diff --git a/backend/services/identity-service/src/api/dto/request/auto-create-account.dto.ts b/backend/services/identity-service/src/api/dto/request/auto-create-account.dto.ts
index 98333e4a..7893d55b 100644
--- a/backend/services/identity-service/src/api/dto/request/auto-create-account.dto.ts
+++ b/backend/services/identity-service/src/api/dto/request/auto-create-account.dto.ts
@@ -17,6 +17,39 @@ export class DeviceNameDto {
   @IsOptional()
   @IsString()
   osVersion?: string;
+
+  @ApiPropertyOptional({ example: 'Apple', description: '品牌' })
+  @IsOptional()
+  @IsString()
+  brand?: string;
+
+  @ApiPropertyOptional({ example: 'Apple', description: '厂商' })
+  @IsOptional()
+  @IsString()
+  manufacturer?: string;
+
+  @ApiPropertyOptional({ example: 'iPhone15,2', description: '设备名' })
+  @IsOptional()
+  @IsString()
+  device?: string;
+
+  @ApiPropertyOptional({ example: 'iPhone15,2', description: '产品名' })
+  @IsOptional()
+  @IsString()
+  product?: string;
+
+  @ApiPropertyOptional({ example: 'qcom', description: '硬件名' })
+  @IsOptional()
+  @IsString()
+  hardware?: string;
+
+  @ApiPropertyOptional({ example: 33, description: 'SDK 版本 (Android)' })
+  @IsOptional()
+  sdkInt?: number;
+
+  @ApiPropertyOptional({ example: true, description: '是否真机' })
+  @IsOptional()
+  isPhysicalDevice?: boolean;
 }
 
 export class AutoCreateAccountDto {