diff --git a/main/CMakeLists.txt b/main/CMakeLists.txt
index 3ca15913..507addf1 100644
--- a/main/CMakeLists.txt
+++ b/main/CMakeLists.txt
@@ -61,6 +61,9 @@ list(APPEND SOURCES
     "boards/common/sy6970.cc"
     "boards/common/system_reset.cc"
 )
+if(CONFIG_XIAOZHI_USE_ETHERNET)
+    list(APPEND SOURCES "boards/common/ethernet_board.cc")
+endif()
 list(APPEND INCLUDE_DIRS ${CMAKE_CURRENT_SOURCE_DIR}/boards/common)
 
 
@@ -505,7 +508,7 @@ elseif(CONFIG_BOARD_TYPE_WAVESHARE_ESP32_S3_TOUCH_AMOLED_1_32)
     set(BUILTIN_TEXT_FONT font_puhui_basic_20_4)
     set(BUILTIN_ICON_FONT font_awesome_20_4)
     set(DEFAULT_EMOJI_COLLECTION twemoji_32)
-elseif(CONFIG_BOARD_TYPE_WAVESHARE_ESP32_P4_NANO)
+elseif(CONFIG_BOARD_TYPE_WAVESHARE_ESP32_P4_NANO OR CONFIG_ETH_BOARD_TYPE_WAVESHARE_ESP32_P4_NANO)
     set(MANUFACTURER "waveshare")
     set(BOARD_TYPE "esp32-p4-nano")
     set(BUILTIN_TEXT_FONT font_puhui_basic_30_4)
@@ -1031,6 +1034,7 @@ idf_component_register(SRCS ${SOURCES}
                         esp_pm
                         esp_psram
                         esp_netif
+                        esp_eth
                         esp_driver_gpio
                         esp_driver_uart
                         esp_driver_spi
diff --git a/main/Kconfig.projbuild b/main/Kconfig.projbuild
index 1eafba8a..78ed5ab2 100644
--- a/main/Kconfig.projbuild
+++ b/main/Kconfig.projbuild
@@ -117,11 +117,39 @@ choice
         bool "Serbian"
 endchoice
 
+choice XIAOZHI_NETWORK_TYPE
+    prompt "Network Type"
+    default XIAOZHI_NETWORK_WIFI
+    help
+        Select the network connection type before choosing the board type.
+        Board Type options are filtered according to this choice.
+
+    config XIAOZHI_NETWORK_WIFI
+        bool "WiFi"
+
+    config XIAOZHI_NETWORK_ETHERNET
+        bool "Ethernet"
+        depends on IDF_TARGET_ESP32P4
+        select ETH_ENABLED
+        select ETH_USE_ESP32_EMAC
+        help
+            Use an onboard Ethernet port for network access.
+            Currently supported board:
+              - Waveshare ESP32-P4-NANO
+endchoice
+
+config XIAOZHI_USE_ETHERNET
+    bool
+    default y if XIAOZHI_NETWORK_ETHERNET
+    default n
+
 choice BOARD_TYPE
     prompt "Board Type"
+    depends on XIAOZHI_NETWORK_WIFI
     default BOARD_TYPE_BREAD_COMPACT_WIFI
     help
         Board type. 开发板类型
+
     config BOARD_TYPE_BREAD_COMPACT_WIFI
         bool "Bread Compact WiFi (面包板)"
         depends on IDF_TARGET_ESP32S3
@@ -577,6 +605,65 @@ choice BOARD_TYPE
         depends on IDF_TARGET_ESP32S3
 endchoice
 
+choice XIAOZHI_ETH_BOARD_TYPE
+    prompt "Board Type"
+    depends on XIAOZHI_NETWORK_ETHERNET
+    default ETH_BOARD_TYPE_WAVESHARE_ESP32_P4_NANO
+    help
+        Board type with onboard Ethernet support.
+
+    config ETH_BOARD_TYPE_WAVESHARE_ESP32_P4_NANO
+        bool "Waveshare ESP32-P4-NANO"
+        depends on IDF_TARGET_ESP32P4
+endchoice
+
+menu "Ethernet Configuration"
+    depends on XIAOZHI_NETWORK_ETHERNET
+
+    choice XIAOZHI_ETH_PHY_MODEL
+        prompt "Ethernet PHY Device"
+        default XIAOZHI_ETH_PHY_IP101
+
+        config XIAOZHI_ETH_PHY_IP101
+            bool "IP101/IP101GR"
+            help
+                IP101/IP101GR 10/100M Ethernet PHY, used by Waveshare ESP32-P4-NANO.
+    endchoice
+
+    config XIAOZHI_ETH_MDC_GPIO
+        int "Ethernet SMI MDC GPIO"
+        range 0 54
+        default 31 if ETH_BOARD_TYPE_WAVESHARE_ESP32_P4_NANO
+        default 31
+        help
+            GPIO used by the Ethernet SMI MDC signal.
+
+    config XIAOZHI_ETH_MDIO_GPIO
+        int "Ethernet SMI MDIO GPIO"
+        range 0 54
+        default 52 if ETH_BOARD_TYPE_WAVESHARE_ESP32_P4_NANO
+        default 52
+        help
+            GPIO used by the Ethernet SMI MDIO signal.
+
+    config XIAOZHI_ETH_PHY_ADDR
+        int "Ethernet PHY Address"
+        range -1 31
+        default 1
+        help
+            Set the PHY address according to the board schematic.
+            Use -1 to let the driver search for the PHY address.
+
+    config XIAOZHI_ETH_PHY_RST_GPIO
+        int "Ethernet PHY Reset GPIO"
+        range -1 54
+        default 51 if ETH_BOARD_TYPE_WAVESHARE_ESP32_P4_NANO
+        default -1
+        help
+            GPIO used to reset the Ethernet PHY. Set to -1 if not connected.
+
+endmenu
+
 choice
     depends on BOARD_TYPE_LILYGO_T_DISPLAY_P4
     prompt "Select the screen type"
diff --git a/main/boards/common/ethernet_board.cc b/main/boards/common/ethernet_board.cc
new file mode 100644
index 00000000..6427e196
--- /dev/null
+++ b/main/boards/common/ethernet_board.cc
@@ -0,0 +1,302 @@
+#include "ethernet_board.h"
+
+#include "audio_codec.h"
+#include "display.h"
+#include "sdkconfig.h"
+
+#include <cJSON.h>
+#include <driver/gpio.h>
+#include <esp_eth.h>
+#include <esp_event.h>
+#include <esp_log.h>
+#include <esp_mac.h>
+#include <esp_network.h>
+#include <esp_netif.h>
+#include <font_awesome.h>
+#include <freertos/FreeRTOS.h>
+#include <freertos/task.h>
+#include <soc/soc_caps.h>
+
+#include <utility>
+
+static const char* TAG = "EthernetBoard";
+
+static esp_eth_phy_t* CreatePhy(const eth_phy_config_t& phy_config) {
+#if CONFIG_XIAOZHI_ETH_PHY_IP101
+    return esp_eth_phy_new_ip101(&phy_config);
+#else
+    return nullptr;
+#endif
+}
+
+static eth_esp32_emac_config_t CreateEmacConfig() {
+    eth_esp32_emac_config_t config = {};
+    config.smi_gpio.mdc_num = CONFIG_XIAOZHI_ETH_MDC_GPIO;
+    config.smi_gpio.mdio_num = CONFIG_XIAOZHI_ETH_MDIO_GPIO;
+    config.interface = EMAC_DATA_INTERFACE_RMII;
+    config.clock_config.rmii.clock_mode = EMAC_CLK_EXT_IN;
+    config.clock_config.rmii.clock_gpio = static_cast<emac_rmii_clock_gpio_t>(50);
+    config.dma_burst_len = ETH_DMA_BURST_LEN_32;
+    config.intr_priority = 0;
+#if SOC_EMAC_USE_MULTI_IO_MUX || SOC_EMAC_MII_USE_GPIO_MATRIX
+    config.emac_dataif_gpio.rmii.tx_en_num = 49;
+    config.emac_dataif_gpio.rmii.txd0_num = 34;
+    config.emac_dataif_gpio.rmii.txd1_num = 35;
+    config.emac_dataif_gpio.rmii.crs_dv_num = 28;
+    config.emac_dataif_gpio.rmii.rxd0_num = 29;
+    config.emac_dataif_gpio.rmii.rxd1_num = 30;
+#endif
+#if !SOC_EMAC_RMII_CLK_OUT_INTERNAL_LOOPBACK
+    config.clock_config_out_in.rmii.clock_mode = EMAC_CLK_EXT_IN;
+    config.clock_config_out_in.rmii.clock_gpio = static_cast<emac_rmii_clock_gpio_t>(-1);
+#endif
+    config.mdc_freq_hz = 0;
+    return config;
+}
+
+std::string EthernetBoard::GetBoardType() {
+    return "ethernet";
+}
+
+void EthernetBoard::SetNetworkEventCallback(NetworkEventCallback callback) {
+    network_event_callback_ = std::move(callback);
+}
+
+void EthernetBoard::StartNetwork() {
+    xTaskCreate(NetworkTaskEntry, "eth_net", 4096, this, 5, nullptr);
+}
+
+void EthernetBoard::NetworkTaskEntry(void* arg) {
+    auto* board = static_cast<EthernetBoard*>(arg);
+    board->NetworkTask();
+    vTaskDelete(nullptr);
+}
+
+void EthernetBoard::NetworkTask() {
+    OnNetworkEvent(NetworkEvent::Connecting, "Ethernet");
+
+    esp_err_t ret = esp_netif_init();
+    if (ret != ESP_OK && ret != ESP_ERR_INVALID_STATE) {
+        ESP_LOGE(TAG, "Failed to initialize esp-netif: %s", esp_err_to_name(ret));
+        OnNetworkEvent(NetworkEvent::Disconnected);
+        return;
+    }
+
+    ret = esp_event_loop_create_default();
+    if (ret != ESP_OK && ret != ESP_ERR_INVALID_STATE) {
+        ESP_LOGE(TAG, "Failed to create default event loop: %s", esp_err_to_name(ret));
+        OnNetworkEvent(NetworkEvent::Disconnected);
+        return;
+    }
+
+    esp_netif_config_t netif_config = ESP_NETIF_DEFAULT_ETH();
+    eth_netif_ = esp_netif_new(&netif_config);
+    if (eth_netif_ == nullptr) {
+        ESP_LOGE(TAG, "Failed to create Ethernet netif");
+        OnNetworkEvent(NetworkEvent::Disconnected);
+        return;
+    }
+
+    eth_mac_config_t mac_config = ETH_MAC_DEFAULT_CONFIG();
+    eth_phy_config_t phy_config = ETH_PHY_DEFAULT_CONFIG();
+    phy_config.phy_addr = CONFIG_XIAOZHI_ETH_PHY_ADDR;
+    phy_config.reset_gpio_num = CONFIG_XIAOZHI_ETH_PHY_RST_GPIO;
+
+    eth_esp32_emac_config_t emac_config = CreateEmacConfig();
+    esp_eth_mac_t* mac = esp_eth_mac_new_esp32(&emac_config, &mac_config);
+    if (mac == nullptr) {
+        ESP_LOGE(TAG, "Failed to create Ethernet MAC");
+        OnNetworkEvent(NetworkEvent::Disconnected);
+        return;
+    }
+
+    esp_eth_phy_t* phy = CreatePhy(phy_config);
+    if (phy == nullptr) {
+        ESP_LOGE(TAG, "Failed to create Ethernet PHY");
+        mac->del(mac);
+        OnNetworkEvent(NetworkEvent::Disconnected);
+        return;
+    }
+
+    esp_eth_config_t eth_config = ETH_DEFAULT_CONFIG(mac, phy);
+    ret = esp_eth_driver_install(&eth_config, &eth_handle_);
+    if (ret != ESP_OK) {
+        ESP_LOGE(TAG, "Failed to install Ethernet driver: %s", esp_err_to_name(ret));
+        mac->del(mac);
+        phy->del(phy);
+        OnNetworkEvent(NetworkEvent::Disconnected);
+        return;
+    }
+
+    eth_glue_ = esp_eth_new_netif_glue(eth_handle_);
+    if (eth_glue_ == nullptr) {
+        ESP_LOGE(TAG, "Failed to create Ethernet netif glue");
+        esp_eth_driver_uninstall(eth_handle_);
+        eth_handle_ = nullptr;
+        mac->del(mac);
+        phy->del(phy);
+        OnNetworkEvent(NetworkEvent::Disconnected);
+        return;
+    }
+
+    ESP_ERROR_CHECK(esp_netif_attach(eth_netif_, eth_glue_));
+    ESP_ERROR_CHECK(esp_event_handler_register(ETH_EVENT, ESP_EVENT_ANY_ID, EthEventHandler, this));
+    ESP_ERROR_CHECK(esp_event_handler_register(IP_EVENT, IP_EVENT_ETH_GOT_IP, GotIpEventHandler, this));
+
+    ret = esp_eth_start(eth_handle_);
+    if (ret != ESP_OK) {
+        ESP_LOGE(TAG, "Failed to start Ethernet: %s", esp_err_to_name(ret));
+        OnNetworkEvent(NetworkEvent::Disconnected);
+    }
+}
+
+void EthernetBoard::EthEventHandler(void* arg, const char* event_base, int32_t event_id, void* event_data) {
+    auto* board = static_cast<EthernetBoard*>(arg);
+    uint8_t mac_addr[6] = {0};
+    esp_eth_handle_t eth_handle = *(esp_eth_handle_t*)event_data;
+
+    switch (event_id) {
+        case ETHERNET_EVENT_CONNECTED:
+            esp_eth_ioctl(eth_handle, ETH_CMD_G_MAC_ADDR, mac_addr);
+            ESP_LOGI(TAG, "Ethernet link up, MAC %02x:%02x:%02x:%02x:%02x:%02x",
+                     mac_addr[0], mac_addr[1], mac_addr[2], mac_addr[3], mac_addr[4], mac_addr[5]);
+            break;
+        case ETHERNET_EVENT_DISCONNECTED:
+            ESP_LOGW(TAG, "Ethernet link down");
+            board->connected_ = false;
+            board->ip_address_.clear();
+            board->OnNetworkEvent(NetworkEvent::Disconnected);
+            break;
+        case ETHERNET_EVENT_START:
+            ESP_LOGI(TAG, "Ethernet started");
+            break;
+        case ETHERNET_EVENT_STOP:
+            ESP_LOGI(TAG, "Ethernet stopped");
+            board->connected_ = false;
+            board->ip_address_.clear();
+            board->OnNetworkEvent(NetworkEvent::Disconnected);
+            break;
+        default:
+            break;
+    }
+}
+
+void EthernetBoard::GotIpEventHandler(void* arg, const char* event_base, int32_t event_id, void* event_data) {
+    auto* board = static_cast<EthernetBoard*>(arg);
+    auto* event = static_cast<ip_event_got_ip_t*>(event_data);
+    const esp_netif_ip_info_t* ip_info = &event->ip_info;
+
+    char ip[16] = {0};
+    snprintf(ip, sizeof(ip), IPSTR, IP2STR(&ip_info->ip));
+    board->connected_ = true;
+    board->ip_address_ = ip;
+
+    ESP_LOGI(TAG, "Ethernet got IP: %s", ip);
+    board->OnNetworkEvent(NetworkEvent::Connected, "Ethernet");
+}
+
+void EthernetBoard::OnNetworkEvent(NetworkEvent event, const std::string& data) {
+    switch (event) {
+        case NetworkEvent::Connecting:
+            ESP_LOGI(TAG, "Ethernet connecting");
+            break;
+        case NetworkEvent::Connected:
+            ESP_LOGI(TAG, "Ethernet connected");
+            break;
+        case NetworkEvent::Disconnected:
+            ESP_LOGW(TAG, "Ethernet disconnected");
+            break;
+        default:
+            break;
+    }
+
+    if (network_event_callback_) {
+        network_event_callback_(event, data);
+    }
+}
+
+NetworkInterface* EthernetBoard::GetNetwork() {
+    static EspNetwork network;
+    return &network;
+}
+
+const char* EthernetBoard::GetNetworkStateIcon() {
+    return connected_ ? FONT_AWESOME_SIGNAL_STRONG : FONT_AWESOME_SIGNAL_OFF;
+}
+
+std::string EthernetBoard::GetEthernetMacAddress() {
+    uint8_t mac[6] = {0};
+    esp_read_mac(mac, ESP_MAC_ETH);
+    char mac_str[18];
+    snprintf(mac_str, sizeof(mac_str), "%02x:%02x:%02x:%02x:%02x:%02x",
+             mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);
+    return std::string(mac_str);
+}
+
+std::string EthernetBoard::GetBoardJson() {
+    std::string json = R"({"type":")" + std::string(BOARD_TYPE) + R"(",)";
+    json += R"("name":")" + std::string(BOARD_NAME) + R"(",)";
+    json += R"("network":"ethernet",)";
+    if (!ip_address_.empty()) {
+        json += R"("ip":")" + ip_address_ + R"(",)";
+    }
+    json += R"("mac":")" + GetEthernetMacAddress() + R"("})";
+    return json;
+}
+
+void EthernetBoard::SetPowerSaveLevel(PowerSaveLevel level) {
+    (void)level;
+}
+
+std::string EthernetBoard::GetDeviceStatusJson() {
+    auto& board = Board::GetInstance();
+    auto root = cJSON_CreateObject();
+
+    auto audio_speaker = cJSON_CreateObject();
+    if (auto codec = board.GetAudioCodec()) {
+        cJSON_AddNumberToObject(audio_speaker, "volume", codec->output_volume());
+    }
+    cJSON_AddItemToObject(root, "audio_speaker", audio_speaker);
+
+    auto screen = cJSON_CreateObject();
+    if (auto backlight = board.GetBacklight()) {
+        cJSON_AddNumberToObject(screen, "brightness", backlight->brightness());
+    }
+    if (auto display = board.GetDisplay(); display && display->height() > 64) {
+        if (auto theme = display->GetTheme()) {
+            cJSON_AddStringToObject(screen, "theme", theme->name().c_str());
+        }
+    }
+    cJSON_AddItemToObject(root, "screen", screen);
+
+    int level = 0;
+    bool charging = false;
+    bool discharging = false;
+    if (board.GetBatteryLevel(level, charging, discharging)) {
+        auto battery = cJSON_CreateObject();
+        cJSON_AddNumberToObject(battery, "level", level);
+        cJSON_AddBoolToObject(battery, "charging", charging);
+        cJSON_AddItemToObject(root, "battery", battery);
+    }
+
+    auto network = cJSON_CreateObject();
+    cJSON_AddStringToObject(network, "type", "ethernet");
+    cJSON_AddStringToObject(network, "state", connected_ ? "connected" : "disconnected");
+    if (!ip_address_.empty()) {
+        cJSON_AddStringToObject(network, "ip", ip_address_.c_str());
+    }
+    cJSON_AddItemToObject(root, "network", network);
+
+    float temp = 0.0f;
+    if (board.GetTemperature(temp)) {
+        auto chip = cJSON_CreateObject();
+        cJSON_AddNumberToObject(chip, "temperature", temp);
+        cJSON_AddItemToObject(root, "chip", chip);
+    }
+
+    auto str = cJSON_PrintUnformatted(root);
+    std::string result(str);
+    cJSON_free(str);
+    cJSON_Delete(root);
+    return result;
+}
diff --git a/main/boards/common/ethernet_board.h b/main/boards/common/ethernet_board.h
new file mode 100644
index 00000000..d2e480cf
--- /dev/null
+++ b/main/boards/common/ethernet_board.h
@@ -0,0 +1,41 @@
+#ifndef ETHERNET_BOARD_H
+#define ETHERNET_BOARD_H
+
+#include "board.h"
+
+#include <cstdint>
+
+class EthernetBoard : public Board {
+protected:
+    void* eth_handle_ = nullptr;
+    void* eth_glue_ = nullptr;
+    struct esp_netif_obj* eth_netif_ = nullptr;
+    NetworkEventCallback network_event_callback_ = nullptr;
+    bool connected_ = false;
+    std::string ip_address_;
+
+    virtual void OnNetworkEvent(NetworkEvent event, const std::string& data = "");
+    virtual std::string GetEthernetMacAddress();
+    virtual std::string GetBoardJson() override;
+
+private:
+    static void NetworkTaskEntry(void* arg);
+    static void EthEventHandler(void* arg, const char* event_base, int32_t event_id, void* event_data);
+    static void GotIpEventHandler(void* arg, const char* event_base, int32_t event_id, void* event_data);
+    void NetworkTask();
+
+public:
+    EthernetBoard() = default;
+    virtual ~EthernetBoard() = default;
+
+    virtual std::string GetBoardType() override;
+    virtual void StartNetwork() override;
+    virtual NetworkInterface* GetNetwork() override;
+    virtual void SetNetworkEventCallback(NetworkEventCallback callback) override;
+    virtual const char* GetNetworkStateIcon() override;
+    virtual void SetPowerSaveLevel(PowerSaveLevel level) override;
+    virtual AudioCodec* GetAudioCodec() override { return nullptr; }
+    virtual std::string GetDeviceStatusJson() override;
+};
+
+#endif // ETHERNET_BOARD_H
diff --git a/main/boards/waveshare/esp32-p4-nano/esp32-p4-nano.cc b/main/boards/waveshare/esp32-p4-nano/esp32-p4-nano.cc
index 7fe1f0dc..58d46335 100644
--- a/main/boards/waveshare/esp32-p4-nano/esp32-p4-nano.cc
+++ b/main/boards/waveshare/esp32-p4-nano/esp32-p4-nano.cc
@@ -1,4 +1,10 @@
+#include "sdkconfig.h"
+
+#if CONFIG_XIAOZHI_USE_ETHERNET
+#include "ethernet_board.h"
+#else
 #include "wifi_board.h"
+#endif
 #include "codecs/es8311_audio_codec.h"
 #include "application.h"
 #include "display/lcd_display.h"
@@ -24,6 +30,12 @@
 #include "esp_lcd_touch_gt911.h"
 #define TAG "WaveshareEsp32p4nano"
 
+#if CONFIG_XIAOZHI_USE_ETHERNET
+using WaveshareEsp32p4nanoBase = EthernetBoard;
+#else
+using WaveshareEsp32p4nanoBase = WifiBoard;
+#endif
+
 class CustomBacklight : public Backlight {
 public:
     CustomBacklight(i2c_master_bus_handle_t i2c_handle)
@@ -61,7 +73,7 @@ protected:
     }
 };
 
-class WaveshareEsp32p4nano : public WifiBoard {
+class WaveshareEsp32p4nano : public WaveshareEsp32p4nanoBase {
 private:
     i2c_master_bus_handle_t codec_i2c_bus_;
     Button boot_button_;
@@ -241,12 +253,18 @@ private:
     void InitializeButtons() {
         boot_button_.OnClick([this]() {
             auto& app = Application::GetInstance();
+#if CONFIG_XIAOZHI_USE_ETHERNET
+            if (app.GetDeviceState() != kDeviceStateStarting) {
+                app.ToggleChatState();
+            }
+#else
             // During startup (before connected), pressing BOOT button enters Wi-Fi config mode without reboot
             if (app.GetDeviceState() == kDeviceStateStarting) {
                 EnterWifiConfigMode();
                 return;
             }
             app.ToggleChatState();
+#endif
         });
     }
 
diff --git a/main/display/lvgl_display/jpg/image_to_jpeg.cpp b/main/display/lvgl_display/jpg/image_to_jpeg.cpp
index 485ca8ba..5df12a2b 100644
--- a/main/display/lvgl_display/jpg/image_to_jpeg.cpp
+++ b/main/display/lvgl_display/jpg/image_to_jpeg.cpp
@@ -144,7 +144,7 @@ static uint8_t* convert_input_to_encoder_buf(const uint8_t* src, uint16_t width,
                 break;
             [[unlikely]] default:
                 ESP_LOGE(TAG, "[Unreachable Case] unsupported format: 0x%08lx", format);
-                std::unreachable();
+                return nullptr;
         }
         int sz = (int)width * (int)height * 2;
         uint8_t* buf = (uint8_t*)jpeg_calloc_align(sz, 16);
diff --git a/main/system_info.cc b/main/system_info.cc
index 3c011d10..cc589a9c 100644
--- a/main/system_info.cc
+++ b/main/system_info.cc
@@ -9,7 +9,7 @@
 #include <esp_app_desc.h>
 #include <esp_ota_ops.h>
 #include <esp_pm.h>
-#if CONFIG_IDF_TARGET_ESP32P4
+#if CONFIG_IDF_TARGET_ESP32P4 && !CONFIG_XIAOZHI_USE_ETHERNET
 #include "esp_wifi_remote.h"
 #endif
 
@@ -34,7 +34,9 @@ size_t SystemInfo::GetFreeHeapSize() {
 
 std::string SystemInfo::GetMacAddress() {
     uint8_t mac[6];
-#if CONFIG_IDF_TARGET_ESP32P4
+#if CONFIG_XIAOZHI_USE_ETHERNET
+    esp_read_mac(mac, ESP_MAC_ETH);
+#elif CONFIG_IDF_TARGET_ESP32P4
     esp_wifi_get_mac(WIFI_IF_STA, mac);
 #else
     esp_read_mac(mac, ESP_MAC_WIFI_STA);