diff --git a/furniture-3d-system/src/app/asset-center/AssetCenterClient.preview-gizmo.test.tsx b/furniture-3d-system/src/app/asset-center/AssetCenterClient.preview-gizmo.test.tsx
index d45088c7..94f5c4d6 100644
--- a/furniture-3d-system/src/app/asset-center/AssetCenterClient.preview-gizmo.test.tsx
+++ b/furniture-3d-system/src/app/asset-center/AssetCenterClient.preview-gizmo.test.tsx
@@ -26,6 +26,10 @@ jest.mock('next/link', () => ({
   ),
 }))
 
+jest.mock('next/navigation', () => ({
+  useRouter: () => ({ push: jest.fn() }),
+}))
+
 jest.mock('@/components/ui/Modal', () => ({
   __esModule: true,
   default: () => null,
@@ -265,6 +269,7 @@ function createFamily(overrides?: Partial<AssetFamilyDTO>): AssetFamilyDTO {
     description: null,
     productCategoryId: null,
     productCategoryName: null,
+    assetSeriesId: 'template-1',
     compatibleSeries: [{ id: 'template-1', code: 'single-board-desk', name: '单板桌' }],
     connectionRoles: [],
     metadata: null,
diff --git a/furniture-3d-system/src/app/asset-center/AssetCenterClient.test.tsx b/furniture-3d-system/src/app/asset-center/AssetCenterClient.test.tsx
index bec90fce..3ca7f576 100644
--- a/furniture-3d-system/src/app/asset-center/AssetCenterClient.test.tsx
+++ b/furniture-3d-system/src/app/asset-center/AssetCenterClient.test.tsx
@@ -247,6 +247,7 @@ function createFamily(overrides?: Partial<AssetFamilyDTO>): AssetFamilyDTO {
     description: null,
     productCategoryId: null,
     productCategoryName: null,
+    assetSeriesId: 'template-1',
     compatibleSeries: [{ id: 'template-1', code: 'single-board-desk', name: '单板桌' }],
     connectionRoles: [],
     metadata: null,
diff --git a/furniture-3d-system/src/app/asset-center/AssetCenterClient.tsx b/furniture-3d-system/src/app/asset-center/AssetCenterClient.tsx
index ce5c760e..89631c1b 100644
--- a/furniture-3d-system/src/app/asset-center/AssetCenterClient.tsx
+++ b/furniture-3d-system/src/app/asset-center/AssetCenterClient.tsx
@@ -1258,16 +1258,11 @@ function getVisibleFamiliesForTab(
 
 function familyBelongsToSeries(family: AssetFamilyDTO, series: AssetSeriesDTO | null): boolean {
   if (!series) return false
-  if (family.assetSeriesId) {
-    return family.assetSeriesId === series.id
-  }
-  const compatibleSeries = family.compatibleSeries ?? []
-  return compatibleSeries.some((item) => item.id === series.id || item.code === series.code)
+  return family.assetSeriesId === series.id
 }
 
 function familyVisibleInSeriesContext(family: AssetFamilyDTO, series: AssetSeriesDTO | null): boolean {
   if (isPackagingMaterialLibraryFamily(family)) return false
-  if (family.type === 'HARDWARE') return true
   return familyBelongsToSeries(family, series)
 }
 
@@ -2250,7 +2245,6 @@ export default function AssetCenterClient({
       const count = families.filter(
         (family) =>
           familyBelongsToSeries(family, series) &&
-          family.type !== 'HARDWARE' &&
           !isPackagingMaterialLibraryFamily(family),
       ).length
       map.set(series.id, count)
@@ -2824,7 +2818,7 @@ export default function AssetCenterClient({
     setFamilyRoleDefinitions(
       mergeConnectionRoleDefinitions({
         assetType: defaultAssetType,
-        seriesCode: defaultAssetType === 'HARDWARE' ? null : defaultSeriesCode,
+        seriesCode: defaultSeriesCode,
       }),
     )
     setFamilyModalOpen(true)
@@ -2969,9 +2963,7 @@ export default function AssetCenterClient({
     const submittedAssetSeriesId = familyForm.assetSeriesId || null
     const submittedCompatibleSeriesIds = submittedAssetSeriesId ? [submittedAssetSeriesId] : []
     const primarySeriesCode =
-      familyForm.type === 'HARDWARE'
-        ? null
-        : initialAssetSeries.find((series) => series.id === submittedAssetSeriesId)?.code ?? null
+      initialAssetSeries.find((series) => series.id === submittedAssetSeriesId)?.code ?? null
     const hiddenRecommendedRoleValues = getStandardConnectionRoleDefinitions({
       assetType: familyForm.type,
       seriesCode: primarySeriesCode,
@@ -4485,9 +4477,7 @@ export default function AssetCenterClient({
 
     setFamilyRoleDefinitions((current) => {
       const primarySeriesCode =
-        familyForm.type === 'HARDWARE'
-          ? null
-          : initialAssetSeries.find((series) => series.id === familyForm.assetSeriesId)?.code ?? null
+        initialAssetSeries.find((series) => series.id === familyForm.assetSeriesId)?.code ?? null
       const merged = mergeConnectionRoleDefinitions({
         assetType: familyForm.type,
         seriesCode: primarySeriesCode,
@@ -6531,8 +6521,7 @@ export default function AssetCenterClient({
               placeholder="例如 单板桌桌面板"
             />
           </div>
-          {familyForm.type !== 'HARDWARE' ? (
-            <Select
+          <Select
               label="归属系列"
               required
               searchable
@@ -6562,8 +6551,7 @@ export default function AssetCenterClient({
                 label: `${series.name} · ${series.code}`,
               }))}
               placeholder="请选择归属系列"
-            />
-          ) : null}
+          />
           <details className="group rounded-apple-lg border border-apple-separator bg-apple-bg-secondary/30">
             <summary className="flex cursor-pointer list-none items-center justify-between gap-3 px-4 py-3">
               <div className="flex items-center gap-2">
diff --git a/furniture-3d-system/src/app/asset-center/AssetCenterClient.workflow.test.tsx b/furniture-3d-system/src/app/asset-center/AssetCenterClient.workflow.test.tsx
index bababa0c..21ee4d9b 100644
--- a/furniture-3d-system/src/app/asset-center/AssetCenterClient.workflow.test.tsx
+++ b/furniture-3d-system/src/app/asset-center/AssetCenterClient.workflow.test.tsx
@@ -21,6 +21,10 @@ jest.mock('next/link', () => ({
   ),
 }))
 
+jest.mock('next/navigation', () => ({
+  useRouter: () => ({ push: jest.fn() }),
+}))
+
 jest.mock('@/components/ui/Modal', () => ({
   __esModule: true,
   default: ({
@@ -227,6 +231,7 @@ describe('AssetCenterClient workflow', () => {
       description: null,
       productCategoryId: null,
       productCategoryName: null,
+      assetSeriesId: 'template-1',
       compatibleSeries: [{ id: 'template-1', code: 'single-board-desk', name: '单板桌' }],
       connectionRoles: ['desktop_surface'],
       metadata: null,
@@ -278,6 +283,7 @@ describe('AssetCenterClient workflow', () => {
             description: null,
             productCategoryId: null,
             productCategoryName: null,
+            assetSeriesId: 'template-1',
       compatibleSeries: [{ id: 'template-1', code: 'single-board-desk', name: '单板桌' }],
             connectionRoles: ['desktop_surface'],
             metadata: {
@@ -350,7 +356,7 @@ describe('AssetCenterClient workflow', () => {
     await actor.click(screen.getByRole('button', { name: 'CAD 导入到该资产族' }))
     expect(screen.getByText('导入 CAD 规格款 · 板材')).toBeInTheDocument()
     expect(screen.getByText('系统自动生成')).toBeInTheDocument()
-    expect(screen.getByPlaceholderText('例如 桌面板 1200 / 方管桌腿 / 十字连接件')).toHaveValue('BOARD-001-')
+    expect(screen.getByPlaceholderText('例如 桌面板 1200 / 方管桌腿 / 十字连接件')).toHaveValue('')
     expect(screen.getByTestId('cad-import-target-family')).toHaveStyle({
       backgroundColor: 'var(--obs-shell-surface-bg)',
       borderColor: 'var(--obs-shell-border)',
@@ -378,6 +384,7 @@ describe('AssetCenterClient workflow', () => {
             description: null,
             productCategoryId: null,
             productCategoryName: null,
+            assetSeriesId: 'template-1',
       compatibleSeries: [{ id: 'template-1', code: 'single-board-desk', name: '单板桌' }],
             connectionRoles: [],
             metadata: null,
@@ -435,6 +442,7 @@ describe('AssetCenterClient workflow', () => {
       description: null,
       productCategoryId: null,
       productCategoryName: null,
+      assetSeriesId: 'template-1',
       compatibleSeries: [{ id: 'template-1', code: 'single-board-desk', name: '单板桌' }],
       connectionRoles: ['cross_support'],
       metadata: {
@@ -467,6 +475,7 @@ describe('AssetCenterClient workflow', () => {
             description: null,
             productCategoryId: null,
             productCategoryName: null,
+            assetSeriesId: 'template-1',
       compatibleSeries: [{ id: 'template-1', code: 'single-board-desk', name: '单板桌' }],
             connectionRoles: ['cross_support'],
             metadata: {
@@ -752,6 +761,7 @@ describe('AssetCenterClient workflow', () => {
       description: null,
       productCategoryId: null,
       productCategoryName: null,
+      assetSeriesId: 'template-1',
       compatibleSeries: [{ id: 'template-1', code: 'single-board-desk', name: '单板桌' }],
       connectionRoles: ['desktop_surface'],
       metadata: null,
@@ -822,6 +832,7 @@ describe('AssetCenterClient workflow', () => {
             description: null,
             productCategoryId: null,
             productCategoryName: null,
+            assetSeriesId: 'template-1',
       compatibleSeries: [{ id: 'template-1', code: 'single-board-desk', name: '单板桌' }],
             connectionRoles: ['desktop_surface'],
             metadata: null,
diff --git a/furniture-3d-system/src/app/asset-center/FamilyEditModal.tsx b/furniture-3d-system/src/app/asset-center/FamilyEditModal.tsx
index d3c2f079..cf5b651f 100644
--- a/furniture-3d-system/src/app/asset-center/FamilyEditModal.tsx
+++ b/furniture-3d-system/src/app/asset-center/FamilyEditModal.tsx
@@ -137,8 +137,7 @@ export function FamilyEditModal({
             placeholder="例如 单板桌桌面板"
           />
         </div>
-        {form.type !== 'HARDWARE' ? (
-          <div className="space-y-2">
+        <div className="space-y-2">
             <p className="text-xs font-bold text-[#2d3335]">归属系列</p>
             <div className="grid grid-cols-2 gap-2">
               {assetSeries.map((series) => {
@@ -173,8 +172,7 @@ export function FamilyEditModal({
                 )
               })}
             </div>
-          </div>
-        ) : null}
+        </div>
         <details className="group rounded-apple-lg border border-apple-separator bg-apple-bg-secondary/30">
           <summary className="flex cursor-pointer list-none items-center justify-between gap-3 px-4 py-3">
             <div className="flex items-center gap-2">
diff --git a/furniture-3d-system/src/app/asset-center/asset-center-utils.test.ts b/furniture-3d-system/src/app/asset-center/asset-center-utils.test.ts
new file mode 100644
index 00000000..3472da37
--- /dev/null
+++ b/furniture-3d-system/src/app/asset-center/asset-center-utils.test.ts
@@ -0,0 +1,53 @@
+import type { AssetFamilyDTO, AssetSeriesDTO } from '@/server/services'
+import { familyVisibleInSeriesContext } from './asset-center-utils'
+
+const dbzSeries = {
+  id: 'series-dbz',
+  code: 'DBZ',
+  name: 'single board desk',
+} as AssetSeriesDTO
+
+const cbzSeries = {
+  id: 'series-cbz',
+  code: 'CBZ',
+  name: 'bedside table',
+} as AssetSeriesDTO
+
+function createFamily(overrides?: Partial<AssetFamilyDTO>): AssetFamilyDTO {
+  return {
+    id: 'family-hardware-dbz',
+    type: 'HARDWARE',
+    code: 'DBZ-SPJK05',
+    name: 'hardware',
+    description: null,
+    productCategoryId: null,
+    productCategoryName: null,
+    assetSeriesId: dbzSeries.id,
+    compatibleSeries: [dbzSeries, cbzSeries],
+    connectionRoles: [],
+    metadata: null,
+    status: 'AVAILABLE',
+    createdBy: 'user-1',
+    creatorName: 'Test User',
+    workflow: {} as AssetFamilyDTO['workflow'],
+    createdAt: new Date('2026-06-03T00:00:00.000Z'),
+    updatedAt: new Date('2026-06-03T00:00:00.000Z'),
+    ...overrides,
+  }
+}
+
+describe('asset center series visibility', () => {
+  it('keeps hardware visible only in its owning series', () => {
+    const dbzHardware = createFamily()
+
+    expect(familyVisibleInSeriesContext(dbzHardware, dbzSeries)).toBe(true)
+    expect(familyVisibleInSeriesContext(dbzHardware, cbzSeries)).toBe(false)
+  })
+
+  it('does not fall back to compatible series without an owning series', () => {
+    const legacyFamily = createFamily({ assetSeriesId: null })
+
+    expect(familyVisibleInSeriesContext(legacyFamily, dbzSeries)).toBe(false)
+    expect(familyVisibleInSeriesContext(legacyFamily, cbzSeries)).toBe(false)
+  })
+})
diff --git a/furniture-3d-system/src/app/asset-center/asset-center-utils.ts b/furniture-3d-system/src/app/asset-center/asset-center-utils.ts
index 28417cf3..515b626e 100644
--- a/furniture-3d-system/src/app/asset-center/asset-center-utils.ts
+++ b/furniture-3d-system/src/app/asset-center/asset-center-utils.ts
@@ -517,16 +517,11 @@ export function getVisibleFamiliesForTab(
 
 export function familyBelongsToSeries(family: AssetFamilyDTO, series: AssetSeriesDTO | null): boolean {
   if (!series) return false
-  if (family.assetSeriesId) {
-    return family.assetSeriesId === series.id
-  }
-  const compatibleSeries = family.compatibleSeries ?? []
-  return compatibleSeries.some((item) => item.id === series.id || item.code === series.code)
+  return family.assetSeriesId === series.id
 }
 
 export function familyVisibleInSeriesContext(family: AssetFamilyDTO, series: AssetSeriesDTO | null): boolean {
   if (isPackagingMaterialLibraryFamily(family)) return false
-  if (family.type === 'HARDWARE') return true
   return familyBelongsToSeries(family, series)
 }