceStateIdle;
 
 static ReturnValue sleep_helper_set_mode_callback(const PropertyList* properties) {
     Property* mode_prop = property_list_get_by_name(properties, "mode");
@@ -263,6 +263,44 @@ void app_mcp_init(){
     }
 }
 
+
+void app_set_device_state(DeviceState state){
+    deviceState = state;
+    switch(deviceState){
+        case kDeviceStateIdle:
+            LOGE("set_device_state -> idle\n");
+            break;
+        case kDeviceStateConnecting:
+            LOGE("set_device_state -> connecting\n"); 
+            break;
+        case kDeviceStateListening:
+            LOGE("set_device_state -> listening\n"); 
+            break;
+        case kDeviceStateSpeaking:
+            LOGE("set_device_state -> speaking\n"); 
+            break;
+        case kDeviceStateUpgrading:
+            LOGE("set_device_state -> upgrading\n");
+            break;
+        case kDeviceStateActivating:
+            LOGE("set_device_state -> activating\n");
+            break;
+        case kDeviceStateAudioTesting:
+          
+            break;
+        default:
+           
+            break;
+    }
+    
+}
+
+void app_on_incoming_json(char *json_text, unsigned int size){
+
+}
+DeviceState app_get_device_state(){
+    return deviceState;
+}
 void app_start(){
     app_mcp_init();
 }
\ No newline at end of file
diff --git a/bk_aidk/projects/beken_wss_paopao/main/application.h b/bk_aidk/projects/beken_wss_paopao/main/application.h
index 3a4fd6bb..ad59a4e7 100755
--- a/bk_aidk/projects/beken_wss_paopao/main/application.h
+++ b/bk_aidk/projects/beken_wss_paopao/main/application.h
@@ -21,13 +21,14 @@ typedef struct
     uint32_t sleep_timeout;
 }app_config_t;
 
-enum AecMode {
+
+typedef enum AecMode {
     kAecOff,
     kAecOnDeviceSide,
     kAecOnServerSide,
-};
+}AecMode;
 
-enum DeviceState {
+typedef enum DeviceState {
     kDeviceStateUnknown,
     kDeviceStateStarting,
     kDeviceStateWifiConfiguring,
@@ -39,18 +40,18 @@ enum DeviceState {
     kDeviceStateActivating,
     kDeviceStateAudioTesting,
     kDeviceStateFatalError
-};
+}DeviceState;
 
-enum AbortReason {
+typedef enum AbortReason {
     kAbortReasonNone,
     kAbortReasonWakeWordDetected
-};
+}AbortReason;
 
-enum ListeningMode {
+typedef enum ListeningMode {
     kListeningModeAutoStop,
     kListeningModeManualStop,
     kListeningModeRealtime // 需要 AEC 支持
-};
+}ListeningMode;
 
  
 #include "cJSON.h"
@@ -106,6 +107,8 @@ char* app_get_ota_url();
 
 void app_start();
 
+void app_set_device_state(DeviceState state);
+DeviceState app_get_device_state();
 #ifdef __cplusplus
 }
 #endif
diff --git a/bk_aidk/projects/beken_wss_paopao/main/websocket_rtc_demo.c b/bk_aidk/projects/beken_wss_paopao/main/websocket_rtc_demo.c
index 2c6a8d94..a06e3853 100755
--- a/bk_aidk/projects/beken_wss_paopao/main/websocket_rtc_demo.c
+++ b/bk_aidk/projects/beken_wss_paopao/main/websocket_rtc_demo.c
@@ -580,7 +580,7 @@ void rtc_websocket_msg_handle(char *json_text, unsigned int size)
     {
        cJSON *text = cJSON_GetObjectItem(root, "text");
        if(text != NULL){
-            LOGE(">> %s\n",text->valuestring);
+            LOGE("STT >> %s\n",text->valuestring);
        }
        
     }
@@ -589,8 +589,29 @@ void rtc_websocket_msg_handle(char *json_text, unsigned int size)
        cJSON *state = cJSON_GetObjectItem(root, "state");
        cJSON *text = cJSON_GetObjectItem(root, "text");
        if(state != NULL && text != NULL){
-            LOGE("<< (%s) %s\n",state->valuestring,text->valuestring);
-       }    
+            LOGE("TTS << (%s) %s\n",state->valuestring,text->valuestring);
+       } 
+       if(text == NULL) return;
+       if (strcmp(state->valuestring, "start") == 0) {
+            if (app_get_device_state() == kDeviceStateIdle || app_get_device_state() == kDeviceStateListening) {
+                app_set_device_state(kDeviceStateSpeaking);
+            }
+       }
+       else if (strcmp(state->valuestring, "stop") == 0) {
+            if (app_get_device_state() == kDeviceStateSpeaking) {
+                app_set_device_state(kDeviceStateListening);
+            } 
+       }
+       else if (strcmp(state->valuestring, "sentence_start") == 0) {
+             if (app_get_device_state() == kDeviceStateIdle || app_get_device_state() == kDeviceStateListening) {
+                app_set_device_state(kDeviceStateSpeaking);
+            }
+       }
+       else if (strcmp(state->valuestring, "sentence_end") == 0) {
+            if (app_get_device_state() == kDeviceStateSpeaking) {
+                app_set_device_state(kDeviceStateListening);
+            } 
+       }
     }
 
     #if APPLICATION_IOT_PROTOCOL_MCP
@@ -639,7 +660,7 @@ static void poka_aud_tras_main(void)
                 // LOGE("msg = %02x  %02x len = %d \n",msg.opus_addr[0],msg.opus_addr[1],msg.opus_len);
                 ret = bk_aud_intf_write_spk_data((uint8_t *)msg.opus_addr, msg.opus_len);
 
-                rtos_delay_milliseconds(61);
+                rtos_delay_milliseconds(60);
 
                 //  LOGE("rv opus len: %d \r\n", msg.opus_len);
                 // int32_t decoder_len = opus_decode(dec, msg.opus_addr, msg.opus_len, (int16_t *)pcm_out2, 960, 0);