diff --git a/furniture-3d-system/src/server/services/__tests__/jst-sku-stock-sync.service.test.ts b/furniture-3d-system/src/server/services/__tests__/jst-sku-stock-sync.service.test.ts
index 9edc3269..e67c970b 100644
--- a/furniture-3d-system/src/server/services/__tests__/jst-sku-stock-sync.service.test.ts
+++ b/furniture-3d-system/src/server/services/__tests__/jst-sku-stock-sync.service.test.ts
@@ -262,6 +262,7 @@ describe('syncJstSkuStockProducts', () => {
             skuItems: expect.arrayContaining([
               expect.objectContaining({
                 barcode: 'BAR001',
+                model: 'SPU001',
                 skuCode: 'SPJ00001',
                 sourceTable: 'jst_sku',
               }),
@@ -289,6 +290,7 @@ describe('syncJstSkuStockProducts', () => {
             createMany: {
               data: expect.arrayContaining([
                 expect.objectContaining({
+                  model: 'SPU001',
                   skuCode: 'SPJ00001',
                   specName: '测试存量商品 1200*600*750',
                   barcode: 'BAR001',
@@ -302,6 +304,45 @@ describe('syncJstSkuStockProducts', () => {
     )
   })
 
+  it('apply 创建存量商品时用聚水潭 sku_id 兜底缺失的 SKU 编码', async () => {
+    createConnectionMock(
+      createSourceRow({
+        sku_id: 'bar001',
+        other_7: '',
+      }),
+    )
+
+    const result = await syncJstSkuStockProducts({ apply: true, batchSize: 1, limit: 1 })
+
+    expect(result.created).toBe(1)
+    expect(mockedPrisma.intakeNonIntegratedProduct.create).toHaveBeenCalledWith(
+      expect.objectContaining({
+        data: expect.objectContaining({
+          payload: expect.objectContaining({
+            skuItems: expect.arrayContaining([
+              expect.objectContaining({
+                barcode: 'BAR001',
+                skuCode: 'BAR001',
+                sourceSkuId: 'BAR001',
+              }),
+            ]),
+          }),
+          skuItems: {
+            createMany: {
+              data: expect.arrayContaining([
+                expect.objectContaining({
+                  barcode: 'BAR001',
+                  skuCode: 'BAR001',
+                  sourceSkuId: 'BAR001',
+                }),
+              ]),
+            },
+          },
+        }),
+      }),
+    )
+  })
+
   it('apply 更新存量商品时 upsert 产品 profile 并刷新结构化 SKU 明细', async () => {
     createConnectionMock(createSourceRow({ name: '更新后的存量商品 1200*600*750' }))
     mockedPrisma.intakeNonIntegratedProduct.findUnique.mockResolvedValue({
@@ -340,6 +381,7 @@ describe('syncJstSkuStockProducts', () => {
               data: expect.arrayContaining([
                 expect.objectContaining({
                   barcode: 'BAR001',
+                  model: 'SPU001',
                   skuCode: 'SPJ00001',
                   sourceTable: 'jst_sku',
                 }),
diff --git a/furniture-3d-system/src/server/services/jst-sku-stock-sync.service.ts b/furniture-3d-system/src/server/services/jst-sku-stock-sync.service.ts
index 549707e8..7238198e 100644
--- a/furniture-3d-system/src/server/services/jst-sku-stock-sync.service.ts
+++ b/furniture-3d-system/src/server/services/jst-sku-stock-sync.service.ts
@@ -209,7 +209,11 @@ function mergeDefinedSourceFields<T extends Record<string, unknown>>(
   return next
 }
 
-function buildSourceSkuItem(row: JstSkuSourceRow, sequence: number): NonIntegratedSkuItem {
+function buildSourceSkuItem(
+  row: JstSkuSourceRow,
+  sequence: number,
+  sourceSpu: string,
+): NonIntegratedSkuItem {
   const skuId = normalizeSkuId(row.sku_id)
   const name = normalizeSourceString(row.name)
   const image = pickSourceImage(row)
@@ -225,8 +229,8 @@ function buildSourceSkuItem(row: JstSkuSourceRow, sequence: number): NonIntegrat
     packageSuffix: '',
     image,
     imageName: pickImageName(skuId, image),
-    model: '',
-    skuCode: normalizeSourceString(row.other_7),
+    model: sourceSpu,
+    skuCode: normalizeSourceString(row.other_7) || skuId,
     setCount: normalizeSetCount(row.other_8),
     specName: name,
     barcode: skuId,
@@ -300,7 +304,7 @@ function shouldExcludeStockCategory(category: string) {
   return category.trim() === EXCLUDED_STOCK_CATEGORY
 }
 
-function buildSourceSkuItems(rows: JstSkuSourceRow[]) {
+function buildSourceSkuItems(rows: JstSkuSourceRow[], sourceSpu: string) {
   const seenSkuIds = new Set<string>()
 
   return rows
@@ -311,7 +315,7 @@ function buildSourceSkuItems(rows: JstSkuSourceRow[]) {
       return row
     })
     .filter((row): row is JstSkuSourceRow => row !== null)
-    .map((row, index) => buildSourceSkuItem(row, index + 1))
+    .map((row, index) => buildSourceSkuItem(row, index + 1, sourceSpu))
 }
 
 function buildSourceProductPayload(
@@ -322,7 +326,7 @@ function buildSourceProductPayload(
   if (!sourceSpu) return null
 
   const skuContentRows = pickSkuContentRows(group.rows)
-  const skuItems = buildSourceSkuItems(skuContentRows)
+  const skuItems = buildSourceSkuItems(skuContentRows, sourceSpu)
   if (skuItems.length === 0) return null
 
   const representativeRow = pickRepresentativeSourceRow(group.rows)