diff --git a/app/src/main/java/com/ouxuan/oxface/device/DeviceType7Manager.java b/app/src/main/java/com/ouxuan/oxface/device/DeviceType7Manager.java
new file mode 100644
index 0000000..29b37af
--- /dev/null
+++ b/app/src/main/java/com/ouxuan/oxface/device/DeviceType7Manager.java
@@ -0,0 +1,687 @@
+package com.ouxuan.oxface.device;
+
+import android.content.Context;
+import android.os.RemoteException;
+import android.util.Log;
+
+import com.ouxuan.oxface.utils.LogManager;
+
+import android.os.yx.IYxGpioListener;
+import android.os.yx.YxDeviceManager;
+
+/**
+ * 第七批设备管理器
+ * 封装YxDeviceManager的所有功能，包括APK管理、系统控制、硬件控制等
+ *
+ * @author Oxuan
+ * @version 1.0
+ * @date 2025/09/25
+ */
+public class DeviceType7Manager {
+
+    private static final String TAG = "DeviceType7Manager";
+
+    // YxDeviceManager实例
+    private YxDeviceManager yxApiInstance;
+    private Context context;
+
+    // GPIO常量定义
+    public static final class YxGpioConstants {
+        public static final int GPIO_RELAY = 88;
+        public static final int GPIO_WB = 4;      // 微波
+        public static final int GPIO_MC = 114;    // 门磁
+        public static final int GPIO_EXIT_SWITCH = 115; // 退出开关
+        public static final int GPIO_IO1 = 114;
+        public static final int GPIO_IO2 = 115;
+
+        public static final int GPIO_DIRECTION_OUTPUT = 0;
+        public static final int GPIO_DIRECTION_INPUT = 1;
+
+        public static final class GpioState {
+            public static final int LOW = 0;
+            public static final int HIGH = 1;
+        }
+    }
+
+    // 补光灯控制常量
+    public static final class LightConstants {
+        public static final String LIGHT_RED_ON = "lightron";
+        public static final String LIGHT_RED_OFF = "lightroff";
+        public static final String LIGHT_GREEN_ON = "lightgon";
+        public static final String LIGHT_GREEN_OFF = "lightgoff";
+        public static final String LIGHT_WHITE_ON = "lightbon";
+        public static final String LIGHT_WHITE_OFF = "lightboff";
+    }
+
+    // 单例实例
+    private static volatile DeviceType7Manager instance;
+
+    private DeviceType7Manager() {
+    }
+
+    /**
+     * 获取DeviceType7Manager单例实例
+     * @return DeviceType7Manager实例
+     */
+    public static DeviceType7Manager getInstance() {
+        if (instance == null) {
+            synchronized (DeviceType7Manager.class) {
+                if (instance == null) {
+                    instance = new DeviceType7Manager();
+                }
+            }
+        }
+        return instance;
+    }
+
+    /**
+     * 初始化YxDeviceManager
+     * @param context Android上下文
+     * @return 是否初始化成功
+     */
+    public boolean init(Context context) {
+        this.context = context;
+        try {
+            yxApiInstance = YxDeviceManager.getInstance(context);
+            LogManager.logInfo(TAG, "YxDeviceManager初始化成功");
+            return true;
+        } catch (Exception e) {
+            LogManager.logError(TAG, "YxDeviceManager初始化失败", e);
+            return false;
+        }
+    }
+
+    /**
+     * 检查是否已初始化
+     * @return 是否已初始化
+     */
+    private boolean isInitialized() {
+        return yxApiInstance != null && context != null;
+    }
+
+    // ==================== APK管理功能 ====================
+
+    /**
+     * 静默安装APK
+     * @param apkPath APK文件绝对路径
+     * @param start 安装完成后是否自动启动
+     * @return 是否成功
+     */
+    public boolean silentInstallApk(String apkPath, boolean start) {
+        if (!isInitialized()) {
+            LogManager.logError(TAG, "YxDeviceManager未初始化");
+            return false;
+        }
+
+        try {
+            yxApiInstance.silentInstallApk(apkPath, start);
+            LogManager.logInfo(TAG, "APK静默安装成功: " + apkPath + ", 自动启动: " + start);
+            return true;
+        } catch (Exception e) {
+            LogManager.logError(TAG, "APK静默安装失败: " + apkPath, e);
+            return false;
+        }
+    }
+
+    /**
+     * 静默卸载APK
+     * @param packageName APK包名
+     * @return 是否成功
+     */
+    public boolean unInstallApk(String packageName) {
+        if (!isInitialized()) {
+            LogManager.logError(TAG, "YxDeviceManager未初始化");
+            return false;
+        }
+
+        try {
+            yxApiInstance.unInstallApk(packageName);
+            LogManager.logInfo(TAG, "APK静默卸载成功: " + packageName);
+            return true;
+        } catch (Exception e) {
+            LogManager.logError(TAG, "APK静默卸载失败: " + packageName, e);
+            return false;
+        }
+    }
+
+    // ==================== 系统功能 ====================
+
+    /**
+     * 写入设备SN号
+     * @param sn SN号
+     * @return 是否成功
+     */
+    public boolean setDeviceSerialno(String sn) {
+        if (!isInitialized()) {
+            LogManager.logError(TAG, "YxDeviceManager未初始化");
+            return false;
+        }
+
+        try {
+            int result = yxApiInstance.setDeviceSerialno(sn);
+            boolean success = (result != -1);
+            if (success) {
+                LogManager.logInfo(TAG, "设备SN写入成功: " + sn);
+            } else {
+                LogManager.logError(TAG, "设备SN写入失败: " + sn);
+            }
+            return success;
+        } catch (Exception e) {
+            LogManager.logError(TAG, "设备SN写入异常: " + sn, e);
+            return false;
+        }
+    }
+
+    /**
+     * 写入设备Mac地址
+     * @param mac Mac地址
+     * @return 是否成功
+     */
+    public boolean setDeviceMacaddress(String mac) {
+        if (!isInitialized()) {
+            LogManager.logError(TAG, "YxDeviceManager未初始化");
+            return false;
+        }
+
+        try {
+            int result = yxApiInstance.setDeviceMacaddress(mac);
+            boolean success = (result != -1);
+            if (success) {
+                LogManager.logInfo(TAG, "设备Mac地址写入成功: " + mac);
+            } else {
+                LogManager.logError(TAG, "设备Mac地址写入失败: " + mac);
+            }
+            return success;
+        } catch (Exception e) {
+            LogManager.logError(TAG, "设备Mac地址写入异常: " + mac, e);
+            return false;
+        }
+    }
+
+    /**
+     * 获取设备SN号
+     * @return SN号，失败返回null
+     */
+    public String getSerialno() {
+        if (!isInitialized()) {
+            LogManager.logError(TAG, "YxDeviceManager未初始化");
+            return null;
+        }
+
+        try {
+            String sn = yxApiInstance.getSerialno();
+            LogManager.logInfo(TAG, "获取设备SN成功: " + sn);
+            return sn;
+        } catch (Exception e) {
+            LogManager.logError(TAG, "获取设备SN失败", e);
+            return null;
+        }
+    }
+
+    /**
+     * 关机
+     * @return 是否成功
+     */
+    public boolean shutDownNow() {
+        if (!isInitialized()) {
+            LogManager.logError(TAG, "YxDeviceManager未初始化");
+            return false;
+        }
+
+        try {
+            int result = yxApiInstance.shutDownNow();
+            boolean success = (result != -1);
+            if (success) {
+                LogManager.logInfo(TAG, "设备关机成功");
+            } else {
+                LogManager.logError(TAG, "设备关机失败");
+            }
+            return success;
+        } catch (Exception e) {
+            LogManager.logError(TAG, "设备关机异常", e);
+            return false;
+        }
+    }
+
+    /**
+     * 重启
+     * @return 是否成功
+     */
+    public boolean rebootNow() {
+        if (!isInitialized()) {
+            LogManager.logError(TAG, "YxDeviceManager未初始化");
+            return false;
+        }
+
+        try {
+            int result = yxApiInstance.rebootNow();
+            boolean success = (result != -1);
+            if (success) {
+                LogManager.logInfo(TAG, "设备重启成功");
+            } else {
+                LogManager.logError(TAG, "设备重启失败");
+            }
+            return success;
+        } catch (Exception e) {
+            LogManager.logError(TAG, "设备重启异常", e);
+            return false;
+        }
+    }
+
+    /**
+     * 设置系统时间
+     * @param timestamp 时间戳
+     */
+    public void setSystemTime(long timestamp) {
+        if (!isInitialized()) {
+            LogManager.logError(TAG, "YxDeviceManager未初始化");
+            return;
+        }
+
+        try {
+            yxApiInstance.setSystemTime(timestamp);
+            LogManager.logInfo(TAG, "系统时间设置成功: " + timestamp);
+        } catch (Exception e) {
+            LogManager.logError(TAG, "系统时间设置失败: " + timestamp, e);
+        }
+    }
+
+    /**
+     * 启用看门狗
+     */
+    public void enableWatchdog() {
+        if (!isInitialized()) {
+            LogManager.logError(TAG, "YxDeviceManager未初始化");
+            return;
+        }
+
+        try {
+            yxApiInstance.enableWatchdog();
+            LogManager.logInfo(TAG, "看门狗启用成功");
+        } catch (Exception e) {
+            LogManager.logError(TAG, "看门狗启用失败", e);
+        }
+    }
+
+    /**
+     * 应用层喂狗
+     */
+    public void feedWatchdog() {
+        if (!isInitialized()) {
+            LogManager.logError(TAG, "YxDeviceManager未初始化");
+            return;
+        }
+
+        try {
+            yxApiInstance.feedWatchdog();
+            LogManager.logInfo(TAG, "喂狗成功");
+        } catch (Exception e) {
+            LogManager.logError(TAG, "喂狗失败", e);
+        }
+    }
+
+    /**
+     * 停用看门狗
+     */
+    public void disableWatchdog() {
+        if (!isInitialized()) {
+            LogManager.logError(TAG, "YxDeviceManager未初始化");
+            return;
+        }
+
+        try {
+            yxApiInstance.disableWatchdog();
+            LogManager.logInfo(TAG, "看门狗停用成功");
+        } catch (Exception e) {
+            LogManager.logError(TAG, "看门狗停用失败", e);
+        }
+    }
+
+    /**
+     * 获取设备IMEI号
+     * @return IMEI号，失败返回null
+     */
+    public String getTelephonyImei() {
+        if (!isInitialized()) {
+            LogManager.logError(TAG, "YxDeviceManager未初始化");
+            return null;
+        }
+
+        try {
+            String imei = yxApiInstance.getTelephonyImei();
+            LogManager.logInfo(TAG, "获取设备IMEI成功: " + imei);
+            return imei;
+        } catch (Exception e) {
+            LogManager.logError(TAG, "获取设备IMEI失败", e);
+            return null;
+        }
+    }
+
+    /**
+     * 获取sim卡iccid
+     * @return ICCID，失败返回null
+     */
+    public String getSimSerialNumber() {
+        if (!isInitialized()) {
+            LogManager.logError(TAG, "YxDeviceManager未初始化");
+            return null;
+        }
+
+        try {
+            String iccid = yxApiInstance.getSimSerialNumber();
+            LogManager.logInfo(TAG, "获取sim卡ICCID成功: " + iccid);
+            return iccid;
+        } catch (Exception e) {
+            LogManager.logError(TAG, "获取sim卡ICCID失败", e);
+            return null;
+        }
+    }
+
+    /**
+     * 设置状态栏显示隐藏
+     * @param show true显示，false隐藏
+     */
+    public void setStaBar(boolean show) {
+        if (!isInitialized()) {
+            LogManager.logError(TAG, "YxDeviceManager未初始化");
+            return;
+        }
+
+        try {
+            yxApiInstance.setStaBar(show);
+            LogManager.logInfo(TAG, "状态栏设置成功: " + (show ? "显示" : "隐藏"));
+        } catch (Exception e) {
+            LogManager.logError(TAG, "状态栏设置失败: " + (show ? "显示" : "隐藏"), e);
+        }
+    }
+
+    /**
+     * 设置导航栏显示隐藏
+     * @param show true显示，false隐藏
+     */
+    public void setNavBar(boolean show) {
+        if (!isInitialized()) {
+            LogManager.logError(TAG, "YxDeviceManager未初始化");
+            return;
+        }
+
+        try {
+            yxApiInstance.setNavBar(show);
+            LogManager.logInfo(TAG, "导航栏设置成功: " + (show ? "显示" : "隐藏"));
+        } catch (Exception e) {
+            LogManager.logError(TAG, "导航栏设置失败: " + (show ? "显示" : "隐藏"), e);
+        }
+    }
+
+    // ==================== 硬件功能 - GPIO ====================
+
+    /**
+     * 设置GPIO方向
+     * @param gpio GPIO编号
+     * @param direction 方向（0输出，1输入）
+     * @return 是否成功
+     */
+    public boolean setGpioDirection(int gpio, int direction) {
+        if (!isInitialized()) {
+            LogManager.logError(TAG, "YxDeviceManager未初始化");
+            return false;
+        }
+
+        try {
+            boolean success = yxApiInstance.setGpioDirection(gpio, direction);
+            if (success) {
+                LogManager.logInfo(TAG, "GPIO方向设置成功 - GPIO: " + gpio + ", 方向: " + (direction == 0 ? "输出" : "输入"));
+            } else {
+                LogManager.logError(TAG, "GPIO方向设置失败 - GPIO: " + gpio);
+            }
+            return success;
+        } catch (Exception e) {
+            LogManager.logError(TAG, "GPIO方向设置异常 - GPIO: " + gpio, e);
+            return false;
+        }
+    }
+
+    /**
+     * 获取GPIO方向
+     * @param gpio GPIO编号
+     * @return 方向字符串，失败返回null
+     */
+    public String getGpioDirection(int gpio) {
+        if (!isInitialized()) {
+            LogManager.logError(TAG, "YxDeviceManager未初始化");
+            return null;
+        }
+
+        try {
+            String direction = yxApiInstance.getGpioDirection(gpio);
+            LogManager.logInfo(TAG, "获取GPIO方向成功 - GPIO: " + gpio + ", 方向: " + direction);
+            return direction;
+        } catch (Exception e) {
+            LogManager.logError(TAG, "获取GPIO方向失败 - GPIO: " + gpio, e);
+            return null;
+        }
+    }
+
+    /**
+     * 获取GPIO值
+     * @param gpio GPIO编号
+     * @return GPIO值（-1失败，0低，1高）
+     */
+    public int getGpioValue(int gpio) {
+        if (!isInitialized()) {
+            LogManager.logError(TAG, "YxDeviceManager未初始化");
+            return -1;
+        }
+
+        try {
+            int value = yxApiInstance.getGpioValue(gpio);
+            LogManager.logInfo(TAG, "获取GPIO值成功 - GPIO: " + gpio + ", 值: " + value);
+            return value;
+        } catch (Exception e) {
+            LogManager.logError(TAG, "获取GPIO值失败 - GPIO: " + gpio, e);
+            return -1;
+        }
+    }
+
+    /**
+     * 设置GPIO值
+     * @param gpio GPIO编号
+     * @param value 值（0低，1高）
+     * @return 是否成功
+     */
+    public boolean setGpioValue(int gpio, int value) {
+        if (!isInitialized()) {
+            LogManager.logError(TAG, "YxDeviceManager未初始化");
+            return false;
+        }
+
+        try {
+            int result = yxApiInstance.setGpioValue(gpio, value);
+            boolean success = (result != -1);
+            if (success) {
+                LogManager.logInfo(TAG, "设置GPIO值成功 - GPIO: " + gpio + ", 值: " + value);
+            } else {
+                LogManager.logError(TAG, "设置GPIO值失败 - GPIO: " + gpio);
+            }
+            return success;
+        } catch (Exception e) {
+            LogManager.logError(TAG, "设置GPIO值异常 - GPIO: " + gpio, e);
+            return false;
+        }
+    }
+
+    /**
+     * 注册GPIO监听器
+     * @param listener 监听器
+     * @param gpio GPIO编号
+     * @return 是否成功
+     */
+    public boolean registerGpioListener(IYxGpioListener listener, int gpio) {
+        if (!isInitialized()) {
+            LogManager.logError(TAG, "YxDeviceManager未初始化");
+            return false;
+        }
+
+        try {
+            yxApiInstance.register(listener, gpio);
+            LogManager.logInfo(TAG, "GPIO监听器注册成功 - GPIO: " + gpio);
+            return true;
+        } catch (Exception e) {
+            LogManager.logError(TAG, "GPIO监听器注册失败 - GPIO: " + gpio, e);
+            return false;
+        }
+    }
+
+    // ==================== 硬件功能 - 补光灯 ====================
+
+    /**
+     * 控制补光灯
+     * @param command 控制命令
+     */
+    public void controlLight(String command) {
+        if (!isInitialized()) {
+            LogManager.logError(TAG, "YxDeviceManager未初始化");
+            return;
+        }
+
+        try {
+            yxApiInstance.setOemFunc(command);
+            LogManager.logInfo(TAG, "补光灯控制成功: " + command);
+        } catch (Exception e) {
+            LogManager.logError(TAG, "补光灯控制失败: " + command, e);
+        }
+    }
+
+    /**
+     * 红灯亮
+     */
+    public void turnOnRedLight() {
+        controlLight(LightConstants.LIGHT_RED_ON);
+    }
+
+    /**
+     * 红灯灭
+     */
+    public void turnOffRedLight() {
+        controlLight(LightConstants.LIGHT_RED_OFF);
+    }
+
+    /**
+     * 绿灯亮
+     */
+    public void turnOnGreenLight() {
+        controlLight(LightConstants.LIGHT_GREEN_ON);
+    }
+
+    /**
+     * 绿灯灭
+     */
+    public void turnOffGreenLight() {
+        controlLight(LightConstants.LIGHT_GREEN_OFF);
+    }
+
+    /**
+     * 白灯亮
+     */
+    public void turnOnWhiteLight() {
+        controlLight(LightConstants.LIGHT_WHITE_ON);
+    }
+
+    /**
+     * 白灯灭
+     */
+    public void turnOffWhiteLight() {
+        controlLight(LightConstants.LIGHT_WHITE_OFF);
+    }
+
+    // ==================== 硬件功能 - 继电器 ====================
+
+    /**
+     * 开启继电器
+     * @return 是否成功
+     */
+    public boolean openRelay() {
+        // 设置GPIO为输出模式
+        if (!setGpioDirection(YxGpioConstants.GPIO_RELAY, YxGpioConstants.GPIO_DIRECTION_OUTPUT)) {
+            return false;
+        }
+
+        // 设置为高电平
+        return setGpioValue(YxGpioConstants.GPIO_RELAY, YxGpioConstants.GpioState.HIGH);
+    }
+
+    /**
+     * 关闭继电器
+     * @return 是否成功
+     */
+    public boolean closeRelay() {
+        // 设置GPIO为输出模式
+        if (!setGpioDirection(YxGpioConstants.GPIO_RELAY, YxGpioConstants.GPIO_DIRECTION_OUTPUT)) {
+            return false;
+        }
+
+        // 设置为低电平
+        return setGpioValue(YxGpioConstants.GPIO_RELAY, YxGpioConstants.GpioState.LOW);
+    }
+
+    /**
+     * 获取继电器状态
+     * @return true开启，false关闭，null失败
+     */
+    public Boolean getRelayStatus() {
+        int value = getGpioValue(YxGpioConstants.GPIO_RELAY);
+        if (value == -1) {
+            return null;
+        }
+        return value == YxGpioConstants.GpioState.HIGH;
+    }
+
+    // ==================== 硬件功能 - 传感器 ====================
+
+    /**
+     * 获取微波传感器状态
+     * @return true有人，false无人，null失败
+     */
+    public Boolean getMicrowaveStatus() {
+        int value = getGpioValue(YxGpioConstants.GPIO_WB);
+        if (value == -1) {
+            return null;
+        }
+        return value == YxGpioConstants.GpioState.HIGH;
+    }
+
+    /**
+     * 获取门磁传感器状态
+     * @return true开门，false关门，null失败
+     */
+    public Boolean getDoorMagnetStatus() {
+        int value = getGpioValue(YxGpioConstants.GPIO_MC);
+        if (value == -1) {
+            return null;
+        }
+        return value == YxGpioConstants.GpioState.HIGH;
+    }
+
+    /**
+     * 获取退出开关状态
+     * @return true按下，false未按下，null失败
+     */
+    public Boolean getExitSwitchStatus() {
+        int value = getGpioValue(YxGpioConstants.GPIO_EXIT_SWITCH);
+        if (value == -1) {
+            return null;
+        }
+        return value == YxGpioConstants.GpioState.HIGH;
+    }
+
+    // ==================== 释放资源 ====================
+
+    /**
+     * 释放资源
+     */
+    public void release() {
+        yxApiInstance = null;
+        context = null;
+        LogManager.logInfo(TAG, "DeviceType7Manager资源已释放");
+    }
+}
\ No newline at end of file
diff --git a/app/src/main/java/com/ouxuan/oxface/device/RelayController.java b/app/src/main/java/com/ouxuan/oxface/device/RelayController.java
index cdef846..9638957 100644
--- a/app/src/main/java/com/ouxuan/oxface/device/RelayController.java
+++ b/app/src/main/java/com/ouxuan/oxface/device/RelayController.java
@@ -1,5 +1,6 @@
 package com.ouxuan.oxface.device;
 
+import android.content.Context;
 import android.os.Handler;
 import android.os.Looper;
 import android.util.Log;
@@ -40,6 +41,7 @@ public class RelayController {
     // 设备类型
     public static final String PAD_TYPE_DEFAULT = "pad_default";
     public static final String PAD_TYPE_TWO = "pad_two";
+    public static final String PAD_TYPE_SEVEN = "pad_seven";
     
     // 单例实例
     private static volatile RelayController instance;
@@ -47,11 +49,39 @@ public class RelayController {
     // Handler用于延时操作
     private Handler handler;
     
+    // 第七批设备管理器
+    private DeviceType7Manager deviceType7Manager;
+    
     private RelayController() {
         handler = new Handler(Looper.getMainLooper());
     }
     
     /**
+     * 初始化第七批设备管理器
+     * @param context Android上下文
+     * @return 是否初始化成功
+     */
+    public boolean initDeviceType7Manager(Context context) {
+        deviceType7Manager = DeviceType7Manager.getInstance();
+        boolean success = deviceType7Manager.init(context);
+        if (success) {
+            LogManager.logInfo(TAG, "第七批设备管理器初始化成功");
+        } else {
+            LogManager.logError(TAG, "第七批设备管理器初始化失败");
+        }
+        return success;
+    }
+    
+    /**
+     * 获取当前设备类型（需要根据实际情况实现）
+     * @return 设备类型
+     */
+    private String getCurrentPadType() {
+        // TODO: 根据设备信息返回正确的类型，这里暂时返回默认
+        return PAD_TYPE_DEFAULT;
+    }
+    
+    /**
      * 获取RelayController单例实例
      * @return RelayController实例
      */
@@ -71,20 +101,27 @@ public class RelayController {
      * @param padType 设备类型
      */
     private void setGpioDirection(String padType) {
-        FileOutputStream fos = null;
-        try {
-            String directionPath = PAD_TYPE_TWO.equals(padType) ? PWM_FLASH_OUT_2 : PWM_FLASH_OUT;
-            fos = new FileOutputStream(directionPath);
-            fos.write(GPIO_OUT);
-            LogManager.logInfo(TAG, "GPIO方向设置为输出模式成功, 设备类型: " + padType);
-        } catch (Exception e) {
-            LogManager.logError(TAG, "设置GPIO方向失败", e);
-        } finally {
-            if (fos != null) {
-                try {
-                    fos.close();
-                } catch (IOException e) {
-                    LogManager.logError(TAG, "关闭FileOutputStream失败", e);
+        if (PAD_TYPE_SEVEN.equals(padType) && deviceType7Manager != null) {
+            // 第七批设备使用DeviceType7Manager
+            deviceType7Manager.setGpioDirection(DeviceType7Manager.YxGpioConstants.GPIO_RELAY,
+                                               DeviceType7Manager.YxGpioConstants.GPIO_DIRECTION_OUTPUT);
+        } else {
+            // 其他设备使用文件操作
+            FileOutputStream fos = null;
+            try {
+                String directionPath = PAD_TYPE_TWO.equals(padType) ? PWM_FLASH_OUT_2 : PWM_FLASH_OUT;
+                fos = new FileOutputStream(directionPath);
+                fos.write(GPIO_OUT);
+                LogManager.logInfo(TAG, "GPIO方向设置为输出模式成功, 设备类型: " + padType);
+            } catch (Exception e) {
+                LogManager.logError(TAG, "设置GPIO方向失败", e);
+            } finally {
+                if (fos != null) {
+                    try {
+                        fos.close();
+                    } catch (IOException e) {
+                        LogManager.logError(TAG, "关闭FileOutputStream失败", e);
+                    }
                 }
             }
         }
@@ -120,22 +157,36 @@ public class RelayController {
      * @return GPIO值字符串，失败返回null
      */
     public String readGpioValue(String padType) {
-        BufferedReader reader = null;
-        try {
-            String valuePath = PAD_TYPE_TWO.equals(padType) ? PWM_FLASH_2 : PWM_FLASH;
-            reader = new BufferedReader(new FileReader(valuePath));
-            String value = reader.readLine();
-            LogManager.logInfo(TAG, "读取GPIO值成功: " + value + ", 设备类型: " + padType);
-            return value;
-        } catch (IOException e) {
-            LogManager.logError(TAG, "读取GPIO值失败", e);
-            return null;
-        } finally {
-            if (reader != null) {
-                try {
-                    reader.close();
-                } catch (IOException e) {
-                    LogManager.logError(TAG, "关闭BufferedReader失败", e);
+        if (PAD_TYPE_SEVEN.equals(padType) && deviceType7Manager != null) {
+            // 第七批设备使用DeviceType7Manager
+            int value = deviceType7Manager.getGpioValue(DeviceType7Manager.YxGpioConstants.GPIO_RELAY);
+            if (value == -1) {
+                LogManager.logError(TAG, "DeviceType7Manager读取GPIO值失败");
+                return null;
+            } else {
+                String strValue = String.valueOf(value);
+                LogManager.logInfo(TAG, "DeviceType7Manager读取GPIO值成功: " + strValue);
+                return strValue;
+            }
+        } else {
+            // 其他设备使用文件操作
+            BufferedReader reader = null;
+            try {
+                String valuePath = PAD_TYPE_TWO.equals(padType) ? PWM_FLASH_2 : PWM_FLASH;
+                reader = new BufferedReader(new FileReader(valuePath));
+                String value = reader.readLine();
+                LogManager.logInfo(TAG, "读取GPIO值成功: " + value + ", 设备类型: " + padType);
+                return value;
+            } catch (IOException e) {
+                LogManager.logError(TAG, "读取GPIO值失败", e);
+                return null;
+            } finally {
+                if (reader != null) {
+                    try {
+                        reader.close();
+                    } catch (IOException e) {
+                        LogManager.logError(TAG, "关闭BufferedReader失败", e);
+                    }
                 }
             }
         }
@@ -148,35 +199,48 @@ public class RelayController {
      * @return 是否成功
      */
     private boolean writeGpioValue(byte[] value, String padType) {
-        FileOutputStream fos = null;
-        try {
-            String valuePath = PAD_TYPE_TWO.equals(padType) ? PWM_FLASH_2 : PWM_FLASH;
-            fos = new FileOutputStream(valuePath);
-            fos.write(value);
-            return true;
-        } catch (Exception e) {
-            if (e instanceof IOException) {
-                // 如果写入失败，尝试设置GPIO方向后重试
-                LogManager.logWarning(TAG, "GPIO写入失败，尝试设置方向后重试");
-                setGpioDirection(padType);
-                try {
-                    if (fos != null) {
-                        fos.write(value);
-                        return true;
-                    }
-                } catch (IOException ioException) {
-                    LogManager.logError(TAG, "重试写入GPIO值失败", ioException);
-                }
+        if (PAD_TYPE_SEVEN.equals(padType) && deviceType7Manager != null) {
+            // 第七批设备使用DeviceType7Manager
+            int gpioValue = (value[0] == '1') ? DeviceType7Manager.YxGpioConstants.GpioState.HIGH : DeviceType7Manager.YxGpioConstants.GpioState.LOW;
+            boolean success = deviceType7Manager.setGpioValue(DeviceType7Manager.YxGpioConstants.GPIO_RELAY, gpioValue);
+            if (success) {
+                LogManager.logInfo(TAG, "DeviceType7Manager写入GPIO值成功: " + gpioValue);
             } else {
-                LogManager.logError(TAG, "写入GPIO值时发生意外异常", e);
+                LogManager.logError(TAG, "DeviceType7Manager写入GPIO值失败");
             }
-            return false;
-        } finally {
-            if (fos != null) {
-                try {
-                    fos.close();
-                } catch (IOException e) {
-                    LogManager.logError(TAG, "关闭FileOutputStream失败", e);
+            return success;
+        } else {
+            // 其他设备使用文件操作
+            FileOutputStream fos = null;
+            try {
+                String valuePath = PAD_TYPE_TWO.equals(padType) ? PWM_FLASH_2 : PWM_FLASH;
+                fos = new FileOutputStream(valuePath);
+                fos.write(value);
+                return true;
+            } catch (Exception e) {
+                if (e instanceof IOException) {
+                    // 如果写入失败，尝试设置GPIO方向后重试
+                    LogManager.logWarning(TAG, "GPIO写入失败，尝试设置方向后重试");
+                    setGpioDirection(padType);
+                    try {
+                        if (fos != null) {
+                            fos.write(value);
+                            return true;
+                        }
+                    } catch (IOException ioException) {
+                        LogManager.logError(TAG, "重试写入GPIO值失败", ioException);
+                    }
+                } else {
+                    LogManager.logError(TAG, "写入GPIO值时发生意外异常", e);
+                }
+                return false;
+            } finally {
+                if (fos != null) {
+                    try {
+                        fos.close();
+                    } catch (IOException e) {
+                        LogManager.logError(TAG, "关闭FileOutputStream失败", e);
+                    }
                 }
             }
         }
@@ -313,11 +377,11 @@ public class RelayController {
     }
     
     /**
-     * 获取继电器当前状态（默认设备）
-     * @return true为开启状态，false为关闭状态，null为读取失败
+     * 获取第七批设备管理器实例
+     * @return DeviceType7Manager实例
      */
-    public Boolean getRelayStatus() {
-        return getRelayStatus(PAD_TYPE_DEFAULT);
+    public DeviceType7Manager getDeviceType7Manager() {
+        return deviceType7Manager;
     }
     
     /**
@@ -327,6 +391,10 @@ public class RelayController {
         if (handler != null) {
             handler.removeCallbacksAndMessages(null);
         }
+        if (deviceType7Manager != null) {
+            deviceType7Manager.release();
+            deviceType7Manager = null;
+        }
         LogManager.logInfo(TAG, "RelayController资源已释放");
     }
 }
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