diff --git a/furniture-3d-system/src/server/services/__tests__/supply-chain-product-archive-sync.service.test.ts b/furniture-3d-system/src/server/services/__tests__/supply-chain-product-archive-sync.service.test.ts
index 4b2b3f40..48c69283 100644
--- a/furniture-3d-system/src/server/services/__tests__/supply-chain-product-archive-sync.service.test.ts
+++ b/furniture-3d-system/src/server/services/__tests__/supply-chain-product-archive-sync.service.test.ts
@@ -4,6 +4,7 @@ import {
   PRODUCT_DEVELOPMENT_ARCHIVE_SOURCE_CODE,
   SupplyChainProductArchiveSyncService,
   mapProductCatalogWideArchiveSource,
+  normalizeProductArchiveBrand,
 } from '../supply-chain-product-archive-sync.service'
 import {
   recordProductArchiveFieldChanges,
@@ -101,6 +102,20 @@ describe('supply-chain product archive wide-catalog sync', () => {
     )
   })
 
+  it('corrects mislabeled Sofia products from the GBSFY SKU prefix', () => {
+    const mapped = mapProductCatalogWideArchiveSource({
+      ...createSourceRecord(),
+      archive_spu: 'GBSFY-XG0293',
+      archive_sku: 'GBSFY-XG029301',
+      barcode_business_key: 'GBSFY-XG029301N1441V01',
+      brand_name: '其他品牌-普通大货',
+    })
+
+    expect(mapped?.archive.brand).toBe('代理品牌-索菲亚')
+    expect(normalizeProductArchiveBrand('gbsfy-ad036001', '')).toBe('代理品牌-索菲亚')
+    expect(normalizeProductArchiveBrand('CZ014006', '其他品牌-普通大货')).toBe('其他品牌-普通大货')
+  })
+
   it('leaves the image empty when the current SKU has no image', () => {
     const mapped = mapProductCatalogWideArchiveSource({
       ...createSourceRecord(),
diff --git a/furniture-3d-system/src/server/services/supply-chain-product-archive-sync.service.ts b/furniture-3d-system/src/server/services/supply-chain-product-archive-sync.service.ts
index ee67b8a5..4081aea5 100644
--- a/furniture-3d-system/src/server/services/supply-chain-product-archive-sync.service.ts
+++ b/furniture-3d-system/src/server/services/supply-chain-product-archive-sync.service.ts
@@ -87,6 +87,13 @@ export function resolveProductArchivePackageType(value: string) {
   return PACKAGE_TYPE_BY_SET_COUNT[value.trim()] ?? ''
 }
 
+/** 索菲亚货号以 GBSFY 开头；源品牌字段偶有误标，以货号前缀纠正。 */
+export function normalizeProductArchiveBrand(sku: string, brand: string) {
+  return sku.trim().toUpperCase().startsWith('GBSFY')
+    ? '代理品牌-索菲亚'
+    : brand.trim()
+}
+
 export function calculateProductArchiveVolume(
   length: string,
   width: string,
@@ -160,7 +167,7 @@ export function mapProductCatalogWideArchiveSource(
       installDocId: text(record.drawing_id),
       installMethod: text(record.install_method),
       spec: text(record.archive_spec),
-      brand: text(record.brand_name),
+      brand: normalizeProductArchiveBrand(text(record.archive_sku), text(record.brand_name)),
       orderType: normalizeProductArchiveOrderType(record.purchase_order_method),
       inOutWarehouse: text(record.factory_warehouse),
       isSeasonal: '',