diff --git a/main/audio_codecs/no_audio_codec.cc b/main/audio_codecs/no_audio_codec.cc
index e4354f3b..434232e2 100644
--- a/main/audio_codecs/no_audio_codec.cc
+++ b/main/audio_codecs/no_audio_codec.cc
@@ -137,7 +137,7 @@ NoAudioCodec::NoAudioCodec(int input_sample_rate, int output_sample_rate, gpio_n
     output_sample_rate_ = output_sample_rate;
 
     // Create a new channel for speaker
-    i2s_chan_config_t tx_chan_cfg = I2S_CHANNEL_DEFAULT_CONFIG(I2S_NUM_1, I2S_ROLE_MASTER);
+    i2s_chan_config_t tx_chan_cfg = I2S_CHANNEL_DEFAULT_CONFIG((i2s_port_t)1, I2S_ROLE_MASTER);
     tx_chan_cfg.dma_desc_num = 6;
     tx_chan_cfg.dma_frame_num = 240;
     tx_chan_cfg.auto_clear_after_cb = true;
@@ -147,7 +147,12 @@ NoAudioCodec::NoAudioCodec(int input_sample_rate, int output_sample_rate, gpio_n
 
 
     i2s_std_config_t tx_std_cfg = {
-        .clk_cfg  = I2S_STD_CLK_DEFAULT_CONFIG((uint32_t)output_sample_rate_),
+        .clk_cfg = {
+            .sample_rate_hz = (uint32_t)output_sample_rate_,
+            .clk_src = I2S_CLK_SRC_DEFAULT,
+            .ext_clk_freq_hz = 0,
+            .mclk_multiple = I2S_MCLK_MULTIPLE_256
+        },
         .slot_cfg = I2S_STD_MSB_SLOT_DEFAULT_CONFIG(I2S_DATA_BIT_WIDTH_32BIT, I2S_SLOT_MODE_MONO),
         .gpio_cfg = {
             .mclk = I2S_GPIO_UNUSED,
@@ -163,9 +168,9 @@ NoAudioCodec::NoAudioCodec(int input_sample_rate, int output_sample_rate, gpio_n
         },
     };
     ESP_ERROR_CHECK(i2s_channel_init_std_mode(tx_handle_, &tx_std_cfg));
-
+#if SOC_I2S_SUPPORTS_PDM_RX
     // Create a new channel for MIC in PDM mode
-    i2s_chan_config_t rx_chan_cfg = I2S_CHANNEL_DEFAULT_CONFIG(I2S_NUM_0, I2S_ROLE_MASTER);
+    i2s_chan_config_t rx_chan_cfg = I2S_CHANNEL_DEFAULT_CONFIG((i2s_port_t)0, I2S_ROLE_MASTER);
     ESP_ERROR_CHECK(i2s_new_channel(&rx_chan_cfg, NULL, &rx_handle_));
     i2s_pdm_rx_config_t pdm_rx_cfg = {
         .clk_cfg = I2S_PDM_RX_CLK_DEFAULT_CONFIG((uint32_t)input_sample_rate_),
@@ -181,6 +186,9 @@ NoAudioCodec::NoAudioCodec(int input_sample_rate, int output_sample_rate, gpio_n
         },
     };
     ESP_ERROR_CHECK(i2s_channel_init_pdm_rx_mode(rx_handle_, &pdm_rx_cfg));
+#else
+    ESP_LOGE(TAG, "PDM is not supported");
+#endif
     ESP_LOGI(TAG, "Simplex channels created");
 }
 
diff --git a/main/boards/esp-box-3/esp_box3_board.cc b/main/boards/esp-box-3/esp_box3_board.cc
index 919ef8fc..c74106f0 100644
--- a/main/boards/esp-box-3/esp_box3_board.cc
+++ b/main/boards/esp-box-3/esp_box3_board.cc
@@ -5,6 +5,7 @@
 #include "button.h"
 #include "led.h"
 #include "config.h"
+#include "iot/thing_manager.h"
 
 #include <esp_log.h>
 #include <driver/i2c_master.h>
@@ -39,10 +40,17 @@ class EspBox3Board : public WifiBoard {
         });
     }
 
+    // 物联网初始化，添加对 AI 可见设备
+    void InitializeIot() {
+        auto& thing_manager = iot::ThingManager::GetInstance();
+        thing_manager.AddThing(iot::CreateThing("Speaker"));
+    }
+
 public:
     EspBox3Board() : boot_button_(BOOT_BUTTON_GPIO) {
         InitializeI2c();
         InitializeButtons();
+        InitializeIot();
     }
 
     virtual Led* GetBuiltinLed() override {
diff --git a/main/boards/kevin-box-1/kevin_box_board.cc b/main/boards/kevin-box-1/kevin_box_board.cc
index d37938ea..86d9a44c 100644
--- a/main/boards/kevin-box-1/kevin_box_board.cc
+++ b/main/boards/kevin-box-1/kevin_box_board.cc
@@ -5,13 +5,14 @@
 #include "button.h"
 #include "led.h"
 #include "config.h"
+#include "iot/thing_manager.h"
 
 #include <esp_log.h>
 #include <esp_spiffs.h>
 #include <driver/gpio.h>
 #include <driver/i2c_master.h>
 
-static const char *TAG = "KevinBoxBoard";
+#define TAG "KevinBoxBoard"
 
 class KevinBoxBoard : public Ml307Board {
 private:
@@ -95,8 +96,7 @@ class KevinBoxBoard : public Ml307Board {
         });
 
         volume_up_button_.OnLongPress([this]() {
-            auto codec = GetAudioCodec();
-            codec->SetOutputVolume(100);
+            GetAudioCodec()->SetOutputVolume(100);
             GetDisplay()->ShowNotification("最大音量");
         });
 
@@ -111,12 +111,17 @@ class KevinBoxBoard : public Ml307Board {
         });
 
         volume_down_button_.OnLongPress([this]() {
-            auto codec = GetAudioCodec();
-            codec->SetOutputVolume(0);
+            GetAudioCodec()->SetOutputVolume(0);
             GetDisplay()->ShowNotification("已静音");
         });
     }
 
+    // 物联网初始化，添加对 AI 可见设备
+    void InitializeIot() {
+        auto& thing_manager = iot::ThingManager::GetInstance();
+        thing_manager.AddThing(iot::CreateThing("Speaker"));
+    }
+
 public:
     KevinBoxBoard() : Ml307Board(ML307_TX_PIN, ML307_RX_PIN, 4096),
         boot_button_(BOOT_BUTTON_GPIO),
@@ -128,6 +133,7 @@ class KevinBoxBoard : public Ml307Board {
         Enable4GModule();
 
         InitializeButtons();
+        InitializeIot();
     }
 
     virtual Led* GetBuiltinLed() override {
diff --git a/main/boards/kevin-box-2/kevin_box_board.cc b/main/boards/kevin-box-2/kevin_box_board.cc
index e5124c83..bddb0bf8 100644
--- a/main/boards/kevin-box-2/kevin_box_board.cc
+++ b/main/boards/kevin-box-2/kevin_box_board.cc
@@ -6,6 +6,7 @@
 #include "led.h"
 #include "config.h"
 #include "axp2101.h"
+#include "iot/thing_manager.h"
 
 #include <esp_log.h>
 #include <esp_spiffs.h>
@@ -13,7 +14,7 @@
 #include <driver/i2c_master.h>
 #include <esp_timer.h>
 
-static const char *TAG = "KevinBoxBoard";
+#define TAG "KevinBoxBoard"
 
 class KevinBoxBoard : public Ml307Board {
 private:
@@ -136,8 +137,7 @@ class KevinBoxBoard : public Ml307Board {
         });
 
         volume_up_button_.OnLongPress([this]() {
-            auto codec = GetAudioCodec();
-            codec->SetOutputVolume(100);
+            GetAudioCodec()->SetOutputVolume(100);
             GetDisplay()->ShowNotification("最大音量");
         });
 
@@ -152,12 +152,17 @@ class KevinBoxBoard : public Ml307Board {
         });
 
         volume_down_button_.OnLongPress([this]() {
-            auto codec = GetAudioCodec();
-            codec->SetOutputVolume(0);
+            GetAudioCodec()->SetOutputVolume(0);
             GetDisplay()->ShowNotification("已静音");
         });
     }
 
+    // 物联网初始化，添加对 AI 可见设备
+    void InitializeIot() {
+        auto& thing_manager = iot::ThingManager::GetInstance();
+        thing_manager.AddThing(iot::CreateThing("Speaker"));
+    }
+
 public:
     KevinBoxBoard() : Ml307Board(ML307_TX_PIN, ML307_RX_PIN, 4096),
         boot_button_(BOOT_BUTTON_GPIO),
@@ -172,6 +177,7 @@ class KevinBoxBoard : public Ml307Board {
 
         InitializeButtons();
         InitializePowerSaveTimer();
+        InitializeIot();
     }
 
     virtual Led* GetBuiltinLed() override {
diff --git a/main/boards/kevin-c3/kevin_box_board.cc b/main/boards/kevin-c3/kevin_box_board.cc
index b0fd4dac..15e21d6e 100644
--- a/main/boards/kevin-c3/kevin_box_board.cc
+++ b/main/boards/kevin-c3/kevin_box_board.cc
@@ -4,6 +4,7 @@
 #include "button.h"
 #include "led.h"
 #include "config.h"
+#include "iot/thing_manager.h"
 
 #include <wifi_station.h>
 #include <esp_log.h>
@@ -48,10 +49,17 @@ class KevinBoxBoard : public WifiBoard {
         });
     }
 
+    // 物联网初始化，添加对 AI 可见设备
+    void InitializeIot() {
+        auto& thing_manager = iot::ThingManager::GetInstance();
+        thing_manager.AddThing(iot::CreateThing("Speaker"));
+    }
+
 public:
     KevinBoxBoard() : boot_button_(BOOT_BUTTON_GPIO) {
         InitializeCodecI2c();
         InitializeButtons();
+        InitializeIot();
     }
 
     virtual Led* GetBuiltinLed() override {
diff --git a/main/boards/lichuang-dev/lichuang_dev_board.cc b/main/boards/lichuang-dev/lichuang_dev_board.cc
index 915567af..e2799039 100644
--- a/main/boards/lichuang-dev/lichuang_dev_board.cc
+++ b/main/boards/lichuang-dev/lichuang_dev_board.cc
@@ -6,6 +6,7 @@
 #include "led.h"
 #include "config.h"
 #include "i2c_device.h"
+#include "iot/thing_manager.h"
 
 #include <esp_log.h>
 #include <esp_lcd_panel_vendor.h>
@@ -119,12 +120,19 @@ class LichuangDevBoard : public WifiBoard {
                                     DISPLAY_WIDTH, DISPLAY_HEIGHT, DISPLAY_OFFSET_X, DISPLAY_OFFSET_Y, DISPLAY_MIRROR_X, DISPLAY_MIRROR_Y, DISPLAY_SWAP_XY);
     }
 
+    // 物联网初始化，添加对 AI 可见设备
+    void InitializeIot() {
+        auto& thing_manager = iot::ThingManager::GetInstance();
+        thing_manager.AddThing(iot::CreateThing("Speaker"));
+    }
+
 public:
     LichuangDevBoard() : boot_button_(BOOT_BUTTON_GPIO) {
         InitializeI2c();
         InitializeSpi();
         InitializeSt7789Display();
         InitializeButtons();
+        InitializeIot();
     }
 
     virtual Led* GetBuiltinLed() override {