diff --git a/blade-service/blade-desk/src/main/java/org/springblade/desk/device/service/impl/EquipmentServiceImpl.java b/blade-service/blade-desk/src/main/java/org/springblade/desk/device/service/impl/EquipmentServiceImpl.java
index e617b7c0..4ed094fa 100644
--- a/blade-service/blade-desk/src/main/java/org/springblade/desk/device/service/impl/EquipmentServiceImpl.java
+++ b/blade-service/blade-desk/src/main/java/org/springblade/desk/device/service/impl/EquipmentServiceImpl.java
@@ -139,7 +139,7 @@ public class EquipmentServiceImpl extends BaseServiceImpl<EquipmentMapper, Equip
 					List<EquipmentEntity> equipmentEntities = this.list(lambdaQueryWrapper);
 					Map<String, EquipmentEntity> equipmentEntityMap = new HashMap<>();
 					if (null != equipmentEntities && equipmentEntities.size() > 0) {
-						equipmentEntities.stream().collect(Collectors.toMap(
+						equipmentEntityMap = equipmentEntities.stream().collect(Collectors.toMap(
 								e -> e.getDeviceCode(),
 								e -> e));
 					}