diff --git a/main/application.cc b/main/application.cc
index dfd8bdcf..75452d69 100644
--- a/main/application.cc
+++ b/main/application.cc
@@ -61,7 +61,11 @@ void Application::CheckNewVersion() {
     ota_.SetPostData(board.GetJson());
 
     while (true) {
-        if (ota_.CheckVersion()) {
+        bool success = ota_.CheckVersion();
+        if (ota_.HasActivationCode()) {
+            DisplayActivationCode();
+        }
+        if (success) {
             if (ota_.HasNewVersion()) {
                 Alert("Info", "正在升级固件");
                 // Wait for the chat state to be idle
@@ -115,6 +119,13 @@ void Application::CheckNewVersion() {
     }
 }
 
+void Application::DisplayActivationCode() {
+    ESP_LOGW(TAG, "Activation Message: %s", ota_.GetActivationMessage().c_str());
+    ESP_LOGW(TAG, "Activation Code: %s", ota_.GetActivationCode().c_str());
+    auto display = Board::GetInstance().GetDisplay();
+    display->ShowNotification(ota_.GetActivationMessage(), 30000);
+}
+
 void Application::Alert(const std::string& title, const std::string& message) {
     ESP_LOGW(TAG, "Alert: %s, %s", title.c_str(), message.c_str());
     auto display = Board::GetInstance().GetDisplay();
diff --git a/main/application.h b/main/application.h
index 8546946f..2b8552e7 100644
--- a/main/application.h
+++ b/main/application.h
@@ -100,6 +100,7 @@ private:
     void ResetDecoder();
     void SetDecodeSampleRate(int sample_rate);
     void CheckNewVersion();
+    void DisplayActivationCode();
 
     void PlayLocalFile(const char* data, size_t size);
 };
diff --git a/main/boards/common/board.cc b/main/boards/common/board.cc
index b0f61829..a3e67a69 100644
--- a/main/boards/common/board.cc
+++ b/main/boards/common/board.cc
@@ -1,14 +1,46 @@
 #include "board.h"
 #include "system_info.h"
+#include "settings.h"
 #include "display/no_display.h"
 
 #include <esp_log.h>
 #include <esp_ota_ops.h>
 #include <esp_chip_info.h>
+#include <esp_random.h>
 
 #define TAG "Board"
 
 Board::Board() {
+    Settings settings("board", true);
+    uuid_ = settings.GetString("uuid");
+    if (uuid_.empty()) {
+        uuid_ = GenerateUuid();
+        settings.SetString("uuid", uuid_);
+    }
+    ESP_LOGI(TAG, "UUID: %s", uuid_.c_str());
+}
+
+std::string Board::GenerateUuid() {
+    // UUID v4 需要 16 字节的随机数据
+    uint8_t uuid[16];
+    
+    // 使用 ESP32 的硬件随机数生成器
+    esp_fill_random(uuid, sizeof(uuid));
+    
+    // 设置版本 (版本 4) 和变体位
+    uuid[6] = (uuid[6] & 0x0F) | 0x40;    // 版本 4
+    uuid[8] = (uuid[8] & 0x3F) | 0x80;    // 变体 1
+    
+    // 将字节转换为标准的 UUID 字符串格式
+    char uuid_str[37];
+    snprintf(uuid_str, sizeof(uuid_str),
+        "%02x%02x%02x%02x-%02x%02x-%02x%02x-%02x%02x-%02x%02x%02x%02x%02x%02x",
+        uuid[0], uuid[1], uuid[2], uuid[3],
+        uuid[4], uuid[5], uuid[6], uuid[7],
+        uuid[8], uuid[9], uuid[10], uuid[11],
+        uuid[12], uuid[13], uuid[14], uuid[15]);
+    
+    return std::string(uuid_str);
 }
 
 bool Board::GetBatteryLevel(int &level, bool& charging) {
@@ -28,10 +60,12 @@ Led* Board::GetLed() {
 std::string Board::GetJson() {
     /* 
         {
+            "version": 2,
             "flash_size": 4194304,
             "psram_size": 0,
             "minimum_free_heap_size": 123456,
             "mac_address": "00:00:00:00:00:00",
+            "uuid": "00000000-0000-0000-0000-000000000000",
             "chip_model_name": "esp32s3",
             "chip_info": {
                 "model": 1,
@@ -57,13 +91,18 @@ std::string Board::GetJson() {
             ],
             "ota": {
                 "label": "ota_0"
+            },
+            "board": {
+                ...
             }
         }
     */
     std::string json = "{";
+    json += "\"version\":2,";
     json += "\"flash_size\":" + std::to_string(SystemInfo::GetFlashSize()) + ",";
     json += "\"minimum_free_heap_size\":" + std::to_string(SystemInfo::GetMinimumFreeHeapSize()) + ",";
     json += "\"mac_address\":\"" + SystemInfo::GetMacAddress() + "\",";
+    json += "\"uuid\":\"" + uuid_ + "\",";
     json += "\"chip_model_name\":\"" + SystemInfo::GetChipModelName() + "\",";
     json += "\"chip_info\":{";
 
diff --git a/main/boards/common/board.h b/main/boards/common/board.h
index c3f2689f..f1504b7c 100644
--- a/main/boards/common/board.h
+++ b/main/boards/common/board.h
@@ -20,6 +20,10 @@ private:
 
 protected:
     Board();
+    std::string GenerateUuid();
+
+    // 软件生成的设备唯一标识
+    std::string uuid_;
 
 public:
     static Board& GetInstance() {
@@ -29,6 +33,7 @@ public:
 
     virtual ~Board() = default;
     virtual std::string GetBoardType() = 0;
+    virtual std::string GetUuid() { return uuid_; }
     virtual Led* GetLed();
     virtual AudioCodec* GetAudioCodec() = 0;
     virtual Display* GetDisplay();
diff --git a/main/ota.cc b/main/ota.cc
index c9aa98aa..1181eb98 100644
--- a/main/ota.cc
+++ b/main/ota.cc
@@ -71,6 +71,19 @@ bool Ota::CheckVersion() {
         return false;
     }
 
+    cJSON *activation = cJSON_GetObjectItem(root, "activation");
+    if (activation != NULL) {
+        cJSON* message = cJSON_GetObjectItem(activation, "message");
+        if (message != NULL) {
+            activation_message_ = message->valuestring;
+        }
+        cJSON* code = cJSON_GetObjectItem(activation, "code");
+        if (code != NULL) {
+            activation_code_ = code->valuestring;
+        }
+        has_activation_code_ = true;
+    }
+
     cJSON *mqtt = cJSON_GetObjectItem(root, "mqtt");
     if (mqtt != NULL) {
         Settings settings("mqtt", true);
diff --git a/main/ota.h b/main/ota.h
index 2901606f..96f6aa91 100644
--- a/main/ota.h
+++ b/main/ota.h
@@ -16,16 +16,22 @@ public:
     bool CheckVersion();
     bool HasNewVersion() { return has_new_version_; }
     bool HasMqttConfig() { return has_mqtt_config_; }
+    bool HasActivationCode() { return has_activation_code_; }
     void StartUpgrade(std::function<void(int progress, size_t speed)> callback);
     void MarkCurrentVersionValid();
 
     const std::string& GetFirmwareVersion() const { return firmware_version_; }
     const std::string& GetCurrentVersion() const { return current_version_; }
+    const std::string& GetActivationMessage() const { return activation_message_; }
+    const std::string& GetActivationCode() const { return activation_code_; }
 
 private:
     std::string check_version_url_;
+    std::string activation_message_;
+    std::string activation_code_;
     bool has_new_version_ = false;
     bool has_mqtt_config_ = false;
+    bool has_activation_code_ = false;
     std::string current_version_;
     std::string firmware_version_;
     std::string firmware_url_;
diff --git a/main/protocols/websocket_protocol.cc b/main/protocols/websocket_protocol.cc
index 5b965103..9e625803 100644
--- a/main/protocols/websocket_protocol.cc
+++ b/main/protocols/websocket_protocol.cc
@@ -61,6 +61,7 @@ bool WebsocketProtocol::OpenAudioChannel() {
     websocket_->SetHeader("Authorization", token.c_str());
     websocket_->SetHeader("Protocol-Version", "1");
     websocket_->SetHeader("Device-Id", SystemInfo::GetMacAddress().c_str());
+    websocket_->SetHeader("X-Uuid", Board::GetInstance().GetUuid().c_str());
 
     websocket_->OnData([this](const char* data, size_t len, bool binary) {
         if (binary) {