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 3974ae4..72324ce 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
@@ -23,6 +23,22 @@ public class DeviceTelemetry {
      * 无人机独状态
      */
 
+
+    /**
+     * 运行时长 {"unit_name":"秒 / s"}
+     */
+    public static final TelemetryKey<Integer> Acc_Time = TelemetryKey.of(
+            "acc_time",
+            Integer.class,
+            value -> {
+                if (value == null) return null;
+                if (value instanceof Number) {
+                    return ((Number) value).intValue();
+                }
+                return Integer.parseInt(value.toString());
+            }
+    );
+
     /**
      * 飞行次数
      */
@@ -233,7 +249,8 @@ public class DeviceTelemetry {
                 Sub_Device_Online_Status,
                 Total_Flight_Sorties,
                 Drone_Charge_State_State,
-                Drone_In_Dock
+                Drone_In_Dock,
+                Acc_Time
 
         );
     }