diff --git a/acs/nladmin-system/src/main/java/org/nl/acs/device_driver/basedriver/siemens_conveyor/SiemensConveyorDeviceDriver.java b/acs/nladmin-system/src/main/java/org/nl/acs/device_driver/basedriver/siemens_conveyor/SiemensConveyorDeviceDriver.java
index 63186fb96..cde80ebcf 100644
--- a/acs/nladmin-system/src/main/java/org/nl/acs/device_driver/basedriver/siemens_conveyor/SiemensConveyorDeviceDriver.java
+++ b/acs/nladmin-system/src/main/java/org/nl/acs/device_driver/basedriver/siemens_conveyor/SiemensConveyorDeviceDriver.java
@@ -433,7 +433,6 @@ public class SiemensConveyorDeviceDriver extends AbstractOpcDeviceDriver impleme
                 JSONObject param = new JSONObject() ;
                 param.put("device_code", device_code);
                 logServer.deviceExecuteLog(this.device_code, "", "", "有货变无货请求LMS,参数:" + param);
-                this.requiresShipDeviceUpdate = true;
                 HttpResponse response = acsToWmsService.shipDeviceUpdate(param);
                 if (response == null || response.getStatus() == 200) {
                     logServer.deviceExecuteLog(this.device_code, "", "", "有货变无货请求LMS,接口返回:" + response.body());
@@ -443,6 +442,7 @@ public class SiemensConveyorDeviceDriver extends AbstractOpcDeviceDriver impleme
                 future.completeExceptionally(e);
             }
         });
+        this.requiresShipDeviceUpdate = true;
     }
 
     public void sendDeviceStatus(JSONObject param) {
@@ -452,11 +452,11 @@ public class SiemensConveyorDeviceDriver extends AbstractOpcDeviceDriver impleme
             try {
                 acsToWmsService.sendDeviceStatus(param);
                 future.complete("Async operation completed");
-                this.requiresShipDeviceUpdate = true;
             } catch (Exception e) {
                 future.completeExceptionally(e);
             }
         });
+        this.requiresShipDeviceUpdate = true;
     }
 
     private void taskDeviceUpdate(int task) {