diff --git a/furniture-3d-system/src/app/supply-chain/management/blank-pages/DepartmentDistributionView.tsx b/furniture-3d-system/src/app/supply-chain/management/blank-pages/DepartmentDistributionView.tsx
index c8271cad..1e4cf89c 100644
--- a/furniture-3d-system/src/app/supply-chain/management/blank-pages/DepartmentDistributionView.tsx
+++ b/furniture-3d-system/src/app/supply-chain/management/blank-pages/DepartmentDistributionView.tsx
@@ -406,7 +406,7 @@ export function DepartmentDistributionView({
               <textarea value={draft.profitCenterAlias} onChange={(event) => setDraft((current) => ({ ...current, profitCenterAlias: event.target.value }))} />
             </label>
             <label className={styles.deptConfigField}>
-              数据权限例外（一行一条：花名=范围；范围支持 全部（看所有利润中心）/ 利润中心:xx / 事业部:xx / 品类部:xx / 负责人:xx，多个用逗号）
+              数据权限例外（默认不需要配置：所有人都能看全部利润中心；只有这里写了花名的人才会被收窄。一行一条：花名=范围；范围支持 全部（看所有利润中心）/ 利润中心:xx / 事业部:xx / 品类部:xx / 负责人:xx，多个用逗号）
               <textarea value={draft.dataScopeGrants} onChange={(event) => setDraft((current) => ({ ...current, dataScopeGrants: event.target.value }))} />
             </label>
             <div className={styles.deptConfigField} style={{ gridColumn: '1 / -1' }}>
diff --git a/furniture-3d-system/src/server/services/supply-chain-department-distribution.service.ts b/furniture-3d-system/src/server/services/supply-chain-department-distribution.service.ts
index dec517ee..090e3e17 100644
--- a/furniture-3d-system/src/server/services/supply-chain-department-distribution.service.ts
+++ b/furniture-3d-system/src/server/services/supply-chain-department-distribution.service.ts
@@ -385,12 +385,12 @@ export type DepartmentViewerScope = {
 }
 
 /**
- * 方案 C 数据权限：
- *  1) 管理员看全部；
- *  2) 部门负责人（人员信息「部门负责人」）看本部门全部数据；
- *  3) 事业部/总负责人（「总负责人」）看本事业部全部数据；
- *  4) 配置里的例外授权可按 利润中心 / 事业部 / 品类部 / 负责人 追加范围；
- *  5) 其余人员只看自己名下的数据。
+ * 「各部门数据分类」数据权限：
+ *  1) 不做任何配置时，所有人都能看到全部利润中心数据（查看/导出本身由「用户管理后台」的
+ *     「商品SABC打标 · 各部门数据分类」节点控制，默认开放）；
+ *  2) 管理员始终全部可见；
+ *  3) 只有在「数据权限例外」里显式给某人配置了范围（利润中心 / 事业部 / 品类部 / 负责人）
+ *     时才会收窄；写 全部 / 所有 / * / 全公司 表示不受限。
  */
 export async function resolveDepartmentViewerScope(
   user: AuthUser,
@@ -399,13 +399,7 @@ export async function resolveDepartmentViewerScope(
 ): Promise<DepartmentViewerScope> {
   if (isAdmin(user)) return { nickname: '', isAdmin: true, allowedOwners: null, scopeLabel: '全部利润中心（管理员）' }
   const nickname = await resolveNickname(user, configs)
-  const allowed = new Set<string>(nickname ? [nickname] : [])
   const scopes = new Set<string>()
-  for (const config of configs) {
-    if (!config.operationOwner) continue
-    if (nickname && config.departmentOwner === nickname && config.department) scopes.add(`事业部:${config.department}`)
-    if (nickname && config.generalOwner === nickname && config.department) scopes.add(`事业部:${config.department}`)
-  }
   for (const grant of settings.dataScopeGrants) {
     if (grant.user !== nickname) continue
     for (const scope of grant.scopes) scopes.add(scope)
@@ -418,6 +412,16 @@ export async function resolveDepartmentViewerScope(
   if (grantsAllData) {
     return { nickname, isAdmin: false, allowedOwners: null, scopeLabel: nickname ? `全部数据（授权给 ${nickname}）` : '全部数据' }
   }
+  // 没有任何例外配置：默认全部利润中心可见，不做收窄
+  if (scopes.size === 0) {
+    return {
+      nickname,
+      isAdmin: false,
+      allowedOwners: null,
+      scopeLabel: nickname ? `全部利润中心（默认开放 · ${nickname}）` : '全部利润中心（默认开放）',
+    }
+  }
+  const allowed = new Set<string>(nickname ? [nickname] : [])
   for (const scope of scopes) {
     const [kind, rawValue] = scope.split(':')
     const value = String(rawValue ?? '').trim()
@@ -430,9 +434,7 @@ export async function resolveDepartmentViewerScope(
       if (kind === '利润中心' && config.profitCenter === value) allowed.add(config.operationOwner)
     }
   }
-  const scopeLabel = scopes.size > 0
-    ? [nickname ? `本人（${nickname}）` : '', ...scopes].filter(Boolean).join('、')
-    : nickname ? `本人（${nickname}）` : '未匹配到人员信息（无数据）'
+  const scopeLabel = [nickname ? `本人（${nickname}）` : '', ...scopes].filter(Boolean).join('、')
   return { nickname, isAdmin: false, allowedOwners: allowed, scopeLabel }
 }
 
diff --git a/furniture-3d-system/src/server/services/supply-chain-department-distribution.test.ts b/furniture-3d-system/src/server/services/supply-chain-department-distribution.test.ts
index acd31d52..8ca54d0d 100644
--- a/furniture-3d-system/src/server/services/supply-chain-department-distribution.test.ts
+++ b/furniture-3d-system/src/server/services/supply-chain-department-distribution.test.ts
@@ -82,7 +82,7 @@ describe('supply-chain department distribution', () => {
     expect(settings.targets.newProductSuccess).toBe(0.3)
   })
 
-  it('keeps admin, department owner, general owner and grant scopes apart', async () => {
+  it('opens all profit centers by default and only narrows when a grant is configured', async () => {
     const configs = [
       config({ operationOwner: '比干', profitCenter: '运营中心A', department: '事业一部', departmentOwner: '比干', generalOwner: '比干' }),
       config({ operationOwner: '西门吹雪', profitCenter: '运营中心A', department: '事业二部', secondaryDepartment: '品类三部', departmentOwner: '西门吹雪', generalOwner: '無尘' }),
@@ -98,23 +98,23 @@ describe('supply-chain department distribution', () => {
     )
     expect(admin.allowedOwners).toBeNull()
 
-    // 部门负责人：比干 管 事业一部
+    // 默认（没有任何例外配置）：所有人都能看全部利润中心，不做收窄
     const departmentOwner = await resolveDepartmentViewerScope(
       { id: 'u', email: '', name: '比干', role: 'USER', status: 'ACTIVE' },
       configs,
       settings,
     )
-    expect([...(departmentOwner.allowedOwners ?? [])].sort()).toEqual(['比干'])
+    expect(departmentOwner.allowedOwners).toBeNull()
+    expect(departmentOwner.scopeLabel).toContain('全部利润中心')
 
-    // 总负责人：無尘 管 事业二部 → 西门吹雪 + 玄女
     const generalOwner = await resolveDepartmentViewerScope(
       { id: 'u', email: '', name: '無尘', role: 'USER', status: 'ACTIVE' },
       configs,
       settings,
     )
-    expect([...(generalOwner.allowedOwners ?? [])].sort()).toEqual(['無尘', '玄女', '西门吹雪'])
+    expect(generalOwner.allowedOwners).toBeNull()
 
-    // 例外授权：香茗 额外看 利润中心:运营中心A
+    // 例外授权（显式配置才收窄）：香茗 只配了 利润中心:运营中心A
     const granted = await resolveDepartmentViewerScope(
       { id: 'u', email: '', name: '香茗', role: 'USER', status: 'ACTIVE' },
       configs,
@@ -295,15 +295,31 @@ describe('supply-chain department distribution', () => {
     expect(adminResult.profitCenters.map((center) => center.profitCenter)).toEqual(['运营中心A', '运营中心B'])
     expect(adminResult.designerTotal.productTotal).toBe(10)
 
-    // 普通人员只能看到自己那部分，小计按可见数据重算
+    // 默认不做任何配置：普通人员也能看到全部利润中心（查看/导出由用户管理后台控制）
     clearDepartmentDistributionCache()
     const selfResult = await supplyChainDepartmentDistributionService.build({
       year: 2026, month: 8,
       user: { id: 'u', email: '', name: '比干', role: 'USER', status: 'ACTIVE' },
       canExport: false,
     })
-    expect(selfResult.summary.productTotal).toBe(10)
-    expect(selfResult.profitCenters.map((center) => center.profitCenter)).toEqual(['运营中心A'])
+    expect(selfResult.summary.productTotal).toBe(20)
+    expect(selfResult.profitCenters.map((center) => center.profitCenter)).toEqual(['运营中心A', '运营中心B'])
     expect(selfResult.designerTotal.productTotal).toBe(10)
+
+    // 只有在「数据权限例外」里显式配置了范围，才会收窄（小计按可见数据重算）
+    clearDepartmentDistributionCache()
+    settingFindUnique.mockResolvedValue({
+      value: {
+        ...normalizeDepartmentSettings(null),
+        dataScopeGrants: [{ user: '比干', scopes: ['负责人:比干'] }],
+      },
+    })
+    const narrowedResult = await supplyChainDepartmentDistributionService.build({
+      year: 2026, month: 8,
+      user: { id: 'u', email: '', name: '比干', role: 'USER', status: 'ACTIVE' },
+      canExport: false,
+    })
+    expect(narrowedResult.summary.productTotal).toBe(10)
+    expect(narrowedResult.profitCenters.map((center) => center.profitCenter)).toEqual(['运营中心A'])
   })
 })