diff --git a/ChallengeTest.java b/ChallengeTest.java
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+++ b/ChallengeTest.java
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+/**
+ * 挑战题测试类
+ * 测试智能家电接口体系和动态设备管理系统
+ */
+public class ChallengeTest {
+    public static void main(String[] args) {
+        System.out.println("===== 挑战题测试 - 智能家电接口体系和动态设备管理 =====");
+        
+        // 创建动态设备管理系统
+        DeviceManager manager = new DeviceManager("Smart Home Manager");
+        
+        // 创建各种智能家电
+        Device airConditioner = new SmartAirConditioner("Bedroom AC");
+        Device livingRoomLight = new SmartLight("Living Room Light");
+        Device kitchenLight = new SmartLight("Kitchen Light");
+        Device smartTV = new SmartTV("Living Room TV");
+        
+        // 添加设备到管理系统
+        manager.addDevice(airConditioner);
+        manager.addDevice(livingRoomLight);
+        manager.addDevice(kitchenLight);
+        manager.addDevice(smartTV);
+        
+        // 列出所有设备
+        manager.listAllDevices();
+        
+        // 打开所有设备
+        System.out.println("\n打开所有设备:");
+        manager.turnOnAllDevices();
+        
+        // 测试特定功能
+        System.out.println("\n测试特定设备功能:");
+        
+        // 测试空调温度调节
+        if (airConditioner instanceof TemperatureAdjustable) {
+            TemperatureAdjustable tempDevice = (TemperatureAdjustable) airConditioner;
+            tempDevice.setTemperature(22);
+            tempDevice.increaseTemperature(1);
+        }
+        
+        // 测试灯光亮度调节
+        if (livingRoomLight instanceof BrightnessAdjustable) {
+            BrightnessAdjustable brightDevice = (BrightnessAdjustable) livingRoomLight;
+            brightDevice.setBrightness(80);
+        }
+        
+        // 测试电视的多种功能
+        if (smartTV instanceof SmartTV) {
+            SmartTV tv = (SmartTV) smartTV;
+            tv.play("Netflix - 电影");
+            tv.setTimer(60);
+            System.out.println("电视定时器剩余时间: " + tv.getRemainingTime() + " 分钟");
+            tv.pause();
+            tv.increaseBrightness(10);
+        }
+        
+        // 使用设备管理器的批量功能
+        System.out.println("\n使用批量管理功能:");
+        manager.setTemperatureForAll(24); // 设置所有温控设备为24度
+        manager.setBrightnessForAll(60); // 设置所有灯光为60%亮度
+        
+        // 列出设备当前状态
+        System.out.println("\n更新后的设备状态:");
+        manager.listAllDevices();
+        
+        // 关闭所有设备
+        System.out.println("\n关闭所有设备:");
+        manager.turnOffAllDevices();
+    }
+}
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