diff --git a/src/main/java/com/qyft/ms/system/service/device/DeviceCommandService.java b/src/main/java/com/qyft/ms/system/service/device/DeviceCommandService.java
index 7751abb..0e733d7 100644
--- a/src/main/java/com/qyft/ms/system/service/device/DeviceCommandService.java
+++ b/src/main/java/com/qyft/ms/system/service/device/DeviceCommandService.java
@@ -33,6 +33,7 @@ public class DeviceCommandService {
         commandFutureMap.put(cmdToDevice.getCommandId(), cmdFuture);
         if (!deviceTcpClient.sendToJSON(cmdToDevice)) {
             commandFutureMap.remove(cmdToDevice.getCommandId());
+            throw new RuntimeException("向设备发送指令失败");
         }
 
         cmdFuture.getResponseFuture().whenComplete((result, ex) ->