diff --git a/firmware/CMakeLists.txt b/firmware/CMakeLists.txt
index 2d397bc..74a2ef4 100644
--- a/firmware/CMakeLists.txt
+++ b/firmware/CMakeLists.txt
@@ -2,7 +2,7 @@
 # CMakeLists in this exact order for cmake to work correctly
 cmake_minimum_required(VERSION 3.16)
 
-set(PROJECT_VER "1.2.6")
+set(PROJECT_VER "1.3.0")
 add_definitions(-DFIRMWARE_VERSION=\"${PROJECT_VER}\")
 
 # Add this line to disable the specific warning
diff --git a/firmware/main/apps/app_setup/app_setup.cpp b/firmware/main/apps/app_setup/app_setup.cpp
index a50a917..2b4d98d 100644
--- a/firmware/main/apps/app_setup/app_setup.cpp
+++ b/firmware/main/apps/app_setup/app_setup.cpp
@@ -70,6 +70,15 @@ void AppSetup::onOpen()
                   _worker       = std::make_unique<TimezoneWorker>();
               }}},
         },
+        {
+            "AI.Agent",
+            {{"Power Saving",
+              [&]() {
+                  _destroy_menu    = true;
+                  _need_warm_reset = true;
+                  _worker          = std::make_unique<XiaozhiPowerSavingWorker>();
+              }}},
+        },
         {
             "Hardware Test",
             {{"Servo",
diff --git a/firmware/main/apps/app_setup/workers/account.cpp b/firmware/main/apps/app_setup/workers/account.cpp
index fc81885..87d3dc6 100644
--- a/firmware/main/apps/app_setup/workers/account.cpp
+++ b/firmware/main/apps/app_setup/workers/account.cpp
@@ -120,8 +120,7 @@ void AccountWorker::update()
             mclog::tagInfo(_tag, "unbind clicked");
             _page_account.reset();
 
-            // Unbind account
-            {
+            _worker_reset = std::make_unique<FactoryResetWorker>([]() {
                 auto loading_page = std::make_unique<view::LoadingPage>(0xF6F6F6, 0x26206A);
                 GetHAL().lvglUnlock();
 
@@ -135,10 +134,7 @@ void AccountWorker::update()
                 }
 
                 GetHAL().lvglLock();
-            }
-
-            // Factory reset
-            _worker_reset = std::make_unique<FactoryResetWorker>();
+            });
         } else if (_page_account->isQuitClicked()) {
             mclog::tagInfo(_tag, "quit clicked");
             _is_done = true;
diff --git a/firmware/main/apps/app_setup/workers/ai_agent.cpp b/firmware/main/apps/app_setup/workers/ai_agent.cpp
new file mode 100644
index 0000000..abd4771
--- /dev/null
+++ b/firmware/main/apps/app_setup/workers/ai_agent.cpp
@@ -0,0 +1,141 @@
+/*
+ * SPDX-FileCopyrightText: 2026 M5Stack Technology CO LTD
+ *
+ * SPDX-License-Identifier: MIT
+ */
+#include "workers.h"
+#include <mooncake_log.h>
+#include <hal/hal.h>
+#include <vector>
+
+using namespace smooth_ui_toolkit::lvgl_cpp;
+using namespace setup_workers;
+
+static std::string _tag = "Setup-AIAgent";
+
+XiaozhiPowerSavingWorker::XiaozhiPowerSavingWorker()
+{
+    mclog::info("XiaozhiPowerSavingWorker start");
+
+    for (uint32_t seconds = 0; seconds <= 3600; seconds += 300) {
+        _idle_shutdown_levels.push_back(seconds);
+    }
+
+    _config = GetHAL().getXiaozhiConfig();
+
+    int current_index = static_cast<int>(_idle_shutdown_levels.size()) - 1;
+    for (size_t i = 0; i < _idle_shutdown_levels.size(); ++i) {
+        if (_idle_shutdown_levels[i] >= _config.idleShutdownTimeSeconds) {
+            current_index = static_cast<int>(i);
+            break;
+        }
+    }
+
+    _panel = std::make_unique<Container>(lv_screen_active());
+    _panel->setBgColor(lv_color_hex(0xEDF4FF));
+    _panel->align(LV_ALIGN_CENTER, 0, 0);
+    _panel->setBorderWidth(0);
+    _panel->setSize(320, 240);
+    _panel->setRadius(0);
+    _panel->setPadding(0, 50, 24, 18);
+    _panel->setScrollDir(LV_DIR_VER);
+    _panel->setScrollbarMode(LV_SCROLLBAR_MODE_ACTIVE);
+
+    _panel_idle_shutdown = std::make_unique<Container>(_panel->get());
+    _panel_idle_shutdown->setSize(296, 148);
+    _panel_idle_shutdown->align(LV_ALIGN_TOP_MID, 0, 20);
+    _panel_idle_shutdown->setBgColor(lv_color_hex(0xD2E3FF));
+    _panel_idle_shutdown->setBorderWidth(0);
+    _panel_idle_shutdown->setRadius(18);
+    _panel_idle_shutdown->setPadding(0, 0, 0, 0);
+    _panel_idle_shutdown->removeFlag(LV_OBJ_FLAG_SCROLLABLE);
+
+    _label_idle_title = std::make_unique<Label>(_panel_idle_shutdown->get());
+    _label_idle_title->setText("Automatically power off after being idle for:");
+    _label_idle_title->setWidth(280);
+    _label_idle_title->setTextAlign(LV_TEXT_ALIGN_CENTER);
+    _label_idle_title->setTextFont(&lv_font_montserrat_16);
+    _label_idle_title->setTextColor(lv_color_hex(0x26206A));
+    _label_idle_title->align(LV_ALIGN_TOP_MID, 0, 18);
+
+    _label_idle_value = std::make_unique<Label>(_panel_idle_shutdown->get());
+    _label_idle_value->setTextFont(&lv_font_montserrat_24);
+    _label_idle_value->setTextColor(lv_color_hex(0x26206A));
+    _label_idle_value->align(LV_ALIGN_TOP_MID, 0, 64);
+
+    _slider_idle_shutdown = std::make_unique<Slider>(_panel_idle_shutdown->get());
+    _slider_idle_shutdown->align(LV_ALIGN_TOP_MID, 0, 106);
+    _slider_idle_shutdown->setRange(0, _idle_shutdown_levels.size() - 1);
+    _slider_idle_shutdown->setSize(250, 18);
+    _slider_idle_shutdown->setBgColor(lv_color_hex(0x615B9E), LV_PART_KNOB);
+    _slider_idle_shutdown->setBgColor(lv_color_hex(0x615B9E), LV_PART_INDICATOR);
+    _slider_idle_shutdown->setBgColor(lv_color_hex(0xB8D3FD), LV_PART_MAIN);
+    _slider_idle_shutdown->setBgOpa(255);
+    _slider_idle_shutdown->setValue(current_index);
+    _slider_idle_shutdown->onValueChanged().connect([this](int32_t value) { _pending_idle_index = value; });
+
+    _panel_charging = std::make_unique<Container>(_panel->get());
+    _panel_charging->setSize(296, 120);
+    _panel_charging->align(LV_ALIGN_TOP_MID, 0, 188);
+    _panel_charging->setBgColor(lv_color_hex(0xD2E3FF));
+    _panel_charging->setBorderWidth(0);
+    _panel_charging->setRadius(18);
+    _panel_charging->setPadding(0, 0, 0, 0);
+    _panel_charging->removeFlag(LV_OBJ_FLAG_SCROLLABLE);
+
+    _label_charging_title = std::make_unique<Label>(_panel_charging->get());
+    _label_charging_title->setText("Allow auto power off while charging:");
+    _label_charging_title->setTextFont(&lv_font_montserrat_16);
+    _label_charging_title->setTextColor(lv_color_hex(0x26206A));
+    _label_charging_title->setWidth(260);
+    _label_charging_title->setTextAlign(LV_TEXT_ALIGN_CENTER);
+    _label_charging_title->align(LV_ALIGN_TOP_MID, 0, 18);
+
+    _switch_charging = std::make_unique<Switch>(_panel_charging->get());
+    _switch_charging->setSize(64, 36);
+    _switch_charging->align(LV_ALIGN_TOP_MID, 0, 66);
+    _switch_charging->setBgColor(lv_color_hex(0xB8D3FD), LV_PART_MAIN);
+    _switch_charging->setBgColor(lv_color_hex(0x615B9E), LV_PART_INDICATOR | LV_STATE_CHECKED);
+    _switch_charging->setBgColor(lv_color_hex(0xFFFFFF), LV_PART_KNOB);
+    if (_config.allowShutdownWhenCharging) {
+        _switch_charging->addState(LV_STATE_CHECKED);
+    }
+
+    _btn_confirm = std::make_unique<Button>(_panel->get());
+    apply_button_common_style(*_btn_confirm);
+    _btn_confirm->align(LV_ALIGN_TOP_MID, 0, 326);
+    _btn_confirm->setSize(290, 50);
+    _btn_confirm->label().setText("Confirm");
+    _btn_confirm->onClick().connect([this]() { _confirm_flag = true; });
+
+    update_idle_label();
+}
+
+void XiaozhiPowerSavingWorker::update()
+{
+    if (_pending_idle_index != -1) {
+        _config.idleShutdownTimeSeconds = _idle_shutdown_levels[_pending_idle_index];
+        _pending_idle_index             = -1;
+        update_idle_label();
+    }
+
+    if (_confirm_flag) {
+        _confirm_flag                     = false;
+        _config.allowShutdownWhenCharging = _switch_charging->getValue();
+        GetHAL().setXiaozhiConfig(_config);
+        mclog::tagInfo(_tag, "xiaozhi config updated: idleShutdownTimeSeconds={}, allowShutdownWhenCharging={}",
+                       _config.idleShutdownTimeSeconds, _config.allowShutdownWhenCharging);
+        _is_done = true;
+    }
+}
+
+void XiaozhiPowerSavingWorker::update_idle_label()
+{
+    if (_config.idleShutdownTimeSeconds == 0) {
+        _label_idle_value->setText("Off");
+        return;
+    }
+
+    auto total_minutes = _config.idleShutdownTimeSeconds / 60;
+    _label_idle_value->setText(fmt::format("{} min", total_minutes));
+}
diff --git a/firmware/main/apps/app_setup/workers/system.cpp b/firmware/main/apps/app_setup/workers/system.cpp
index 1b63e6b..11ac00d 100644
--- a/firmware/main/apps/app_setup/workers/system.cpp
+++ b/firmware/main/apps/app_setup/workers/system.cpp
@@ -190,8 +190,10 @@ void TimezoneWorker::update()
     }
 }
 
-FactoryResetWorker::FactoryResetWorker()
+FactoryResetWorker::FactoryResetWorker(std::function<void()> beforeResetAction)
 {
+    _before_reset_action = std::move(beforeResetAction);
+
     _panel = std::make_unique<uitk::lvgl_cpp::Container>(lv_screen_active());
     _panel->setPadding(0, 0, 0, 0);
     _panel->setBgColor(lv_color_hex(0xEDF4FF));
@@ -261,6 +263,10 @@ void FactoryResetWorker::update()
             _label_info->setText("Factory Resetting...\nDo not turn off power.");
             _label_info->align(LV_ALIGN_CENTER, 0, 0);
 
+            if (_before_reset_action) {
+                _before_reset_action();
+            }
+
             GetHAL().lvglUnlock();
             GetHAL().delay(200);
             GetHAL().factoryReset();
diff --git a/firmware/main/apps/app_setup/workers/workers.h b/firmware/main/apps/app_setup/workers/workers.h
index 96a4075..b89220e 100644
--- a/firmware/main/apps/app_setup/workers/workers.h
+++ b/firmware/main/apps/app_setup/workers/workers.h
@@ -9,6 +9,7 @@
 #include <uitk/short_namespace.hpp>
 #include <hal/hal.h>
 #include <cstdint>
+#include <functional>
 #include <memory>
 #include <string_view>
 
@@ -262,6 +263,34 @@ private:
     int32_t _target_volume = -1;
 };
 
+/**
+ * @brief
+ *
+ */
+class XiaozhiPowerSavingWorker : public WorkerBase {
+public:
+    XiaozhiPowerSavingWorker();
+    void update() override;
+
+private:
+    void update_idle_label();
+
+    std::unique_ptr<uitk::lvgl_cpp::Container> _panel;
+    std::unique_ptr<uitk::lvgl_cpp::Container> _panel_idle_shutdown;
+    std::unique_ptr<uitk::lvgl_cpp::Container> _panel_charging;
+    std::unique_ptr<uitk::lvgl_cpp::Label> _label_idle_title;
+    std::unique_ptr<uitk::lvgl_cpp::Label> _label_idle_value;
+    std::unique_ptr<uitk::lvgl_cpp::Slider> _slider_idle_shutdown;
+    std::unique_ptr<uitk::lvgl_cpp::Label> _label_charging_title;
+    std::unique_ptr<uitk::lvgl_cpp::Switch> _switch_charging;
+    std::unique_ptr<uitk::lvgl_cpp::Button> _btn_confirm;
+
+    XiaozhiConfig_t _config;
+    std::vector<uint32_t> _idle_shutdown_levels;
+    int32_t _pending_idle_index = -1;
+    bool _confirm_flag          = false;
+};
+
 /**
  * @brief
  *
@@ -286,7 +315,7 @@ private:
  */
 class FactoryResetWorker : public WorkerBase {
 public:
-    FactoryResetWorker();
+    FactoryResetWorker(std::function<void()> beforeResetAction = {});
     ~FactoryResetWorker();
     void update() override;
 
@@ -300,6 +329,7 @@ private:
     int _confirm_count = 0;
     bool _cancel_flag  = false;
     bool _confirm_flag = false;
+    std::function<void()> _before_reset_action;
 
     void update_ui();
 };
diff --git a/firmware/main/hal/board/hal_bridge.cc b/firmware/main/hal/board/hal_bridge.cc
index f23c388..4f794fc 100644
--- a/firmware/main/hal/board/hal_bridge.cc
+++ b/firmware/main/hal/board/hal_bridge.cc
@@ -16,9 +16,14 @@
 #include <display.h>
 #include <mutex>
 #include <assets.h>
+#include <settings.h>
 
 static const char* _tag = "HAL_BRIDGE";
 
+static constexpr std::string_view _xiaozhi_config_nvs_ns                           = "xiaozhi";
+static constexpr std::string_view _xiaozhi_config_idle_shutdown_time_key           = "idle_shutdown";
+static constexpr std::string_view _xiaozhi_config_allow_shutdown_when_charging_key = "shutdown_charge";
+
 namespace hal_bridge {
 
 /* -------------------------------------------------------------------------- */
@@ -112,6 +117,26 @@ void start_xiaozhi_app()
     app.Run();  // This function runs the main event loop and never returns
 }
 
+XiaozhiConfig_t get_xiaozhi_config()
+{
+    XiaozhiConfig_t config;
+
+    Settings settings(_xiaozhi_config_nvs_ns.data(), false);
+    config.idleShutdownTimeSeconds = settings.GetInt(_xiaozhi_config_idle_shutdown_time_key.data(),
+                                                     static_cast<int>(config.idleShutdownTimeSeconds));
+    config.allowShutdownWhenCharging =
+        settings.GetBool(_xiaozhi_config_allow_shutdown_when_charging_key.data(), config.allowShutdownWhenCharging);
+
+    return config;
+}
+
+void set_xiaozhi_config(const XiaozhiConfig_t& config)
+{
+    Settings settings(_xiaozhi_config_nvs_ns.data(), true);
+    settings.SetInt(_xiaozhi_config_idle_shutdown_time_key.data(), config.idleShutdownTimeSeconds);
+    settings.SetBool(_xiaozhi_config_allow_shutdown_when_charging_key.data(), config.allowShutdownWhenCharging);
+}
+
 void app_play_sound(const std::string_view& sound)
 {
     auto& app = Application::GetInstance();
diff --git a/firmware/main/hal/board/hal_bridge.h b/firmware/main/hal/board/hal_bridge.h
index 3c92b3b..0813a1c 100644
--- a/firmware/main/hal/board/hal_bridge.h
+++ b/firmware/main/hal/board/hal_bridge.h
@@ -5,6 +5,7 @@
  */
 #pragma once
 #include "stackchan_camera.h"
+#include <cstdint>
 #include <lvgl.h>
 #include <driver/i2c_master.h>
 #include <string_view>
@@ -23,6 +24,11 @@ struct Data_t {
     bool isXiaozhiModeToggleEnabled = false;
 };
 
+struct XiaozhiConfig_t {
+    uint32_t idleShutdownTimeSeconds = 600;
+    bool allowShutdownWhenCharging   = false;
+};
+
 void lock();
 void unlock();
 Data_t& get_data();
@@ -42,6 +48,8 @@ void xiaozhi_board_init();
 void start_xiaozhi_app();
 bool is_xiaozhi_ready();
 bool is_xiaozhi_idle();
+XiaozhiConfig_t get_xiaozhi_config();
+void set_xiaozhi_config(const XiaozhiConfig_t& config);
 
 i2c_master_bus_handle_t board_get_i2c_bus();
 StackChanCamera* board_get_camera();
diff --git a/firmware/main/hal/board/stackchan.cc b/firmware/main/hal/board/stackchan.cc
index a043dde..b0379b4 100644
--- a/firmware/main/hal/board/stackchan.cc
+++ b/firmware/main/hal/board/stackchan.cc
@@ -16,6 +16,7 @@
 #include <esp_lcd_panel_ops.h>
 #include <esp_lcd_ili9341.h>
 #include <esp_timer.h>
+#include <algorithm>
 #include "stackchan_camera.h"
 #include "hal_bridge.h"
 
@@ -112,6 +113,17 @@ public:
         WriteReg(XPOWERS_AXP2101_ICC_CHG_SET, val | opt);
         return true;
     }
+
+    bool IsExternalPowerConnected()
+    {
+        const uint8_t power_status      = ReadReg(0x01);
+        const uint8_t current_direction = (power_status & 0b01100000) >> 5;
+        const bool is_charging_done     = (power_status & 0b00000111) == 0b00000100;
+
+        // Treat any non-discharging state as externally powered so a plugged-in cable
+        // still counts even after the battery is full.
+        return current_direction != 2 || is_charging_done;
+    }
 };
 
 class CustomBacklight : public Backlight {
@@ -222,6 +234,9 @@ private:
 
 class M5StackCoreS3Board : public WifiBoard {
 private:
+    static constexpr int kPowerSaveSleepDelaySeconds = 300;
+    static constexpr int kPowerStatePollIntervalMs   = 1000;
+
     i2c_master_bus_handle_t i2c_bus_;
     Pmic* pmic_;
     Aw9523* aw9523_;
@@ -230,10 +245,55 @@ private:
     StackChanCamera* camera_;
     esp_timer_handle_t touchpad_timer_;
     PowerSaveTimer* power_save_timer_;
+    hal_bridge::XiaozhiConfig_t xiaozhi_config_;
+    bool last_power_save_enabled_      = false;
+    int64_t last_power_state_check_ms_ = 0;
+
+    bool ShouldEnablePowerSave(bool has_external_power, bool is_discharging) const
+    {
+        return is_discharging || (has_external_power && xiaozhi_config_.allowShutdownWhenCharging);
+    }
+
+    void UpdatePowerSaveEnabled(bool has_external_power, bool is_discharging)
+    {
+        const bool should_enable_power_save = ShouldEnablePowerSave(has_external_power, is_discharging);
+        if (should_enable_power_save == last_power_save_enabled_) {
+            return;
+        }
+
+        ESP_LOGI(TAG, "Power save timer %s: external_power=%d, discharging=%d, allowShutdownWhenCharging=%d",
+                 should_enable_power_save ? "enabled" : "disabled", has_external_power, is_discharging,
+                 xiaozhi_config_.allowShutdownWhenCharging);
+        power_save_timer_->SetEnabled(should_enable_power_save);
+        last_power_save_enabled_ = should_enable_power_save;
+    }
+
+    void PollPowerSaveState()
+    {
+        const int64_t now_ms = esp_timer_get_time() / 1000;
+        if (last_power_state_check_ms_ != 0 && (now_ms - last_power_state_check_ms_) < kPowerStatePollIntervalMs) {
+            return;
+        }
+        last_power_state_check_ms_ = now_ms;
+
+        UpdatePowerSaveEnabled(pmic_->IsExternalPowerConnected(), pmic_->IsDischarging());
+    }
 
     void InitializePowerSaveTimer()
     {
-        power_save_timer_ = new PowerSaveTimer(-1, 300, 600);
+        xiaozhi_config_ = hal_bridge::get_xiaozhi_config();
+
+        const int seconds_to_shutdown = xiaozhi_config_.idleShutdownTimeSeconds > 0
+                                            ? static_cast<int>(xiaozhi_config_.idleShutdownTimeSeconds)
+                                            : -1;
+        const int seconds_to_sleep    = seconds_to_shutdown == -1
+                                            ? kPowerSaveSleepDelaySeconds
+                                            : std::min(kPowerSaveSleepDelaySeconds, seconds_to_shutdown);
+
+        ESP_LOGI(TAG, "Init power save timer: sleep=%d s, shutdown=%d s, allow_shutdown_when_charging=%d",
+                 seconds_to_sleep, seconds_to_shutdown, xiaozhi_config_.allowShutdownWhenCharging);
+
+        power_save_timer_ = new PowerSaveTimer(-1, seconds_to_sleep, seconds_to_shutdown);
         power_save_timer_->OnEnterSleepMode([this]() {
             GetDisplay()->SetPowerSaveMode(true);
             // GetBacklight()->SetBrightness(10);
@@ -243,7 +303,7 @@ private:
             GetBacklight()->RestoreBrightness();
         });
         power_save_timer_->OnShutdownRequest([this]() { pmic_->PowerOff(); });
-        power_save_timer_->SetEnabled(true);
+        UpdatePowerSaveEnabled(pmic_->IsExternalPowerConnected(), pmic_->IsDischarging());
     }
 
     void InitializeI2c()
@@ -322,6 +382,7 @@ private:
                 [](void* arg) {
                     M5StackCoreS3Board* board = (M5StackCoreS3Board*)arg;
                     board->PollTouchpad();
+                    board->PollPowerSaveState();
                 },
             .arg                   = this,
             .dispatch_method       = ESP_TIMER_TASK,
@@ -432,9 +493,9 @@ private:
 public:
     M5StackCoreS3Board()
     {
-        InitializePowerSaveTimer();
         InitializeI2c();
         InitializeAxp2101();
+        InitializePowerSaveTimer();
         InitializeAw9523();
         I2cDetect();
         InitializeSpi();
diff --git a/firmware/main/hal/hal.cpp b/firmware/main/hal/hal.cpp
index 6d4408e..b9d2ef7 100644
--- a/firmware/main/hal/hal.cpp
+++ b/firmware/main/hal/hal.cpp
@@ -202,6 +202,23 @@ void Hal::startXiaozhi()
     hal_bridge::start_xiaozhi_app();
 }
 
+XiaozhiConfig_t Hal::getXiaozhiConfig()
+{
+    auto bridge_config = hal_bridge::get_xiaozhi_config();
+    return XiaozhiConfig_t{
+        .idleShutdownTimeSeconds   = bridge_config.idleShutdownTimeSeconds,
+        .allowShutdownWhenCharging = bridge_config.allowShutdownWhenCharging,
+    };
+}
+
+void Hal::setXiaozhiConfig(XiaozhiConfig_t config)
+{
+    hal_bridge::set_xiaozhi_config({
+        .idleShutdownTimeSeconds   = config.idleShutdownTimeSeconds,
+        .allowShutdownWhenCharging = config.allowShutdownWhenCharging,
+    });
+}
+
 uint8_t Hal::getBatteryLevel()
 {
     return hal_bridge::board_get_battery_level();
diff --git a/firmware/main/hal/hal.h b/firmware/main/hal/hal.h
index e7955ac..bded552 100644
--- a/firmware/main/hal/hal.h
+++ b/firmware/main/hal/hal.h
@@ -110,6 +110,15 @@ struct UserAccountInfo_t {
     std::string deviceName;
 };
 
+/**
+ * @brief
+ *
+ */
+struct XiaozhiConfig_t {
+    uint32_t idleShutdownTimeSeconds = 600;
+    bool allowShutdownWhenCharging   = false;
+};
+
 /**
  * @brief
  *
@@ -189,6 +198,8 @@ public:
         return _xiaozhi_start_requested;
     }
     void startXiaozhi();
+    XiaozhiConfig_t getXiaozhiConfig();
+    void setXiaozhiConfig(XiaozhiConfig_t config);
 
     /* ----------------------------------- BLE ---------------------------------- */
     uitk::Signal<const char*> onBleMotionData;
diff --git a/firmware/main/hal/hal_ota.cpp b/firmware/main/hal/hal_ota.cpp
index 431c131..60300f4 100644
--- a/firmware/main/hal/hal_ota.cpp
+++ b/firmware/main/hal/hal_ota.cpp
@@ -5,6 +5,7 @@
  */
 #include "hal.h"
 #include <mooncake_log.h>
+#include <cstdio>
 #include <memory>
 #include <ota.h>
 
@@ -45,11 +46,19 @@ bool Hal::updateFirmware(std::function<void(std::string_view)> onLog)
     }
 
     onLog("Starting firmware upgrade...");
-    bool upgrade_success = Ota::Upgrade(firmware_url, [&](int progress, size_t speed) {
-        auto msg = fmt::format("Upgrading firmware: {}% at {}KB/s", progress, speed / 1024);
-        mclog::tagInfo(_tag, "upgrade progress: {}", msg);
+    int last_reported_progress = -1;
+    bool upgrade_success       = Ota::Upgrade(firmware_url, [&](int progress, size_t speed) {
+        if (progress == last_reported_progress) {
+            return;
+        }
+
+        last_reported_progress = progress;
+
+        char msg[48];
+        std::snprintf(msg, sizeof(msg), "Upgrading firmware: %d%% at %uKB/s", progress,
+                            static_cast<unsigned>(speed / 1024));
         onLog(msg);
-    });
+          });
 
     if (!upgrade_success) {
         mclog::tagError(_tag, "firmware upgrade failed: version={}, url={}", firmware_version, firmware_url);
diff --git a/firmware/sdkconfig.defaults b/firmware/sdkconfig.defaults
index d8776df..4db623a 100644
--- a/firmware/sdkconfig.defaults
+++ b/firmware/sdkconfig.defaults
@@ -9,6 +9,7 @@ CONFIG_ESPTOOLPY_FLASHSIZE_16MB=y
 CONFIG_PARTITION_TABLE_CUSTOM=y
 CONFIG_LANGUAGE_EN_US=y
 CONFIG_BOARD_TYPE_M5STACK_STACK_CHAN=y
+CONFIG_SEND_WAKE_WORD_DATA=n
 CONFIG_SR_WN_WN9_HISTACKCHAN_TTS3=y
 CONFIG_COMPILER_OPTIMIZATION_SIZE=y
 CONFIG_COMPILER_CXX_EXCEPTIONS=y