diff --git a/src/main/java/com/ruoyi/device/service/impl/BufferDeviceImpl.java b/src/main/java/com/ruoyi/device/service/impl/BufferDeviceImpl.java
index cf87ec1..a033cee 100644
--- a/src/main/java/com/ruoyi/device/service/impl/BufferDeviceImpl.java
+++ b/src/main/java/com/ruoyi/device/service/impl/BufferDeviceImpl.java
@@ -7,7 +7,6 @@ import com.ruoyi.device.domain.api.*;
 import com.ruoyi.device.domain.model.*;
 import com.ruoyi.device.domain.model.thingsboard.AttributeMap;
 import com.ruoyi.device.domain.model.thingsboard.TelemetryMap;
-import com.ruoyi.device.domain.model.thingsboard.TelemetryValue;
 import com.ruoyi.device.domain.model.thingsboard.constants.DeviceAttributes;
 import com.ruoyi.device.domain.model.thingsboard.constants.DeviceTelemetry;
 import com.ruoyi.device.service.api.IBufferDeviceService;
@@ -27,7 +26,6 @@ import org.springframework.util.CollectionUtils;
 
 import java.util.ArrayList;
 import java.util.List;
-import java.util.Optional;
 import java.util.stream.Collectors;
 
 /**
@@ -573,20 +571,16 @@ public class BufferDeviceImpl implements IBufferDeviceService
                 .map(telemetryValue -> telemetryValue.getValue())
                 .orElse(null);
 
-        // 从机场遥测数据中获取 total_flight_time，根据更新时间判断无人机是否开机
-        // 如果 total_flight_time 在1分钟以内更新，则认为无人机开机，否则关机
-        boolean isPowerOn = false;
-        Optional<TelemetryValue<Integer>> totalFlightTimeOpt = telemetryMap.get(DeviceTelemetry.Total_Flight_Time);
-        if (totalFlightTimeOpt.isPresent()) {
-            long updateTimestamp = totalFlightTimeOpt.get().getTimestamp();
-            long currentTimestamp = System.currentTimeMillis();
-            long timeDiff = currentTimestamp - updateTimestamp;
-            // 1分钟 = 60000 毫秒
-            isPowerOn = timeDiff <= 60000;
-        }
+      //  从 telemetryAirportMap 中取  total_flight_time, 如果时间是在一分钟以内更新的，则为开机，否则为关机
+
+        // 获取无人机是否开机: {"0":"关机","1":"开机"}
+        Integer deviceOnlineStatus = telemetryMap.get(DeviceTelemetry.Sub_Device_Online_Status)
+                .map(telemetryValue -> telemetryValue.getValue())
+                .orElse(null);
 
         // 根据舱内/舱外和开机/关机状态确定无人机状态
         boolean isInCabin = droneInDock != null && droneInDock == 1;
+        boolean isPowerOn = deviceOnlineStatus != null && deviceOnlineStatus == 1;
 
         if (isInCabin) {
             // 舱内