diff --git a/furniture-3d-system/src/server/services/__tests__/intake-non-integrated-product.service.test.ts b/furniture-3d-system/src/server/services/__tests__/intake-non-integrated-product.service.test.ts
index b707a20e..b7dc9995 100644
--- a/furniture-3d-system/src/server/services/__tests__/intake-non-integrated-product.service.test.ts
+++ b/furniture-3d-system/src/server/services/__tests__/intake-non-integrated-product.service.test.ts
@@ -927,6 +927,72 @@ describe('intakeNonIntegratedProductService', () => {
     )
   })
 
+  it('分配正式 SPU 时用产品名和 SPU 补齐单 SKU 主数据', async () => {
+    const payload = createPayload({
+      id: 'draft-single-sku-master-data-autofill',
+      spu: '',
+      productCategory: '角几/边几',
+      productDevelopmentKind: 'product',
+      openingReference: {
+        productName: '禾沐边几（A款）',
+        productCategory: '角几/边几',
+      },
+      skuItems: [
+        createSkuItem({
+          skuSequence: 1,
+          specName: '',
+          model: '',
+          skuCode: '',
+          barcode: '',
+        }),
+      ],
+    })
+    mockedSpuNumberReservationService.reserveInTransaction.mockResolvedValue({
+      productCategory: '角几/边几',
+      prefix: 'BJ',
+      index: 214,
+      spu: 'BJ0214',
+    })
+    mockedRepository.findDeletedBySpuInTransaction.mockResolvedValue(null as never)
+    mockedRepository.findBySpuInTransaction.mockResolvedValue(null as never)
+    mockedRepository.createInTransaction.mockResolvedValue(
+      createRecord({ id: 'BJ0214-1770000000000' }) as never,
+    )
+    mockedRepository.findActiveById.mockResolvedValue(
+      createRecord({
+        id: 'BJ0214-1770000000000',
+        spu: 'BJ0214',
+        spuBase: 'BJ0214',
+        payload: createPayload({ id: 'BJ0214-1770000000000', spu: 'BJ0214' }),
+      }) as never,
+    )
+
+    await intakeNonIntegratedProductService.save(payload, baseUser, {
+      formalSpuAssignmentProductCategory: '角几/边几',
+    })
+
+    const createArg = mockedRepository.createInTransaction.mock.calls[0]?.[1] as {
+      payload?: { skuItems?: Array<Record<string, unknown>> }
+      skuItems?: { createMany?: { data?: Array<Record<string, unknown>> } }
+    }
+    expect(createArg.payload?.skuItems?.[0]).toEqual(
+      expect.objectContaining({
+        specName: '禾沐边几（A款）',
+        model: 'BJ0214',
+        skuCode: 'BJ021401',
+        barcode: 'BJ021401N01V01',
+      }),
+    )
+    expect(createArg.skuItems?.createMany?.data?.[0]).toEqual(
+      expect.objectContaining({
+        specName: '禾沐边几（A款）',
+        model: 'BJ0214',
+        dataQualityStatus: 'READY',
+        missingRequiredFields: [],
+      }),
+    )
+  })
+
   it('分配正式 SPU 时阻断未补齐的 SKU 主数据，避免生成新的地基阻塞', async () => {
     const payload = createPayload({
       id: 'draft-incomplete-before-formal-spu',
diff --git a/furniture-3d-system/src/server/services/intake-non-integrated-product.service.ts b/furniture-3d-system/src/server/services/intake-non-integrated-product.service.ts
index b19d7e30..2f3aa6e3 100644
--- a/furniture-3d-system/src/server/services/intake-non-integrated-product.service.ts
+++ b/furniture-3d-system/src/server/services/intake-non-integrated-product.service.ts
@@ -345,7 +345,13 @@ function shouldPreserveFormalSkuCode(skuCode: string, formalSpu: string) {
   return Boolean(normalizedSkuCode && normalizedFormalSpu && normalizedSkuCode.startsWith(normalizedFormalSpu))
 }
 
-function assignFormalSpuToSkuItems(value: unknown, formalSpu: string) {
+function assignFormalSpuToSkuItems(
+  value: unknown,
+  formalSpu: string,
+  options: {
+    fallbackSingleSkuSpecName?: string
+  } = {},
+) {
   if (!Array.isArray(value)) return value
 
   return value.map((item, index) => {
@@ -360,9 +366,19 @@ function assignFormalSpuToSkuItems(value: unknown, formalSpu: string) {
     const barcode = existingBarcode && existingBarcode.startsWith(skuCode)
       ? existingBarcode
       : buildAutoBarcode(skuCode, item.manufacturerCode, versionNo)
+    const shouldAutofillSingleSkuMasterData =
+      value.length === 1 && Boolean(readText(options.fallbackSingleSkuSpecName))
 
     return {
       ...item,
+      specName:
+        readText(item.specName) ||
+        (shouldAutofillSingleSkuMasterData
+          ? readText(options.fallbackSingleSkuSpecName)
+          : item.specName),
+      model:
+        readText(item.model) ||
+        (shouldAutofillSingleSkuMasterData ? formalSpu.trim().toUpperCase() : item.model),
       skuCode,
       barcode,
       versionNo,
@@ -4094,7 +4110,9 @@ class IntakeNonIntegratedProductService {
           : assignedSpu,
       brand: normalizedBrand,
       formalSpuAssigned: true,
-      skuItems: assignFormalSpuToSkuItems(productInput.skuItems, assignedSpu),
+      skuItems: assignFormalSpuToSkuItems(productInput.skuItems, assignedSpu, {
+        fallbackSingleSkuSpecName: readText(openingReference.productName),
+      }),
       openingReference: {
         ...openingReference,
         brand: readText(openingReference.brand) || normalizedBrand,