diff --git a/src/main/java/com/ruoyi/device/controller/AircraftFlyController.java b/src/main/java/com/ruoyi/device/controller/AircraftFlyController.java
index fb7cc13..4af4a39 100644
--- a/src/main/java/com/ruoyi/device/controller/AircraftFlyController.java
+++ b/src/main/java/com/ruoyi/device/controller/AircraftFlyController.java
@@ -150,6 +150,40 @@ public class AircraftFlyController extends BaseController
         }
     }
 
+    /**
+     * 无人机关机接口
+     *
+     * @param sn 机场SN号
+     * @return 关机响应
+     */
+    @Operation(summary = "无人机关机", description = "控制指定机场的无人机执行关机操作")
+    @PostMapping("/power-off/{sn}")
+    public R<String> powerOff(
+            @Parameter(description = "机场SN号", required = true, example = "THJSQ03B2309DN7VQN43")
+            @PathVariable("sn") String sn)
+    {
+        log.info("收到无人机关机请求: sn={}", sn);
+
+        try {
+            // 调用机器命令管理器执行关机命令
+            CompletableFuture<CommandResult> future = machineCommandManager.executeCommand(sn, CommandType.POWER_OFF);
+
+            // 等待命令执行完成
+            CommandResult result = future.get();
+
+            if (result.isSuccess()) {
+                log.info("无人机关机成功: sn={}", sn);
+                return R.ok("关机命令执行成功");
+            } else {
+                log.error("无人机关机失败: sn={}, reason={}", sn, result.getErrorMessage());
+                return R.fail("关机命令执行失败: " + result.getErrorMessage());
+            }
+        } catch (Exception e) {
+            log.error("无人机关机异常: sn={}", sn, e);
+            return R.fail("关机命令执行异常: " + e.getMessage());
+        }
+    }
+
     /**
      * 查询无人机状态
      *