diff --git a/lib/pages/device_managment/gateway/model/gateway_model.dart b/lib/pages/device_managment/gateway/model/gateway_model.dart
index b9600fd7..a522aa00 100644
--- a/lib/pages/device_managment/gateway/model/gateway_model.dart
+++ b/lib/pages/device_managment/gateway/model/gateway_model.dart
@@ -39,7 +39,7 @@ class GatewayModel {
     }
 
     return GatewayModel(
-      uuid: json['uuid'] as String,
+      uuid: json['uuid'] as String? ?? '',
       switchAlarmSound: switchAlarmSound ?? false,
       masterState: masterState ?? '',
       factoryReset: factoryReset ?? false,