diff --git a/libs/common/src/modules/device/entities/device.entity.ts b/libs/common/src/modules/device/entities/device.entity.ts
index 9a75950..ade7d99 100644
--- a/libs/common/src/modules/device/entities/device.entity.ts
+++ b/libs/common/src/modules/device/entities/device.entity.ts
@@ -6,10 +6,15 @@ import {
   Unique,
   Index,
   JoinColumn,
+  OneToOne,
 } from 'typeorm';
 import { AbstractEntity } from '../../abstract/entities/abstract.entity';
 import { DeviceDto, DeviceUserPermissionDto } from '../dtos/device.dto';
-import { SpaceEntity, SubspaceEntity } from '../../space/entities';
+import {
+  SpaceEntity,
+  SpaceProductItemEntity,
+  SubspaceEntity,
+} from '../../space/entities';
 import { ProductEntity } from '../../product/entities';
 import { UserEntity } from '../../user/entities';
 import { DeviceNotificationDto } from '../dtos';
@@ -74,6 +79,11 @@ export class DeviceEntity extends AbstractEntity<DeviceDto> {
   @OneToMany(() => SceneDeviceEntity, (sceneDevice) => sceneDevice.device, {})
   sceneDevices: SceneDeviceEntity[];
 
+  @OneToOne(() => SpaceProductItemEntity, (tag) => tag.device, {
+    nullable: true,
+  })
+  public tag?: SpaceProductItemEntity;
+
   constructor(partial: Partial<DeviceEntity>) {
     super();
     Object.assign(this, partial);
diff --git a/libs/common/src/modules/space/entities/space-product-item.entity.ts b/libs/common/src/modules/space/entities/space-product-item.entity.ts
index ebbe572..d9add42 100644
--- a/libs/common/src/modules/space/entities/space-product-item.entity.ts
+++ b/libs/common/src/modules/space/entities/space-product-item.entity.ts
@@ -1,8 +1,9 @@
-import { Column, Entity, ManyToOne } from 'typeorm';
+import { Column, Entity, ManyToOne, OneToOne } from 'typeorm';
 import { SpaceProductEntity } from './space-product.entity';
 import { AbstractEntity } from '../../abstract/entities/abstract.entity';
 import { SpaceProductItemDto } from '../dtos';
 import { SpaceProductItemModelEntity } from '../../space-model';
+import { DeviceEntity } from '../../device/entities';
 
 @Entity({ name: 'space-product-item' })
 export class SpaceProductItemEntity extends AbstractEntity<SpaceProductItemDto> {
@@ -30,4 +31,9 @@ export class SpaceProductItemEntity extends AbstractEntity<SpaceProductItemDto>
     },
   )
   public spaceProductItemModel?: SpaceProductItemModelEntity;
+
+  @OneToOne(() => DeviceEntity, (device) => device.tag, {
+    nullable: true,
+  })
+  public device?: DeviceEntity;
 }