diff --git a/src/main/java/com/ruoyi/device/domain/model/thingsboard/tuoheng/constants/TuohengDeviceAttributes.java b/src/main/java/com/ruoyi/device/domain/model/thingsboard/tuoheng/constants/TuohengDeviceAttributes.java
index f130dc7..c9c2d03 100644
--- a/src/main/java/com/ruoyi/device/domain/model/thingsboard/tuoheng/constants/TuohengDeviceAttributes.java
+++ b/src/main/java/com/ruoyi/device/domain/model/thingsboard/tuoheng/constants/TuohengDeviceAttributes.java
@@ -165,6 +165,36 @@ public class TuohengDeviceAttributes {
             }
     );
 
+    /**
+     * 备降点位置属性（手动维护）
+     */
+
+    // 备降点经度 - Double
+    public static final AttributeKey<Double> BACKUP_LONGITUDE = AttributeKey.of(
+            "backup.longitude",
+            Double.class,
+            value -> {
+                if (value == null) return null;
+                if (value instanceof Number) {
+                    return ((Number) value).doubleValue();
+                }
+                return Double.parseDouble(value.toString());
+            }
+    );
+
+    // 备降点纬度 - Double
+    public static final AttributeKey<Double> BACKUP_LATITUDE = AttributeKey.of(
+            "backup.latitude",
+            Double.class,
+            value -> {
+                if (value == null) return null;
+                if (value instanceof Number) {
+                    return ((Number) value).doubleValue();
+                }
+                return Double.parseDouble(value.toString());
+            }
+    );
+
     private TuohengDeviceAttributes() {
         // 工具类，禁止实例化
     }
@@ -189,7 +219,9 @@ public class TuohengDeviceAttributes {
                 SENDER,
                 DEVICE_ID,
                 HOME_LONGITUDE,
-                HOME_LATITUDE
+                HOME_LATITUDE,
+                BACKUP_LONGITUDE,
+                BACKUP_LATITUDE
         );
     }
 
diff --git a/src/main/java/com/ruoyi/device/service/impl/TuohengBufferDeviceImpl.java b/src/main/java/com/ruoyi/device/service/impl/TuohengBufferDeviceImpl.java
index 0da9d08..8794c79 100644
--- a/src/main/java/com/ruoyi/device/service/impl/TuohengBufferDeviceImpl.java
+++ b/src/main/java/com/ruoyi/device/service/impl/TuohengBufferDeviceImpl.java
@@ -30,6 +30,12 @@ import java.util.Map;
 @Slf4j
 public class TuohengBufferDeviceImpl implements IBufferDeviceService {
 
+    /**
+     * 默认经纬度 - 南京市
+     */
+    private static final Double DEFAULT_LONGITUDE = 118.796877;
+    private static final Double DEFAULT_LATITUDE = 32.060255;
+
     @Autowired
     private IDockDomain dockDomain;
 
@@ -216,18 +222,49 @@ public class TuohengBufferDeviceImpl implements IBufferDeviceService {
                         dto.setFirmwareVersion(value);
                     });
 
-            // 设置机场位置（从属性中获取 home.longitude 和 home.latitude）
+            // 设置机场位置（从属性中获取 home.longitude 和 home.latitude，取不到则使用南京市默认值）
             log.info("---------- 解析机场位置数据 ----------");
-            attributes.get(TuohengDeviceAttributes.HOME_LONGITUDE)
-                    .ifPresent(value -> {
-                        log.info("HOME_LONGITUDE 机场经度: {}", value);
-                        dto.setLongitude(value);
-                    });
-            attributes.get(TuohengDeviceAttributes.HOME_LATITUDE)
-                    .ifPresent(value -> {
-                        log.info("HOME_LATITUDE 机场纬度: {}", value);
-                        dto.setLatitude(value);
-                    });
+            Double homeLongitude = attributes.get(TuohengDeviceAttributes.HOME_LONGITUDE)
+                    .orElse(null);
+            if (homeLongitude != null) {
+                log.info("HOME_LONGITUDE 机场经度: {}", homeLongitude);
+                dto.setLongitude(homeLongitude);
+            } else {
+                log.info("HOME_LONGITUDE 未设置，使用默认值（南京市）: {}", DEFAULT_LONGITUDE);
+                dto.setLongitude(DEFAULT_LONGITUDE);
+            }
+
+            Double homeLatitude = attributes.get(TuohengDeviceAttributes.HOME_LATITUDE)
+                    .orElse(null);
+            if (homeLatitude != null) {
+                log.info("HOME_LATITUDE 机场纬度: {}", homeLatitude);
+                dto.setLatitude(homeLatitude);
+            } else {
+                log.info("HOME_LATITUDE 未设置，使用默认值（南京市）: {}", DEFAULT_LATITUDE);
+                dto.setLatitude(DEFAULT_LATITUDE);
+            }
+
+            // 设置备降点位置（从属性中获取 backup.longitude 和 backup.latitude，取不到则使用南京市默认值）
+            log.info("---------- 解析备降点位置数据 ----------");
+            Double backupLongitude = attributes.get(TuohengDeviceAttributes.BACKUP_LONGITUDE)
+                    .orElse(null);
+            if (backupLongitude != null) {
+                log.info("BACKUP_LONGITUDE 备降点经度: {}", backupLongitude);
+                dto.setBackupLongitude(backupLongitude);
+            } else {
+                log.info("BACKUP_LONGITUDE 未设置，使用默认值（南京市）: {}", DEFAULT_LONGITUDE);
+                dto.setBackupLongitude(DEFAULT_LONGITUDE);
+            }
+
+            Double backupLatitude = attributes.get(TuohengDeviceAttributes.BACKUP_LATITUDE)
+                    .orElse(null);
+            if (backupLatitude != null) {
+                log.info("BACKUP_LATITUDE 备降点纬度: {}", backupLatitude);
+                dto.setBackupLatitude(backupLatitude);
+            } else {
+                log.info("BACKUP_LATITUDE 未设置，使用默认值（南京市）: {}", DEFAULT_LATITUDE);
+                dto.setBackupLatitude(DEFAULT_LATITUDE);
+            }
 
             // 设置在线状态 - 基于心跳时间戳判断离线，基于无人机mode判断工作状态
             telemetry.get(TuohengDeviceTelemetry.STATUS).ifPresentOrElse(statusValue -> {