diff --git a/lms/nladmin-system/src/main/java/org/nl/wms/cockpit/service/impl/BigScreenServiceImpl.java b/lms/nladmin-system/src/main/java/org/nl/wms/cockpit/service/impl/BigScreenServiceImpl.java
index 507d8ef..c034e39 100644
--- a/lms/nladmin-system/src/main/java/org/nl/wms/cockpit/service/impl/BigScreenServiceImpl.java
+++ b/lms/nladmin-system/src/main/java/org/nl/wms/cockpit/service/impl/BigScreenServiceImpl.java
@@ -479,7 +479,7 @@ public class BigScreenServiceImpl implements BigScreenService {
             JSONArray data = ObjectUtil.isNotEmpty(devicesStatus) ? devicesStatus.getJSONArray("data") : res;
             for (int i = 0; i < data.size(); i++) {
                 JSONObject object = data.getJSONObject(i);
-                result.put(object.getString("device_code"), object);
+                result.put("agv_" + object.getString("device_code"), object);
             }
             return result;
         }, pool);