diff --git a/Bionic_Core/CommClass/CommClass.cpp b/Bionic_Core/CommClass/CommClass.cpp
index e8034ed..8219f35 100644
--- a/Bionic_Core/CommClass/CommClass.cpp
+++ b/Bionic_Core/CommClass/CommClass.cpp
@@ -9,9 +9,13 @@
 #include <esp_log.h>
 #include <esp_netif_types.h>
 
+#include "ToolsClass.h"
+#include "sys_conf_singleton.h"
+
 // 静态成员初始化
 WebSocketManager* WebSocketManager::instance = nullptr;
 std::mutex WebSocketManager::instance_mutex;
+std::string WebSocketManager::sn = SYS_CONF_JSON().loadSN();    // 获取SN(同时也能初始化文件系统，如果还没有初始化这个文件系统的话)
 
 // 标签用于日志
 static const char* TAG = "WebSocketManager";
@@ -51,21 +55,21 @@ WebSocketManager::~WebSocketManager() {
 }
 
 WebSocketManager* WebSocketManager::getInstance() {
-    std::lock_guard<std::mutex> lock(instance_mutex);
+    std::lock_guard<std::mutex> lock(instance_mutex);   // 加锁
     if (instance == nullptr) {
         instance = new WebSocketManager();
     }
     return instance;
 }
 
-bool WebSocketManager::initialize(const WebSocketConfig& config) {
-    this->config = config;
+bool WebSocketManager::initialize(const WebSocketConfig& ws_config) {
+    this->config = ws_config;
 
     // 注册WiFi事件处理
-    esp_event_handler_instance_t instance;
+    esp_event_handler_instance_t wifi_instance;
     esp_event_handler_instance_register(IP_EVENT, IP_EVENT_STA_GOT_IP,
                                        &WebSocketManager::wifiEventHandler,
-                                       this, &instance);
+                                       this, &wifi_instance);
 
     // 启动发送线程
     threads_running = true;
@@ -159,8 +163,8 @@ bool WebSocketManager::sendJson(cJSON* json) {
     }
 
     std::lock_guard<std::mutex> lock(queue_mutex);  // 锁定队列
-    send_queue.push(json_str);      // 添加到队列
-    free(json_str);                    // 释放内存
+    send_queue.emplace(json_str);      // 添加到队列
+    free(json_str);                    // 释放json_str的内存
 
     queue_cv.notify_one();             // 通知发送线程
     return true;
@@ -178,11 +182,11 @@ bool WebSocketManager::sendRaw(const std::string& data) {
     return true;
 }
 
-void WebSocketManager::setJsonCallback(JsonDataCallback callback) {
+void WebSocketManager::setJsonCallback(const JsonDataCallback &callback) {
     json_callback = callback;
 }
 
-void WebSocketManager::setEventCallback(EventCallback callback) {
+void WebSocketManager::setEventCallback(const EventCallback &callback) {
     event_callback = callback;
 }
 
@@ -194,8 +198,8 @@ WebSocketConfig WebSocketManager::getConfig() const {
     return config;
 }
 
-void WebSocketManager::updateConfig(const WebSocketConfig& config) {
-    this->config = config;
+void WebSocketManager::updateConfig(const WebSocketConfig& ws_config) {
+    this->config = ws_config;
 }
 
 WebSocketManager::Stats WebSocketManager::getStats() const {
@@ -204,55 +208,57 @@ WebSocketManager::Stats WebSocketManager::getStats() const {
 
 void WebSocketManager::websocketEventHandler(void* handler_args, esp_event_base_t base,
                                            int32_t event_id, void* event_data) {
-    WebSocketManager* instance = static_cast<WebSocketManager*>(handler_args);
-    esp_websocket_event_data_t* data = (esp_websocket_event_data_t*)event_data;
+    auto* ws_instance = static_cast<WebSocketManager*>(handler_args);
+    auto* data = static_cast<esp_websocket_event_data_t *>(event_data);
 
     switch(event_id) {
         case WEBSOCKET_EVENT_CONNECTED:
-            instance->connected = true;
-            instance->connecting = false;
-            instance->reconnect_attempts = 0;
-            instance->stats.successful_connections++;
+            ws_instance->connected = true;
+            ws_instance->connecting = false;
+            ws_instance->reconnect_attempts = 0;
+            ws_instance->stats.successful_connections++;
 
             ESP_LOGI(TAG, "WebSocket connected");
-            if (instance->event_callback) {
-                instance->event_callback(WebSocketEvent::CONNECTED, "Connected successfully");
+            if (ws_instance->event_callback) {
+                ws_instance->event_callback(WebSocketEvent::CONNECTED, "Connected successfully");
             }
             break;
 
         case WEBSOCKET_EVENT_DISCONNECTED:
-            instance->connected = false;
-            instance->connecting = false;
+            ws_instance->connected = false;
+            ws_instance->connecting = false;
 
             ESP_LOGI(TAG, "WebSocket disconnected");
-            if (instance->event_callback) {
-                instance->event_callback(WebSocketEvent::DISCONNECTED, "Disconnected");
+            if (ws_instance->event_callback) {
+                ws_instance->event_callback(WebSocketEvent::DISCONNECTED, "Disconnected");
             }
             break;
 
         case WEBSOCKET_EVENT_DATA:
             if (data->data_len > 0) {
-                instance->stats.messages_received++;
-                instance->handleReceivedData((const char*)data->data_ptr, data->data_len);
+                ws_instance->stats.messages_received++;
+                ws_instance->handleReceivedData((const char*)data->data_ptr, data->data_len);
             }
             break;
 
         case WEBSOCKET_EVENT_ERROR:
-            instance->connected = false;
-            instance->connecting = false;
+            ws_instance->connected = false;
+            ws_instance->connecting = false;
 
             ESP_LOGE(TAG, "WebSocket error");
-            if (instance->event_callback) {
-                instance->event_callback(WebSocketEvent::ERROR, "WebSocket error occurred");
+            if (ws_instance->event_callback) {
+                ws_instance->event_callback(WebSocketEvent::ERROR, "WebSocket error occurred");
             }
             break;
+        default:
+            ESP_LOGW(TAG, "Unhandled WebSocket event: %ld", event_id);
+            break;
     }
 }
 
-void WebSocketManager::handleReceivedData(const char* data, int len) {
+void WebSocketManager::handleReceivedData(const char* data, const int len) const {
     // 尝试解析JSON
-    cJSON* json = cJSON_ParseWithLength(data, len);
-    if (json) {
+    if (cJSON* json = cJSON_ParseWithLength(data, len)) {
         // 成功解析为JSON
         if (json_callback) {
             json_callback(json);
@@ -298,16 +304,16 @@ void WebSocketManager::reconnectThread() {
 
 void WebSocketManager::heartbeatThread() {
     while (threads_running) {
-        if (connected && config.heartbeat_interval > 0) {
+        if (connected && config.heartbeat_interval > 0) {   // 如果处于连接状态且心跳间隔大于0
             // 发送心跳消息
             cJSON* heartbeat = cJSON_CreateObject();
             cJSON_AddStringToObject(heartbeat, "type", "heartbeat");
-            cJSON_AddNumberToObject(heartbeat, "timestamp", esp_log_timestamp());
+            cJSON_AddNumberToObject(heartbeat, "timestamp", static_cast<double>(esp_log_timestamp()));
 
             sendJson(heartbeat);
 
             std::this_thread::sleep_for(std::chrono::milliseconds(config.heartbeat_interval));
-        } else {
+        } else {    // 否则就让出CPU
             std::this_thread::sleep_for(std::chrono::milliseconds(1000));
         }
     }
@@ -316,23 +322,24 @@ void WebSocketManager::heartbeatThread() {
 void WebSocketManager::sendThread() {
     while (threads_running) {
         std::unique_lock<std::mutex> lock(queue_mutex);
-        queue_cv.wait(lock, [this]() {
+        queue_cv.wait(lock,     // 传入已持有的 unique_lock
+            [this]() {  // 等待队列非空或者线程停止
             return !send_queue.empty() || !threads_running;
         });
 
-        if (!threads_running) {
+        if (!threads_running) {     // 其实永远不会进入这里，写上只是保险起见
             break;
         }
 
-        if (!send_queue.empty() && connected) {
+        if (!send_queue.empty() && connected) {     // 如果队列非空且已连接
             std::string data = std::move(send_queue.front());
             send_queue.pop();
-            lock.unlock();
+            lock.unlock();      // 释放锁
 
             // 发送数据
             int sent = esp_websocket_client_send_text(client, data.c_str(), static_cast<int>(data.length()), portMAX_DELAY);
             if (sent >= 0) {
-                stats.messages_sent++;
+                stats.messages_sent++;      // 发送成功
             } else {
                 ESP_LOGE(TAG, "Failed to send data");
                 // 将数据重新放回队列
@@ -355,6 +362,19 @@ bool WebSocketManager::createWebSocketClient() {
         return false;
     }
 
+    // 处理sn码逻辑
+    // 一般情况下sn码会在开机的时候从flash当中读出，因此此处判断是否为空
+    if (!sn.empty()) {    // 如果sn码不为空
+        // 则在头部加入sn码提交
+        esp_websocket_client_append_header(client, "sn", sn.c_str());
+    }
+    else {
+        // 否则在头部加入mac码和芯片序列号
+        esp_websocket_client_append_header(client, "mac", ToolsClass::getChipMAC().c_str());
+        esp_websocket_client_append_header(client, "chip_id", ToolsClass::getChipSerialNumber().c_str());
+    }
+
+
     // 注册事件处理
     esp_websocket_register_events(client, WEBSOCKET_EVENT_ANY,
                                  &WebSocketManager::websocketEventHandler, this);
@@ -371,14 +391,14 @@ void WebSocketManager::destroyWebSocketClient() {
 }
 
 void WebSocketManager::wifiEventHandler(void* arg, esp_event_base_t event_base,
-                                      int32_t event_id, void* event_data) {
-    WebSocketManager* instance = static_cast<WebSocketManager*>(arg);
+                                      int32_t event_Id, void* event_data) {
+    auto* ws_instance = static_cast<WebSocketManager*>(arg);
 
-    if (event_base == IP_EVENT && event_id == IP_EVENT_STA_GOT_IP) {
+    if (event_base == IP_EVENT && event_Id == IP_EVENT_STA_GOT_IP) {
         // WiFi已连接，尝试重新连接WebSocket
-        if (instance->config.auto_reconnect && !instance->connected) {
+        if (ws_instance->config.auto_reconnect && !ws_instance->connected) {
             ESP_LOGI(TAG, "WiFi connected, attempting to reconnect WebSocket");
-            instance->connect();
+            ws_instance->connect();
         }
     }
 }
\ No newline at end of file
diff --git a/Bionic_Core/CommClass/CommClass.h b/Bionic_Core/CommClass/CommClass.h
index a38826d..4da6c18 100644
--- a/Bionic_Core/CommClass/CommClass.h
+++ b/Bionic_Core/CommClass/CommClass.h
@@ -6,7 +6,6 @@
 
 #include <string>
 #include <functional>
-
 #include <mutex>
 #include <queue>
 #include <condition_variable>
@@ -37,6 +36,11 @@ using JsonDataCallback = std::function<void(cJSON* json)>;
 // 事件回调
 using EventCallback = std::function<void(WebSocketEvent event, const std::string& message)>;
 
+// 在此说明一下上面的两个回调函数的作用，主要目的还是为了解耦，在handleReceivedData有对这两个回调的调用
+// 对于JSON数据回调，如果来自客户端的数据被解析为了数据，那么就会调用JSON数据回调，并将解析后的json数据传给JSON数据回调，回调函数内部只需要访问并释放json数据
+// 对于WebSocket事件回调，会有所不同，重点需要关注DATA_RECEIVED事件，这是非json数据的情况，其他的见下面的示例
+// 实际上对于本项目，几乎99%的情况都是只使用JSON数据回调
+
 /* 回调函数示例：
     // JSON数据回调示例
     void onJsonData(cJSON* json) {
@@ -86,7 +90,7 @@ public:
     WebSocketManager& operator=(const WebSocketManager&) = delete;
 
     // 初始化WebSocket管理器
-    bool initialize(const WebSocketConfig& config);
+    bool initialize(const WebSocketConfig& ws_config);
 
     // 连接到WebSocket服务器
     bool connect();
@@ -94,26 +98,26 @@ public:
     // 断开连接
     void disconnect();
 
-    // 发送JSON数据
+    // 发送JSON数据，注意此成员函数会释放json数据，调用之后请不要再次释放json数据
     bool sendJson(cJSON* json);
 
     // 发送原始字符串数据
     bool sendRaw(const std::string& data);
 
     // 设置JSON数据回调
-    void setJsonCallback(JsonDataCallback callback);
+    void setJsonCallback(const JsonDataCallback &callback);
 
     // 设置事件回调
-    void setEventCallback(EventCallback callback);
+    void setEventCallback(const EventCallback &callback);
 
     // 获取连接状态
-    bool isConnected() const;
+    [[nodiscard]] bool isConnected() const;
 
     // 获取配置信息
-    WebSocketConfig getConfig() const;
+    [[nodiscard]] WebSocketConfig getConfig() const;
 
     // 更新配置
-    void updateConfig(const WebSocketConfig& config);
+    void updateConfig(const WebSocketConfig& ws_config);
 
     // 获取统计信息
     struct Stats {
@@ -122,7 +126,7 @@ public:
         uint32_t connection_attempts;       /// 连接尝试次数
         uint32_t successful_connections;    /// 成功连接次数
     };
-    Stats getStats() const;
+    [[nodiscard]] Stats getStats() const;
 
 private:
     WebSocketManager();  // 私有构造函数
@@ -143,7 +147,7 @@ private:
      * @param data   数据
      * @param len    数据长度
      */
-    void handleReceivedData(const char* data, int len);
+    void handleReceivedData(const char* data, int len) const;
 
     // 重连线程函数
     void reconnectThread();
@@ -196,4 +200,14 @@ private:
 
     // WiFi实例
     WifiConnectors* wifi;
+
+    // sn码和设备信息
+    static std::string sn;                  /// sn码会在设备首次连网后连接服务器后经过服务器计算后返回唯一的sn码
+                                            /// 在首次连接服务器后会提交设备的芯片序列号和mac地址，以用于计算唯一sn码
+                                            /// 在计算后，服务器首先会把计算好的sn码返回给设备，并保存起来
+                                            /// 客户端会将服务器返回的sn码存在设备flash当中
+                                            /// 这样客户端和服务端之间就都有sn码了
+                                            /// 当客户端再次连接服务器的时候，会先从flash中读取sn码，如果sn码存在，则将sn码发送给服务器以建立连接
+                                            /// 如此下来服务器也方便找到设备保存的信息
+    std::string device_info = "esp32s3";    /// 可以根据不同的设备进行修改，在本项目中使用的是esp32s3
 };
\ No newline at end of file
diff --git a/Bionic_Core/CppHandle/CppHandle.cpp b/Bionic_Core/CppHandle/CppHandle.cpp
index 67438da..4363e17 100644
--- a/Bionic_Core/CppHandle/CppHandle.cpp
+++ b/Bionic_Core/CppHandle/CppHandle.cpp
@@ -203,7 +203,7 @@ void testMIC() {
 }
 
 void Cpp_Hand() {
-    testMIC();
+    // testMIC();
     // testPetSystem();
 
     OTAClass oc;
diff --git a/Bionic_Core/OTAClass/OTAClass.cpp b/Bionic_Core/OTAClass/OTAClass.cpp
index a234d71..62b5aa3 100644
--- a/Bionic_Core/OTAClass/OTAClass.cpp
+++ b/Bionic_Core/OTAClass/OTAClass.cpp
@@ -145,12 +145,28 @@ void websocket_task() {
         vTaskDelay(100 / portTICK_PERIOD_MS);
     }
 }
+#include "ToolsClass.h"
+#include "cpp_json.h"
+#include "sys_conf_singleton.h"
+using namespace cppjson;
 
 void OTAClass::Init() {
     ESP_LOGI("OTA", "Init");
 
     ESP_LOGI("OTAClass::Init", "当前固件版本 1.0.1");
 
+    ESP_LOGI("OTAClass::Init", "当前设备MAC地址 %s", ToolsClass::getChipMAC().c_str());
+    ESP_LOGI("OTAClass::Init", "当前设备固件序列号 %s", ToolsClass::getChipSerialNumber().c_str());
+
+
+
+    auto& fs = SYS_CONF_JSON();
+    if (!fs.saveSN("9f897fe7b6b952ac")) {
+        ESP_LOGE("conf", "saveSN failed");
+    }
+    std::string sn = fs.loadSN();
+    ESP_LOGI("conf", "loaded sn = %s", sn.c_str());
+
     // 列出当前目录内容
     std::string listing = SDFileManager::getInstance()->lsCommand(".", false, true);
     ESP_LOGI("SD", "%s", listing.c_str());
@@ -164,13 +180,13 @@ void OTAClass::Init() {
     listing = SDFileManager::getInstance()->lsCommand(".", false, true);
     ESP_LOGI("SD", "%s", listing.c_str());
 
-    LVGLRender::getInstance()->RenderGif("sequence01m.gif");
+    // LVGLRender::getInstance()->RenderGif("gzl_m.gif");
 
     // 设置音量
-    AudioOutput::getInstance()->setVolume(5);
+    // AudioOutput::getInstance()->setVolume(5);
 
     // 同步播放
-    AudioOutput::getInstance()->playSync("/sdcard/music", "kokoronashi.mp3");
+    // AudioOutput::getInstance()->playSync("/sdcard/music", "kokoronashi_8k.mp3");
 
 
     // // 配置Wifi连接线程参数
diff --git a/Bionic_Core/ToolsClass/CppJson/cpp_json.cpp b/Bionic_Core/ToolsClass/CppJson/cpp_json.cpp
new file mode 100644
index 0000000..a724225
--- /dev/null
+++ b/Bionic_Core/ToolsClass/CppJson/cpp_json.cpp
@@ -0,0 +1,4 @@
+//
+// Created by misaki on 2025/9/22.
+//
+#include "cpp_json.h"
\ No newline at end of file
diff --git a/Bionic_Core/ToolsClass/CppJson/cpp_json.h b/Bionic_Core/ToolsClass/CppJson/cpp_json.h
new file mode 100644
index 0000000..940a019
--- /dev/null
+++ b/Bionic_Core/ToolsClass/CppJson/cpp_json.h
@@ -0,0 +1,207 @@
+//
+// Created by misaki on 2025/9/22.
+//
+/**
+ * CppJson.h
+ * 对cJSON的Cpp封装
+ * Code By Misaki
+ * 2025.9.22
+ */
+
+/**
+ * 如何使用:
+        std::string text = R"({"name":"Misaki","age":18,"skills":["C++","RISC-V"]})";
+        auto j = cppjson::Json::parse(text);
+        std::cout << "name = " << j["name"].asString() << '\n';
+        j["skills"].append(cppjson::Json("Go"));
+        std::cout << j.dumpPretty() << '\n';
+
+    or:
+        Json j = Json::object();
+        j.set("name", Json("misaki"))
+         .set("age",  Json(24))
+         .set("vip",  Json(true))
+         .set("list", Json::array()
+                         .append(Json(1))
+                         .append(Json("hello")));
+
+        std::cout << j.dumpPretty() << "\n";
+
+        Json j2 = j["list"];
+        for (auto& v : j2) std::cout << v.dump() << " ";
+        std::cout << "\n";
+ */
+
+//  cpp_json.hpp
+#pragma once
+#include <cJSON.h>
+#include <string>
+#include <vector>
+#include <map>
+#include <memory>
+#include <stdexcept>
+
+namespace cppjson {
+
+//前向声明 + 别名
+class Json;
+using Array  = std::vector<Json>;          // 这里只是别名，不会实例化
+using Object = std::map<std::string, Json>;
+
+
+class Json {
+public:
+    enum Type { Null, Bool, Number, String, ArrayType, ObjectType };
+
+    /*-------- 构造 ------------------------------------------------*/
+    Json() noexcept : ptr_(nullptr), owner_(false) {}
+    explicit Json(std::nullptr_t) noexcept : Json() {}
+    explicit Json(bool v)            : ptr_(cJSON_CreateBool(v)), owner_(true) {}
+    explicit Json(int v)             : ptr_(cJSON_CreateNumber(v)), owner_(true) {}
+    explicit Json(double v)          : ptr_(cJSON_CreateNumber(v)), owner_(true) {}
+    explicit Json(const char* v)     : ptr_(cJSON_CreateString(v)), owner_(true) {}
+    explicit Json(const std::string& v):ptr_(cJSON_CreateString(v.c_str())), owner_(true) {}
+    explicit Json(const Array& arr);                    // 类外实现
+    explicit Json(const Object& obj);                   // 类外实现
+    /* 接管原始指针，owner=true 会负责 delete */
+    explicit Json(cJSON* raw, bool owner = true) noexcept
+        : ptr_(raw), owner_(owner) {}
+
+    /*-------- 拷贝/移动 -------------------------------------------*/
+    Json(const Json& rhs)
+        : ptr_(rhs.ptr_ ? cJSON_Duplicate(rhs.ptr_, 1) : nullptr), owner_(true) {}
+    Json(Json&& rhs) noexcept
+        : ptr_(rhs.ptr_), owner_(rhs.owner_) { rhs.ptr_ = nullptr; rhs.owner_ = false; }
+    Json& operator=(Json rhs) noexcept { swap(rhs); return *this; }
+    ~Json() { reset(); }
+
+    /*-------- 工厂 ------------------------------------------------*/
+    static Json parse(const std::string& text) {
+        cJSON* p = cJSON_Parse(text.c_str());
+        if (!p) throw std::runtime_error("cppjson::parse failed");
+        return Json(p, true);
+    }
+    static Json array()  { return Json(cJSON_CreateArray(),  true); }
+    static Json object() { return Json(cJSON_CreateObject(), true); }
+
+    /*-------- 序列化 ----------------------------------------------*/
+    [[nodiscard]] std::string dump() const {
+        if (!ptr_) return "null";
+        char* s = cJSON_PrintUnformatted(ptr_);
+        std::string ret(s ? s : "null");
+        if (s) free(s);
+        return ret;
+    }
+    [[nodiscard]] std::string dumpPretty() const {
+        if (!ptr_) return "null";
+        char* s = cJSON_Print(ptr_);
+        std::string ret(s ? s : "null");
+        if (s) free(s);
+        return ret;
+    }
+
+    /*-------- 类型查询 --------------------------------------------*/
+    [[nodiscard]] Type type() const noexcept {
+        if (!ptr_) return Null;
+        switch (ptr_->type & 0xFF) {
+            case cJSON_False:
+            case cJSON_True:  return Bool;
+            case cJSON_Number:return Number;
+            case cJSON_String:return String;
+            case cJSON_Array: return ArrayType;
+            case cJSON_Object:return ObjectType;
+            default:          return Null;
+        }
+    }
+    [[nodiscard]] bool isNull()   const noexcept { return type() == Null; }
+    [[nodiscard]] bool isBool()   const noexcept { return type() == Bool; }
+    [[nodiscard]] bool isNumber() const noexcept { return type() == Number; }
+    [[nodiscard]] bool isString() const noexcept { return type() == String; }
+    [[nodiscard]] bool isArray()  const noexcept { return type() == ArrayType; }
+    [[nodiscard]] bool isObject() const noexcept { return type() == ObjectType; }
+
+    /*-------- 取值 ------------------------------------------------*/
+    [[nodiscard]] bool        asBool()   const { if (!isBool())   throw std::runtime_error("not bool");   return cJSON_IsTrue(ptr_); }
+    [[nodiscard]] int         asInt()    const { if (!isNumber()) throw std::runtime_error("not number"); return static_cast<int>(ptr_->valueint); }
+    [[nodiscard]] double      asDouble() const { if (!isNumber()) throw std::runtime_error("not number"); return ptr_->valuedouble; }
+    [[nodiscard]] std::string asString() const { if (!isString()) throw std::runtime_error("not string"); return ptr_->valuestring; }
+
+    /*-------- 数组/对象接口 ---------------------------------------*/
+    [[nodiscard]] size_t size() const {
+        if (isArray() || isObject()) return cJSON_GetArraySize(ptr_);
+        return 0;
+    }
+    Json operator[](size_t idx) const {
+        if (!isArray()) throw std::runtime_error("not array");
+        cJSON* it = cJSON_GetArrayItem(ptr_, static_cast<int>(idx));
+        return it ? Json(it, false) : Json();
+    }
+    Json operator[](const std::string& key) const {
+        if (!isObject()) throw std::runtime_error("not object");
+        cJSON* it = cJSON_GetObjectItem(ptr_, key.c_str());
+        return it ? Json(it, false) : Json();
+    }
+    Json& append(const Json& v) {
+        if (!isArray()) throw std::runtime_error("not array");
+        cJSON_AddItemToArray(ptr_, cJSON_Duplicate(v.ptr_, 1));
+        return *this;
+    }
+    Json& set(const std::string& key, const Json& v) {
+        if (!isObject()) throw std::runtime_error("not object");
+        cJSON_AddItemToObject(ptr_, key.c_str(), cJSON_Duplicate(v.ptr_, 1));
+        return *this;
+    }
+
+    /*-------- 迭代器（只读）---------------------------------------*/
+    template <bool IsConst>
+    struct iterator_impl {
+        using iterator_category = std::forward_iterator_tag;
+        using value_type = Json;
+        using difference_type = std::ptrdiff_t;
+        using pointer   = typename std::conditional<IsConst, const Json, Json>::type*;
+        using reference = typename std::conditional<IsConst, const Json, Json>::type&;
+
+        iterator_impl(cJSON* h, cJSON* c) : head_(h), cur_(c) {}
+        reference operator*() {
+            tmp = std::make_unique<Json>(cur_, false);
+            return *tmp;
+        }
+        pointer   operator->() { return &(operator*()); }
+        iterator_impl& operator++() { cur_ = cur_ ? cur_->next : nullptr; return *this; }
+        friend bool operator==(const iterator_impl& a, const iterator_impl& b) { return a.cur_ == b.cur_; }
+        friend bool operator!=(const iterator_impl& a, const iterator_impl& b) { return !(a == b); }
+    private:
+        cJSON *head_, *cur_;
+        std::unique_ptr<Json> tmp;  // 改为智能指针
+    };
+    using iterator       = iterator_impl<false>;
+    using const_iterator = iterator_impl<true>;
+    iterator begin()             { return iterator(ptr_, ptr_ ? ptr_->child : nullptr); }
+    iterator end()               { return iterator(ptr_, nullptr); }
+    [[nodiscard]] const_iterator begin() const { return cbegin(); }
+    [[nodiscard]] const_iterator end()   const { return cend(); }
+    [[nodiscard]] const_iterator cbegin() const { return const_iterator(ptr_, ptr_ ? ptr_->child : nullptr); }
+    [[nodiscard]] const_iterator cend()   const { return const_iterator(ptr_, nullptr); }
+
+    /*-------- 工具 ------------------------------------------------*/
+    void swap(Json& rhs) noexcept { std::swap(ptr_, rhs.ptr_); std::swap(owner_, rhs.owner_); }
+
+private:
+    cJSON* ptr_   = nullptr;
+    bool   owner_ = false;
+
+    void reset() { if (owner_ && ptr_) cJSON_Delete(ptr_); ptr_ = nullptr; owner_ = true; }
+};
+
+
+/*================ 类外实现：Array / Object 构造 =================*/
+inline Json::Json(const Array& arr)
+    : ptr_(cJSON_CreateArray()), owner_(true) {
+    for (const auto& v : arr) append(v);
+}
+inline Json::Json(const Object& obj)
+    : ptr_(cJSON_CreateObject()), owner_(true) {
+    for (const auto& kv : obj) set(kv.first, kv.second);
+}
+
+} // namespace cppjson
\ No newline at end of file
diff --git a/Bionic_Core/ToolsClass/LVGL_Render/LVGLRender.h b/Bionic_Core/ToolsClass/LVGL_Render/LVGLRender.h
index db7e724..17bc433 100644
--- a/Bionic_Core/ToolsClass/LVGL_Render/LVGLRender.h
+++ b/Bionic_Core/ToolsClass/LVGL_Render/LVGLRender.h
@@ -16,6 +16,9 @@
 #include <core/lv_obj.h>
 
 class LVGLRender {
+public:
+    LVGLRender(LVGLRender const&) = delete;           // 禁止拷贝构造函数
+    LVGLRender& operator=(LVGLRender const&) = delete;// 禁止赋值运算符
 public:
     static std::string makeFullPath(const std::string& filename);
 
@@ -46,10 +49,6 @@ private:
 private:
     explicit LVGLRender();         // 构造函数私有化
     ~LVGLRender();
-
-    LVGLRender(LVGLRender const&) = delete;           // 拷贝构造函数私有化
-    LVGLRender& operator=(LVGLRender const&) = delete;// 赋值运算符私有化
-
     void LVGL_Update();             // 渲染lvgl上下文(持久性线程)
 
 private:
diff --git a/Bionic_Core/ToolsClass/SpeechRecognizer/SpeechRecognizer.h b/Bionic_Core/ToolsClass/SpeechRecognizer/SpeechRecognizer.h
index 5f630f0..1695eb3 100644
--- a/Bionic_Core/ToolsClass/SpeechRecognizer/SpeechRecognizer.h
+++ b/Bionic_Core/ToolsClass/SpeechRecognizer/SpeechRecognizer.h
@@ -46,8 +46,8 @@ struct SpeechRecognizerConfig {
     // 模型路径
     std::string model_path = "/sdcard/srmodels";
     // 线程配置
-    ThreadConfig feed_thread_config = {"SR_Feed", 0, 4096, 3, false};
-    ThreadConfig detect_thread_config = {"SR_Detect", 1, 6 * 1024, 5, false};
+    ThreadConfig feed_thread_config = {"SR_Feed", 1, 4096, 3, false};
+    ThreadConfig detect_thread_config = {"SR_Detect", 0, 6 * 1024, 5, false};
     // 识别超时时间(ms)
     int detection_timeout = 6000;
 };
diff --git a/Bionic_Core/ToolsClass/Sys_Config/sys_conf_singleton.cpp b/Bionic_Core/ToolsClass/Sys_Config/sys_conf_singleton.cpp
new file mode 100644
index 0000000..6523485
--- /dev/null
+++ b/Bionic_Core/ToolsClass/Sys_Config/sys_conf_singleton.cpp
@@ -0,0 +1,5 @@
+//
+// Created by misaki on 2025/9/22.
+//
+
+#include "sys_conf_singleton.h"
diff --git a/Bionic_Core/ToolsClass/Sys_Config/sys_conf_singleton.h b/Bionic_Core/ToolsClass/Sys_Config/sys_conf_singleton.h
new file mode 100644
index 0000000..82c0b68
--- /dev/null
+++ b/Bionic_Core/ToolsClass/Sys_Config/sys_conf_singleton.h
@@ -0,0 +1,151 @@
+//
+// Created by misaki on 2025/9/22.
+//
+#pragma once
+#include "cpp_json.h"
+#include <esp_vfs_fat.h>
+#include <wear_levelling.h>
+#include <esp_log.h>
+#include <dirent.h>
+#include <unistd.h>
+#include <string>
+#include <vector>
+#include <fstream>
+#include <mutex>
+
+static constexpr char kSysConfPartName[] = "sys_conf";
+
+template <const char* PartitionLabel>
+class SysConfJson {
+public:
+    static SysConfJson& instance() {
+        static SysConfJson inst;
+        return inst;
+    }
+
+    /* 把 sn 持久化到 <mount>/sn.json，成功返回 true */
+    bool saveSN(const std::string& sn)
+    {
+        cppjson::Json doc = cppjson::Json::object();
+        doc.set("sn", cppjson::Json(sn));   // {"sn":"xxxxxx"}
+        return write("sn", doc);            // 实际文件 = <mount>/sn.json
+    }
+
+    /* 读取 sn，如果文件/字段不存在返回空串（绝不抛异常） */
+    std::string loadSN()
+    {
+        cppjson::Json j = read("sn");       // 读 <mount>/sn.json
+        if (!j.isObject()) return "";       // 文件不存在或解析失败
+        cppjson::Json snNode = j["sn"];
+        return snNode.isString() ? snNode.asString() : "";
+    }
+
+    /* 直接覆盖写，无 tmp */
+    bool write(const char* key, const cppjson::Json& j) {
+        const std::string path = buildPath(key);
+        const std::string txt  = j.dump();
+        return writeRaw(path, txt);
+    }
+
+    /* 读 */
+    cppjson::Json read(const char* key) const {
+        std::string content;
+        if (!readRaw(key, content)) return {};
+        try {
+            return cppjson::Json::parse(content);
+        } catch (...) {
+            ESP_LOGE(TAG, "parse %s fail", key);
+            return {};
+        }
+    }
+
+    /* 删文件 */
+    bool remove(const char* key) const {
+        const std::string path = buildPath(key);
+        return ::unlink(path.c_str()) == 0;
+    }
+
+    /* 列文件 */
+    [[nodiscard]] std::vector<std::string> ls() const {
+        std::vector<std::string> names;
+        DIR* dir = ::opendir(kMount);
+        if (!dir) return names;
+        struct dirent* entry;
+        while ((entry = ::readdir(dir)) != nullptr) {
+            if (entry->d_name[0] == '.') continue;
+            names.emplace_back(entry->d_name);
+        }
+        ::closedir(dir);
+        return names;
+    }
+
+    /* 格式化 */
+    [[nodiscard]] bool format() const {
+        ESP_LOGW(TAG, "format <%s>", PartitionLabel);
+        return esp_vfs_fat_spiflash_format_rw_wl(kMount, PartitionLabel) == ESP_OK;
+    }
+
+    /* 禁止拷贝 */
+    SysConfJson(const SysConfJson&)            = delete;
+    SysConfJson& operator=(const SysConfJson&) = delete;
+
+private:
+    constexpr static const char* TAG    = "SysConfJson";
+    constexpr static const char* kMount = "/sys_conf";
+    wl_handle_t wl_ = WL_INVALID_HANDLE;
+    bool mounted_   = false;
+    static constexpr const char* kFileName = "sys_conf.json";
+    std::mutex mtx_;
+
+    SysConfJson() { mount(); }
+    ~SysConfJson() { unmount(); }
+
+    void mount() {
+        esp_vfs_fat_mount_config_t cfg = {
+            .format_if_mount_failed = true,
+            .max_files = 8,
+            .allocation_unit_size = CONFIG_WL_SECTOR_SIZE
+        };
+        esp_err_t err = esp_vfs_fat_spiflash_mount_rw_wl(kMount, PartitionLabel, &cfg, &wl_);
+        if (err != ESP_OK) {
+            ESP_LOGE(TAG, "mount fail <%s>", esp_err_to_name(err));
+            return;
+        }
+        mounted_ = true;
+        ESP_LOGI(TAG, "FAT mounted at %s", kMount);
+    }
+
+    void unmount() {
+        if (!mounted_) return;
+        esp_vfs_fat_spiflash_unmount_rw_wl(kMount, wl_);
+        wl_ = WL_INVALID_HANDLE;
+        mounted_ = false;
+    }
+
+    bool writeRaw(const std::string& path, const std::string& txt) {
+        FILE* f = std::fopen(path.c_str(), "wb");
+        if (!f) return false;
+        bool ok = std::fwrite(txt.data(), 1, txt.size(), f) == txt.size();
+        std::fclose(f);
+        return ok;
+    }
+
+    bool readRaw(const char* key, std::string& out) const {
+        const std::string path = buildPath(key);
+        FILE* f = std::fopen(path.c_str(), "rb");
+        if (!f) return false;
+        std::fseek(f, 0, SEEK_END);
+        size_t sz = std::ftell(f);
+        std::fseek(f, 0, SEEK_SET);
+        out.resize(sz);
+        bool ok = std::fread(&out[0], 1, sz, f) == sz;
+        std::fclose(f);
+        return ok;
+    }
+
+    std::string buildPath(const char* key) const {
+        return std::string(kMount) + "/" + key;
+    }
+};
+
+#define SYS_CONF_JSON() SysConfJson<kSysConfPartName>::instance()
\ No newline at end of file
diff --git a/Bionic_Core/ToolsClass/ThreadManager/ThreadManager.h b/Bionic_Core/ToolsClass/ThreadManager/ThreadManager.h
index adfbc8d..eb60047 100644
--- a/Bionic_Core/ToolsClass/ThreadManager/ThreadManager.h
+++ b/Bionic_Core/ToolsClass/ThreadManager/ThreadManager.h
@@ -142,8 +142,6 @@ public:
         printf("Internal(内部): %zu kB, SPIRAM(外部): %zu kB\n", internal / 1024, spiram / 1024);
     }
 
-
-
     static void stats_task()
     {
         char stats_buf[2 * 1024];       // 存储任务列表和绑核信息，占用 2KB 栈空间，调用时需注意
diff --git a/Bionic_Core/ToolsClass/ToolsClass.cpp b/Bionic_Core/ToolsClass/ToolsClass.cpp
index 2bef9cc..96e745e 100644
--- a/Bionic_Core/ToolsClass/ToolsClass.cpp
+++ b/Bionic_Core/ToolsClass/ToolsClass.cpp
@@ -1,4 +1,42 @@
 //
 // Created by misaki on 2025/9/2.
 //
+#include "ToolsClass.h"
+
+#include <esp_mac.h>
+#include <esp_efuse.h>
+#include <esp_log.h>
+#include <array>
+#include <esp_efuse_table.h>
+#include <sstream>
+#include <iomanip>
+
+static const char *TAG = "ToolsClass";
+
+
+std::string ToolsClass::getChipSerialNumber() {
+    // 获取芯片序列号(17 字节长的 "Chip ID" （乐鑫官方唯一序列号）)
+    std::array<uint8_t, 17> id{};
+    /* 下面这个宏在 ESP32-S3 上展开为 17 byte 序列号字段，直接可用 */
+    esp_err_t err = esp_efuse_read_field_blob(ESP_EFUSE_OPTIONAL_UNIQUE_ID, id.data(), id.size() * 8);
+    if (err != ESP_OK) {
+        ESP_LOGE(TAG, "read Chip ID failed: %s", esp_err_to_name(err));
+        return "";
+    }
+    std::stringstream ss;
+    for (uint8_t v : id) ss << std::hex << std::setw(2) << std::setfill('0') << static_cast<int>(v);
+    return ss.str();
+}
+
+std::string ToolsClass::getChipMAC() {
+    std::array<uint8_t, 6> mac{};
+    esp_efuse_mac_get_default(mac.data());   // 读出厂 MAC
+    std::stringstream ss;
+    for (size_t i = 0; i < mac.size(); ++i) {
+        ss << std::hex << std::setw(2) << std::setfill('0') << static_cast<int>(mac[i]);
+        if (i + 1 != mac.size()) ss << ':';
+    }
+    return ss.str();
+}
+
 
diff --git a/Bionic_Core/ToolsClass/ToolsClass.h b/Bionic_Core/ToolsClass/ToolsClass.h
index b8e535a..0bf3e65 100644
--- a/Bionic_Core/ToolsClass/ToolsClass.h
+++ b/Bionic_Core/ToolsClass/ToolsClass.h
@@ -2,11 +2,30 @@
 // Created by misaki on 2025/9/2.
 //
 #pragma once
-
+#include <string>
 /**
  * 本模块提供各种杂项工具类，基本都来源于对底层驱动的封装
  *
  *
  */
+class ToolsClass {
+public:
+    /**
+     * 获取当前时间
+     * @return
+     */
+    static std::string getCurrentTime();
 
+    /**
+     * 获取esp32s3的芯片序列号
+     * @return
+     */
+    static std::string getChipSerialNumber();
+
+    /**
+     * 获取esp32s3的MAC地址
+     * @return
+     */
+    static std::string getChipMAC();
+};
 
diff --git a/Lib/Audio_Driver/PCM5101.c b/Lib/Audio_Driver/PCM5101.c
index 545bba4..36d139f 100644
--- a/Lib/Audio_Driver/PCM5101.c
+++ b/Lib/Audio_Driver/PCM5101.c
@@ -78,7 +78,7 @@ static void audio_player_callback(audio_player_cb_ctx_t *ctx) {
 void Audio_Init(void) 
 {
     i2s_std_config_t std_cfg = {
-        .clk_cfg = I2S_STD_CLK_DEFAULT_CONFIG(44100),
+        .clk_cfg = I2S_STD_CLK_DEFAULT_CONFIG(16000),    // 音频采样率，使用16kHz以减少CPU占用
         .slot_cfg = I2S_STD_PHILIP_SLOT_DEFAULT_CONFIG(I2S_DATA_BIT_WIDTH_16BIT, I2S_SLOT_MODE_STEREO),
         .gpio_cfg = BSP_I2S_GPIO_CFG,
     };
@@ -91,8 +91,8 @@ void Audio_Init(void)
         .mute_fn = audio_mute_function,
         .write_fn = bsp_i2s_write,
         .clk_set_fn = bsp_i2s_reconfig_clk,
-        .priority = 3,
-        .coreID = 0     // 运行在0号核，避免与lvgl抢占资源
+        .priority = 4,
+        .coreID = 1     // 运行在0号核，避免与lvgl抢占资源
     };
     ret = audio_player_new(config);
     if (ret != ESP_OK) {
diff --git a/main/CMakeLists.txt b/main/CMakeLists.txt
index 6223fab..fe12ece 100644
--- a/main/CMakeLists.txt
+++ b/main/CMakeLists.txt
@@ -41,6 +41,8 @@ idf_component_register(SRCS "Bionic_sphere.c"
                     "../Bionic_Core/ToolsClass/SpeechRecognizer/SpeechRecognizer.cpp" # 语音识别类库
                     "../Bionic_Core/ToolsClass/WifiConnectors/WifiConnectors.cpp"   # WIFI连接类库
                     "../Bionic_Core/ToolsClass/ThreadManager/ThreadManager.cpp"     # 线程管理类库
+                    "../Bionic_Core/ToolsClass/Sys_Config/sys_conf_singleton.cpp"   # 系统配置类库
+                    "../Bionic_Core/ToolsClass/CppJson/cpp_json.cpp"                # json类库
                     "../Bionic_Core/CppHandle/CppHandle.cpp"        # C++&C兼容库
         INCLUDE_DIRS "."
         "../test/driver_test"
@@ -77,6 +79,8 @@ idf_component_register(SRCS "Bionic_sphere.c"
                     "../Bionic_Core/ToolsClass/SpeechRecognizer"
                     "../Bionic_Core/ToolsClass/WifiConnectors"
                     "../Bionic_Core/ToolsClass/ThreadManager"
+                    "../Bionic_Core/ToolsClass/Sys_Config"
+                    "../Bionic_Core/ToolsClass/CppJson"
                     "../Bionic_Core/CppHandle"
         PRIV_REQUIRES   # 私有依赖
             driver
@@ -94,6 +98,7 @@ idf_component_register(SRCS "Bionic_sphere.c"
             esp_websocket_client
             esp_https_ota
             json
+            efuse
 )
 
 target_compile_options(${COMPONENT_LIB} PUBLIC -std=gnu++17)
diff --git a/partitions.csv b/partitions.csv
index fae0cd9..929aaef 100644
--- a/partitions.csv
+++ b/partitions.csv
@@ -18,4 +18,5 @@ otadata,  data, ota,     ,        0x2000,
 phy_init, data, phy,     ,        0x1000,
 ota_0,    app,  ota_0,   ,        6M,
 ota_1,    app,  ota_1,   ,        6M,
-coredump, data, coredump,,        64K,
\ No newline at end of file
+coredump, data, coredump,,        64K,
+sys_conf, data, fat,     ,        0xF9000,
\ No newline at end of file
diff --git a/sdkconfig b/sdkconfig
index d0f392b..fd4348a 100644
--- a/sdkconfig
+++ b/sdkconfig
@@ -777,7 +777,8 @@ CONFIG_COMPILER_FLOAT_LIB_FROM_GCCLIB=y
 CONFIG_COMPILER_OPTIMIZATION_ASSERTION_LEVEL=2
 # CONFIG_COMPILER_OPTIMIZATION_CHECKS_SILENT is not set
 CONFIG_COMPILER_HIDE_PATHS_MACROS=y
-# CONFIG_COMPILER_CXX_EXCEPTIONS is not set
+CONFIG_COMPILER_CXX_EXCEPTIONS=y
+CONFIG_COMPILER_CXX_EXCEPTIONS_EMG_POOL_SIZE=0
 CONFIG_COMPILER_CXX_RTTI=y
 CONFIG_COMPILER_STACK_CHECK_MODE_NONE=y
 # CONFIG_COMPILER_STACK_CHECK_MODE_NORM is not set
@@ -2995,7 +2996,8 @@ CONFIG_OPTIMIZATION_ASSERTIONS_ENABLED=y
 # CONFIG_OPTIMIZATION_ASSERTIONS_SILENT is not set
 # CONFIG_OPTIMIZATION_ASSERTIONS_DISABLED is not set
 CONFIG_OPTIMIZATION_ASSERTION_LEVEL=2
-# CONFIG_CXX_EXCEPTIONS is not set
+CONFIG_CXX_EXCEPTIONS=y
+CONFIG_CXX_EXCEPTIONS_EMG_POOL_SIZE=0
 CONFIG_STACK_CHECK_NONE=y
 # CONFIG_STACK_CHECK_NORM is not set
 # CONFIG_STACK_CHECK_STRONG is not set
diff --git a/sdkconfig.old b/sdkconfig.old
index 3bfea24..d0f392b 100644
--- a/sdkconfig.old
+++ b/sdkconfig.old
@@ -560,26 +560,26 @@ CONFIG_SR_MN_EN_NONE=y
 #
 # Add Chinese speech commands
 #
-CONFIG_CN_SPEECH_COMMAND_ID0="da kai kong tiao"
-CONFIG_CN_SPEECH_COMMAND_ID1="guan bi kong tiao"
-CONFIG_CN_SPEECH_COMMAND_ID2="zeng da feng su"
-CONFIG_CN_SPEECH_COMMAND_ID3="jian xiao feng su"
-CONFIG_CN_SPEECH_COMMAND_ID4="sheng gao yi du"
-CONFIG_CN_SPEECH_COMMAND_ID5="jiang di yi du"
-CONFIG_CN_SPEECH_COMMAND_ID6="zhi re mo shi"
-CONFIG_CN_SPEECH_COMMAND_ID7="zhi leng mo shi"
-CONFIG_CN_SPEECH_COMMAND_ID8="song feng mo shi"
-CONFIG_CN_SPEECH_COMMAND_ID9="jie neng mo shi"
-CONFIG_CN_SPEECH_COMMAND_ID10="chu shi mo shi"
-CONFIG_CN_SPEECH_COMMAND_ID11="jian kang mo shi"
-CONFIG_CN_SPEECH_COMMAND_ID12="shui mian mo shi"
-CONFIG_CN_SPEECH_COMMAND_ID13="da kai lan ya"
-CONFIG_CN_SPEECH_COMMAND_ID14="guan bi lan ya"
-CONFIG_CN_SPEECH_COMMAND_ID15="kai shi bo fang"
-CONFIG_CN_SPEECH_COMMAND_ID16="zan ting bo fang"
-CONFIG_CN_SPEECH_COMMAND_ID17="ding shi yi xiao shi"
-CONFIG_CN_SPEECH_COMMAND_ID18="da kai dian deng"
-CONFIG_CN_SPEECH_COMMAND_ID19="guan bi dian deng"
+CONFIG_CN_SPEECH_COMMAND_ID0=""
+CONFIG_CN_SPEECH_COMMAND_ID1=""
+CONFIG_CN_SPEECH_COMMAND_ID2=""
+CONFIG_CN_SPEECH_COMMAND_ID3=""
+CONFIG_CN_SPEECH_COMMAND_ID4=""
+CONFIG_CN_SPEECH_COMMAND_ID5=""
+CONFIG_CN_SPEECH_COMMAND_ID6=""
+CONFIG_CN_SPEECH_COMMAND_ID7=""
+CONFIG_CN_SPEECH_COMMAND_ID8=""
+CONFIG_CN_SPEECH_COMMAND_ID9=""
+CONFIG_CN_SPEECH_COMMAND_ID10=""
+CONFIG_CN_SPEECH_COMMAND_ID11=""
+CONFIG_CN_SPEECH_COMMAND_ID12=""
+CONFIG_CN_SPEECH_COMMAND_ID13=""
+CONFIG_CN_SPEECH_COMMAND_ID14=""
+CONFIG_CN_SPEECH_COMMAND_ID15=""
+CONFIG_CN_SPEECH_COMMAND_ID16=""
+CONFIG_CN_SPEECH_COMMAND_ID17=""
+CONFIG_CN_SPEECH_COMMAND_ID18=""
+CONFIG_CN_SPEECH_COMMAND_ID19=""
 CONFIG_CN_SPEECH_COMMAND_ID20=""
 CONFIG_CN_SPEECH_COMMAND_ID21=""
 CONFIG_CN_SPEECH_COMMAND_ID22=""
diff --git a/项目开发日志.md b/项目开发日志.md
index 6eaf6d3..1f48032 100644
--- a/项目开发日志.md
+++ b/项目开发日志.md
@@ -232,3 +232,17 @@
 
 - [x] 2. 试着测试了一下LVGL_GIF渲染+音乐播放+语音识别的组合简单优化后，
           发现lvgl渲染略显卡顿，语音识别有缓冲区空警告，不过无伤大雅，还需要进一步深度优化。
+
+#### Day15 2025.9.19(前两天在忙考研复习)
+##### 主要目标：完成具体业务开发&各种优化
+实际完成任务：
+- [x] 1. 在优化几个主要的任务的CPU占有中，不断的调整任务优先级，效果并不明显，但突然注意到测试的音频为CD级别品质，
+        这种音频一般的MP3解码都非常吃力，而且产品也用不到这种级别的音频，因此只是简单的降低音频品质，
+        从44100Hz降低到16KHz，测试结果表明，音频播放任务CPU占有从30%降低到5%，在测试中，其余几个任务都及时地上CPU运行了
+
+#### Day16 2025.9.23(前两天在忙考研复习)
+##### 主要目标：完成具体业务开发&各种优化
+实际完成任务：
+- [x] 1. 基于cJSON进行了上层现代C++封装，作为脚手架使用
+
+- [x] 2. 在esp32s3剩余的flash当中开辟了一个文件系统，用于保存设备重要配置信息