diff --git a/src/main/java/com/ruoyi/device/domain/model/thingsboard/constants/DeviceTelemetry.java b/src/main/java/com/ruoyi/device/domain/model/thingsboard/constants/DeviceTelemetry.java
index 42c7e3d..061ca09 100644
--- a/src/main/java/com/ruoyi/device/domain/model/thingsboard/constants/DeviceTelemetry.java
+++ b/src/main/java/com/ruoyi/device/domain/model/thingsboard/constants/DeviceTelemetry.java
@@ -287,6 +287,22 @@ public class DeviceTelemetry {
             }
     );
 
+
+    /**
+     * 无人机 position_state.gps_number  GPS 搜星数量
+     */
+
+    public static final TelemetryKey<Integer> Position_State_GPS_Number = TelemetryKey.of(
+            "position_state.gps_number",
+            Integer.class,
+            value -> {
+                if (value == null) return null;
+                if (value instanceof Number) {
+                    return ((Number) value).intValue();
+                }
+                return Integer.parseInt(value.toString());
+            }
+    );
     /**
      * 风速
      */
@@ -514,7 +530,8 @@ public class DeviceTelemetry {
                 Environment_Temperature,
                 Network_State_Rate,
                 Cover_State,
-                Drone_Charge_State_Capacity_Percent
+                Drone_Charge_State_Capacity_Percent,
+                Position_State_GPS_Number
         );
     }
 
diff --git a/src/main/java/com/ruoyi/device/service/dto/AircraftDetailDTO.java b/src/main/java/com/ruoyi/device/service/dto/AircraftDetailDTO.java
index b5017eb..7e703c4 100644
--- a/src/main/java/com/ruoyi/device/service/dto/AircraftDetailDTO.java
+++ b/src/main/java/com/ruoyi/device/service/dto/AircraftDetailDTO.java
@@ -70,6 +70,9 @@ public class AircraftDetailDTO implements Serializable
     /** RTK信号 */
     private Integer rtkSignal;
 
+    /** GPS信号 */
+    private Integer gpsSignal;
+
     /** 限高 */
     private Integer maxAltitude;
 
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 7799275..80e1bb7 100644
--- a/src/main/java/com/ruoyi/device/service/impl/BufferDeviceImpl.java
+++ b/src/main/java/com/ruoyi/device/service/impl/BufferDeviceImpl.java
@@ -502,6 +502,14 @@ public class BufferDeviceImpl implements IBufferDeviceService
                     }
                 });
 
+        telemetryMap.get(DeviceTelemetry.Position_State_GPS_Number)
+                .ifPresent(telemetryValue -> {
+                    Integer gpsNumber = telemetryValue.getValue();
+                    if (gpsNumber != null) {
+                        dto.setGpsSignal(gpsNumber);
+                    }
+                });
+
         // 限高
         telemetryMap.get(DeviceTelemetry.Height_Limit)
                 .ifPresent(telemetryValue -> dto.setMaxAltitude(telemetryValue.getValue()));