diff --git a/CMakeLists.txt b/CMakeLists.txt
index bf9086b..5fadba3 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -22,4 +22,6 @@ target_link_libraries(shifter
 
 add_executable(infoer
     Infoer.cpp
-)
\ No newline at end of file
+)
+
+add_subdirectory(Practices)
\ No newline at end of file
diff --git a/CMakePresets.json b/CMakePresets.json
new file mode 100644
index 0000000..b5c81db
--- /dev/null
+++ b/CMakePresets.json
@@ -0,0 +1,15 @@
+{
+    "version": 2,
+    "configurePresets": [
+        {
+            "name": "app",
+            "generator": "Ninja",
+            "binaryDir": "${sourceDir}/build/x64",
+            "cacheVariables": {
+                "CMAKE_TOOLCHAIN_FILE": "${sourceDir}/resources/host.cmake",
+                "CMAKE_EXPORT_COMPILE_COMMANDS": true
+            },
+            "environment": {}
+        }
+    ]
+}
\ No newline at end of file
diff --git a/Practices/CMakeLists.txt b/Practices/CMakeLists.txt
new file mode 100644
index 0000000..6f5db75
--- /dev/null
+++ b/Practices/CMakeLists.txt
@@ -0,0 +1,3 @@
+add_executable(DeviceController
+    DeviceController.cpp
+)
\ No newline at end of file
diff --git a/Practices/DeviceController.cpp b/Practices/DeviceController.cpp
new file mode 100644
index 0000000..0a7d4ba
--- /dev/null
+++ b/Practices/DeviceController.cpp
@@ -0,0 +1,275 @@
+#include <iostream>
+#include <memory>
+#include <string>
+#include <map>
+#include <stdexcept>
+#include <functional>
+
+// 通信策略接口
+class ICommunicationStrategy {
+public:
+    virtual ~ICommunicationStrategy() = default;
+    virtual void sendCommand(const std::string& command, int value) = 0;
+    virtual void connect() = 0;
+    virtual void disconnect() = 0;
+    virtual bool isConnected() const = 0;
+};
+
+// MQTT适配器
+class MQTTAdapter : public ICommunicationStrategy {
+private:
+    std::string brokerUrl;
+    std::string clientId;
+    bool connected = false;
+    
+public:
+    MQTTAdapter(const std::string& broker, const std::string& id) 
+        : brokerUrl(broker), clientId(id) {}
+    
+    void connect() override {
+        // 实现MQTT连接逻辑
+        std::cout << "Connecting to MQTT broker: " << brokerUrl << std::endl;
+        connected = true;
+    }
+    
+    void disconnect() override {
+        // 实现MQTT断开连接逻辑
+        std::cout << "Disconnecting from MQTT broker" << std::endl;
+        connected = false;
+    }
+    
+    void sendCommand(const std::string& command, int value) override {
+        if (!connected) {
+            throw std::runtime_error("MQTT not connected");
+        }
+        std::string topic = "terminal/control/" + command;
+        std::string payload = std::to_string(value);
+        std::cout << "MQTT Publish - Topic: " << topic << ", Payload: " << payload << std::endl;
+        // 实际的MQTT发布逻辑
+    }
+    
+    bool isConnected() const override {
+        return connected;
+    }
+};
+
+// HTTP适配器
+class HTTPAdapter : public ICommunicationStrategy {
+private:
+    std::string baseUrl;
+    bool connected = false;
+    
+public:
+    HTTPAdapter(const std::string& url) : baseUrl(url) {}
+    
+    void connect() override {
+        std::cout << "Initializing HTTP client with base URL: " << baseUrl << std::endl;
+        connected = true;
+    }
+    
+    void disconnect() override {
+        std::cout << "Cleaning up HTTP client" << std::endl;
+        connected = false;
+    }
+    
+    void sendCommand(const std::string& command, int value) override {
+        if (!connected) {
+            throw std::runtime_error("HTTP client not initialized");
+        }
+        std::string url = baseUrl + "/api/control/" + command;
+        std::cout << "HTTP POST - URL: " << url << ", Value: " << value << std::endl;
+        // 实际的HTTP POST请求逻辑
+    }
+    
+    bool isConnected() const override {
+        return connected;
+    }
+};
+
+// WebSocket适配器
+class WebSocketAdapter : public ICommunicationStrategy {
+private:
+    std::string wsUrl;
+    bool connected = false;
+    
+public:
+    WebSocketAdapter(const std::string& url) : wsUrl(url) {}
+    
+    void connect() override {
+        std::cout << "Connecting to WebSocket: " << wsUrl << std::endl;
+        connected = true;
+    }
+    
+    void disconnect() override {
+        std::cout << "Disconnecting WebSocket" << std::endl;
+        connected = false;
+    }
+    
+    void sendCommand(const std::string& command, int value) override {
+        if (!connected) {
+            throw std::runtime_error("WebSocket not connected");
+        }
+        std::string message = "{\"command\":\"" + command + "\",\"value\":" + std::to_string(value) + "}";
+        std::cout << "WebSocket Send: " << message << std::endl;
+        // 实际的WebSocket发送逻辑
+    }
+    
+    bool isConnected() const override {
+        return connected;
+    }
+};
+
+// TCP适配器
+class TCPAdapter : public ICommunicationStrategy {
+private:
+    std::string host;
+    int port;
+    int socketFd = -1;
+    
+public:
+    TCPAdapter(const std::string& h, int p) : host(h), port(p) {}
+    
+    void connect() override {
+        std::cout << "Connecting TCP to " << host << ":" << port << std::endl;
+        // 实际的TCP连接逻辑
+        socketFd = 1; // 模拟连接成功
+    }
+    
+    void disconnect() override {
+        std::cout << "Disconnecting TCP" << std::endl;
+        socketFd = -1;
+    }
+    
+    void sendCommand(const std::string& command, int value) override {
+        if (socketFd < 0) {
+            throw std::runtime_error("TCP not connected");
+        }
+        std::string data = command + ":" + std::to_string(value) + "\n";
+        std::cout << "TCP Send: " << data;
+        // 实际的TCP发送逻辑
+    }
+    
+    bool isConnected() const override {
+        return socketFd >= 0;
+    }
+};
+
+// 配置结构体
+struct Config {
+    std::map<std::string, std::string> params;
+};
+
+// 工厂类
+class CommunicationFactory {
+public:
+    static std::unique_ptr<ICommunicationStrategy> createStrategy(
+        const std::string& type, 
+        const Config& config) {
+        
+        if (type == "mqtt") {
+            auto it = config.params.find("broker");
+            std::string broker = (it != config.params.end()) ? it->second : "tcp://localhost:1883";
+            it = config.params.find("clientId");
+            std::string clientId = (it != config.params.end()) ? it->second : "terminal_default";
+            return std::make_unique<MQTTAdapter>(broker, clientId);
+        }
+        else if (type == "http") {
+            auto it = config.params.find("baseUrl");
+            std::string baseUrl = (it != config.params.end()) ? it->second : "http://localhost:8080";
+            return std::make_unique<HTTPAdapter>(baseUrl);
+        }
+        else if (type == "websocket") {
+            auto it = config.params.find("url");
+            std::string url = (it != config.params.end()) ? it->second : "ws://localhost:8081";
+            return std::make_unique<WebSocketAdapter>(url);
+        }
+        else if (type == "tcp") {
+            auto it = config.params.find("host");
+            std::string host = (it != config.params.end()) ? it->second : "localhost";
+            it = config.params.find("port");
+            int port = (it != config.params.end()) ? std::stoi(it->second) : 8082;
+            return std::make_unique<TCPAdapter>(host, port);
+        }
+        else {
+            throw std::invalid_argument("Unsupported communication type: " + type);
+        }
+    }
+};
+
+// 终端控制器
+class TerminalController {
+private:
+    std::unique_ptr<ICommunicationStrategy> strategy;
+    
+public:
+    void setStrategy(std::unique_ptr<ICommunicationStrategy> newStrategy) {
+        if (strategy && strategy->isConnected()) {
+            strategy->disconnect();
+        }
+        strategy = std::move(newStrategy);
+        if (strategy) {
+            strategy->connect();
+        }
+    }
+    
+    void controlVolume(int volume) {
+        if (!strategy) {
+            throw std::runtime_error("No communication strategy set");
+        }
+        strategy->sendCommand("volume", volume);
+    }
+    
+    void controlBrightness(int brightness) {
+        if (!strategy) {
+            throw std::runtime_error("No communication strategy set");
+        }
+        strategy->sendCommand("brightness", brightness);
+    }
+};
+
+// 使用示例
+int main() {
+    try {
+        TerminalController controller;
+        
+        // 使用MQTT协议
+        Config mqttConfig;
+        mqttConfig.params["broker"] = "tcp://mqtt.example.com:1883";
+        mqttConfig.params["clientId"] = "terminal_001";
+        
+        controller.setStrategy(CommunicationFactory::createStrategy("mqtt", mqttConfig));
+        controller.controlVolume(80);
+        controller.controlBrightness(60);
+        
+        // 切换到HTTP协议
+        Config httpConfig;
+        httpConfig.params["baseUrl"] = "http://192.168.1.100:8080";
+        
+        controller.setStrategy(CommunicationFactory::createStrategy("http", httpConfig));
+        controller.controlVolume(75);
+        controller.controlBrightness(70);
+        
+        // 切换到WebSocket协议
+        Config wsConfig;
+        wsConfig.params["url"] = "ws://192.168.1.100:8081/ws";
+        
+        controller.setStrategy(CommunicationFactory::createStrategy("websocket", wsConfig));
+        controller.controlVolume(85);
+        controller.controlBrightness(65);
+        
+        // 切换到TCP协议
+        Config tcpConfig;
+        tcpConfig.params["host"] = "192.168.1.100";
+        tcpConfig.params["port"] = "8082";
+        
+        controller.setStrategy(CommunicationFactory::createStrategy("tcp", tcpConfig));
+        controller.controlVolume(90);
+        controller.controlBrightness(75);
+        
+    } catch (const std::exception& e) {
+        std::cerr << "Error: " << e.what() << std::endl;
+        return 1;
+    }
+    
+    return 0;
+}
\ No newline at end of file
diff --git a/resources/host.cmake b/resources/host.cmake
new file mode 100644
index 0000000..da7d446
--- /dev/null
+++ b/resources/host.cmake
@@ -0,0 +1,8 @@
+set(3RDPARTY_ROOT /opt/3rdparty)
+set(MbedTLS_DIR ${3RDPARTY_ROOT}/mbedtls-3.6.5/lib/cmake/MbedTLS)
+set(nng_DIR ${3RDPARTY_ROOT}/nng-1.11/lib/cmake/nng)
+set(BOOST_ROOT ${3RDPARTY_ROOT}/boost_1_90_0)
+
+
+set(Qt6_DIR /opt/Qt/6.10.0/gcc_64/lib/cmake/Qt6)
+set(QT_DIR ${Qt6_DIR})
\ No newline at end of file