diff --git a/libs/common/src/modules/space/entities/tag.entity.ts b/libs/common/src/modules/space/entities/tag.entity.ts
index 6ba1289..7340caf 100644
--- a/libs/common/src/modules/space/entities/tag.entity.ts
+++ b/libs/common/src/modules/space/entities/tag.entity.ts
@@ -1,11 +1,4 @@
-import {
-  Entity,
-  Column,
-  ManyToOne,
-  JoinColumn,
-  Unique,
-  OneToOne,
-} from 'typeorm';
+import { Entity, Column, ManyToOne, JoinColumn, OneToOne } from 'typeorm';
 import { AbstractEntity } from '../../abstract/entities/abstract.entity';
 import { ProductEntity } from '../../product/entities';
 import { TagDto } from '../dtos';
@@ -15,7 +8,6 @@ import { SubspaceEntity } from './subspace';
 import { DeviceEntity } from '../../device/entities';
 
 @Entity({ name: 'tag' })
-@Unique(['tag', 'product', 'space', 'subspace'])
 export class TagEntity extends AbstractEntity<TagDto> {
   @Column({ type: 'varchar', length: 255 })
   tag: string;
diff --git a/src/space/services/space-scene.service.ts b/src/space/services/space-scene.service.ts
index 6c6b528..f8d2c42 100644
--- a/src/space/services/space-scene.service.ts
+++ b/src/space/services/space-scene.service.ts
@@ -23,7 +23,7 @@ export class SpaceSceneService {
     try {
       const { spaceUuid, communityUuid, projectUuid } = params;
 
-      await this.validationService.validateSpaceWithinCommunityAndProject(
+      await this.validationService.checkCommunityAndProjectSpaceExistence(
         communityUuid,
         projectUuid,
         spaceUuid,
diff --git a/src/space/services/space-user.service.ts b/src/space/services/space-user.service.ts
index 0912132..fe94983 100644
--- a/src/space/services/space-user.service.ts
+++ b/src/space/services/space-user.service.ts
@@ -72,7 +72,7 @@ export class SpaceUserService {
     }
 
     // Find the space by ID
-    await this.validationService.validateSpaceWithinCommunityAndProject(
+    await this.validationService.checkCommunityAndProjectSpaceExistence(
       communityUuid,
       projectUuid,
       spaceUuid,
diff --git a/src/space/services/space.service.ts b/src/space/services/space.service.ts
index fa9c30c..43266e5 100644
--- a/src/space/services/space.service.ts
+++ b/src/space/services/space.service.ts
@@ -492,7 +492,7 @@ export class SpaceService {
     params: GetSpaceParam,
   ): Promise<BaseResponseDto> {
     const { spaceUuid, communityUuid, projectUuid } = params;
-    await this.validationService.validateSpaceWithinCommunityAndProject(
+    await this.validationService.checkCommunityAndProjectSpaceExistence(
       communityUuid,
       projectUuid,
       spaceUuid,
diff --git a/src/space/services/subspace/subspace-device.service.ts b/src/space/services/subspace/subspace-device.service.ts
index 9ee9b9b..cdd80db 100644
--- a/src/space/services/subspace/subspace-device.service.ts
+++ b/src/space/services/subspace/subspace-device.service.ts
@@ -29,22 +29,14 @@ export class SubspaceDeviceService {
   ): Promise<BaseResponseDto> {
     const { subSpaceUuid, spaceUuid, communityUuid, projectUuid } = params;
 
-    console.time('Total Execution Time'); // ⏳ Start total execution time
-    console.time('Validation Time');
-
     await this.validationService.checkCommunityAndProjectSpaceExistence(
       communityUuid,
       projectUuid,
       spaceUuid,
     );
 
-    console.timeEnd('Validation Time'); // ⏳ Log validation time
-
-    console.time('Subspace Query Time');
     const subspace = await this.findSubspaceWithDevices(subSpaceUuid);
-    console.timeEnd('Subspace Query Time'); // ⏳ Log subspace fetching time
 
-    console.time('Fetching Tuya Details Time');
     const safeFetch = async (device: any) => {
       try {
         const tuyaDetails = await this.getDeviceDetailsByDeviceIdTuya(
@@ -62,17 +54,11 @@ export class SubspaceDeviceService {
           ...tuyaDetails,
         };
       } catch (error) {
-        console.warn(
-          `⚠️ Skipping device with deviceTuyaUuid: ${device.deviceTuyaUuid} due to error.`,
-        );
         return null;
       }
     };
 
     const detailedDevices = await Promise.all(subspace.devices.map(safeFetch));
-    console.timeEnd('Fetching Tuya Details Time'); // ⏳ Log total Tuya fetching time
-
-    console.timeEnd('Total Execution Time'); // ⏳ End total execution time
 
     return new SuccessResponseDto({
       data: detailedDevices.filter(Boolean), // Remove nulls
@@ -119,14 +105,14 @@ export class SubspaceDeviceService {
 
       return new SuccessResponseDto({
         data: newDevice,
-        message: 'Successfully associated device to subspace',
+        message: `Successfully associated device to subspace`,
       });
     } catch (error) {
       if (error instanceof HttpException) {
         throw error;
       } else {
         throw new HttpException(
-          'Failed to associate device to subspace',
+          `Failed to associate device to subspace with error = ${error}`,
           HttpStatus.INTERNAL_SERVER_ERROR,
         );
       }
@@ -145,7 +131,7 @@ export class SubspaceDeviceService {
         spaceUuid,
       );
       const subspace = await this.findSubspace(subSpaceUuid);
-      const device = await this.findDevice(deviceUuid);
+      const device = await this.findDeviceWithSubspaceAndTag(deviceUuid);
 
       if (!device.subspace || device.subspace.uuid !== subspace.uuid) {
         throw new HttpException(
@@ -157,7 +143,7 @@ export class SubspaceDeviceService {
       if (device.tag?.subspace !== null) {
         await this.tagRepository.update(
           { uuid: device.tag.uuid },
-          { subspace: null, space: device.subspace },
+          { subspace: null, space: device.spaceDevice },
         );
       }
 
@@ -186,7 +172,7 @@ export class SubspaceDeviceService {
         throw error;
       } else {
         throw new HttpException(
-          'Failed to dissociate device from subspace',
+          `Failed to dissociate device from subspace error = ${error}`,
           HttpStatus.INTERNAL_SERVER_ERROR,
         );
       }
@@ -218,7 +204,13 @@ export class SubspaceDeviceService {
   private async findDevice(deviceUuid: string) {
     const device = await this.deviceRepository.findOne({
       where: { uuid: deviceUuid },
-      relations: ['subspace', , 'tag', 'tag.space', 'tag.subspace'],
+      relations: [
+        'subspace',
+        'tag',
+        'tag.space',
+        'tag.subspace',
+        'spaceDevice',
+      ],
     });
     if (!device) {
       this.throwNotFound('Device', deviceUuid);
@@ -300,4 +292,12 @@ export class SubspaceDeviceService {
       : 1;
     return nextTagNumber;
   }
+
+  private async findDeviceWithSubspaceAndTag(deviceUuid: string) {
+    return await this.deviceRepository.findOne({
+      where: { uuid: deviceUuid },
+      relations: ['subspace', 'tag', 'spaceDevice'],
+      select: ['uuid', 'subspace', 'spaceDevice', 'productDevice', 'tag'],
+    });
+  }
 }
diff --git a/src/space/services/subspace/subspace.service.ts b/src/space/services/subspace/subspace.service.ts
index 3a27aee..78f9445 100644
--- a/src/space/services/subspace/subspace.service.ts
+++ b/src/space/services/subspace/subspace.service.ts
@@ -178,7 +178,7 @@ export class SubSpaceService {
     pageable: Partial<TypeORMCustomModelFindAllQuery>,
   ): Promise<BaseResponseDto> {
     const { communityUuid, spaceUuid, projectUuid } = params;
-    await this.validationService.validateSpaceWithinCommunityAndProject(
+    await this.validationService.checkCommunityAndProjectSpaceExistence(
       communityUuid,
       projectUuid,
       spaceUuid,
@@ -205,7 +205,7 @@ export class SubSpaceService {
     updateSubSpaceDto: AddSubspaceDto,
   ): Promise<BaseResponseDto> {
     const { spaceUuid, communityUuid, subSpaceUuid, projectUuid } = params;
-    await this.validationService.validateSpaceWithinCommunityAndProject(
+    await this.validationService.checkCommunityAndProjectSpaceExistence(
       communityUuid,
       projectUuid,
       spaceUuid,
@@ -244,7 +244,7 @@ export class SubSpaceService {
 
   async delete(params: GetSubSpaceParam): Promise<BaseResponseDto> {
     const { spaceUuid, communityUuid, subSpaceUuid, projectUuid } = params;
-    await this.validationService.validateSpaceWithinCommunityAndProject(
+    await this.validationService.checkCommunityAndProjectSpaceExistence(
       communityUuid,
       projectUuid,
       spaceUuid,
@@ -367,7 +367,7 @@ export class SubSpaceService {
   }
 
   async getOne(params: GetSubSpaceParam): Promise<BaseResponseDto> {
-    await this.validationService.validateSpaceWithinCommunityAndProject(
+    await this.validationService.checkCommunityAndProjectSpaceExistence(
       params.communityUuid,
       params.projectUuid,
       params.spaceUuid,