diff --git a/apps/backend/src/db/migrations/114_rename_facts_channel.sql b/apps/backend/src/db/migrations/114_rename_facts_channel.sql
new file mode 100644
index 00000000..ae22f9ab
--- /dev/null
+++ b/apps/backend/src/db/migrations/114_rename_facts_channel.sql
@@ -0,0 +1,14 @@
+-- 114_rename_facts_channel.sql
+--
+-- 命名统一：销售事实的维度列由 fulfillment_mode 改为 channel。
+-- 值本身在 112 之后已经是渠道（含 unclassified），旧名字只会误导。
+-- 唯一约束与索引会自动跟随列重命名，这里只额外修正索引名。
+
+ALTER TABLE sales_daily_facts
+  RENAME COLUMN fulfillment_mode TO channel;
+
+ALTER INDEX IF EXISTS idx_sales_daily_facts_mode
+  RENAME TO idx_sales_daily_facts_channel;
+
+COMMENT ON COLUMN sales_daily_facts.channel IS
+  '渠道维度：work_order / affiliate_dash / third_party_voucher / manual / unclassified';
diff --git a/apps/backend/src/repositories/order-repo.test.ts b/apps/backend/src/repositories/order-repo.test.ts
index 5d210642..686b3de1 100644
--- a/apps/backend/src/repositories/order-repo.test.ts
+++ b/apps/backend/src/repositories/order-repo.test.ts
@@ -104,7 +104,7 @@ test('订单列表按当前履约模式筛选，不再依赖任务执行器', as
   const calls: Array<{ sql: string; params: unknown[] }> = []
 
   await listOrdersWithExecutor(createExecutor(calls, 0), {
-    fulfillmentMode: 'manual',
+    channel: 'manual',
   })
 
   assert.match(calls[0]?.sql || '', /oi\.fulfillment_channel = \$1/)
@@ -118,7 +118,7 @@ test('订单列表待判定筛选不扫描任务执行器', async () => {
   const calls: Array<{ sql: string; params: unknown[] }> = []
 
   await listOrdersWithExecutor(createExecutor(calls, 0), {
-    fulfillmentMode: 'pending',
+    channel: 'pending',
   })
 
   assert.match(calls[0]?.sql || '', /EXISTS/)
@@ -131,7 +131,7 @@ test('订单列表历史平台筛选映射为 archived', async () => {
   const calls: Array<{ sql: string; params: unknown[] }> = []
 
   await listOrdersWithExecutor(createExecutor(calls, 0), {
-    fulfillmentMode: 'legacy_platform',
+    channel: 'legacy_platform',
   })
 
   assert.match(calls[0]?.sql || '', /oi\.fulfillment_status = 'archived'/)
@@ -142,7 +142,7 @@ test('订单列表混合履约筛选按订单项聚合判定', async () => {
   const calls: Array<{ sql: string; params: unknown[] }> = []
 
   await listOrdersWithExecutor(createExecutor(calls, 0), {
-    fulfillmentMode: 'mixed',
+    channel: 'mixed',
   })
 
   assert.match(calls[0]?.sql || '', /HAVING COUNT\(DISTINCT oi\.fulfillment_channel\) > 1/)
diff --git a/apps/backend/src/repositories/order-repo.ts b/apps/backend/src/repositories/order-repo.ts
index 8a3b98eb..3431ddad 100644
--- a/apps/backend/src/repositories/order-repo.ts
+++ b/apps/backend/src/repositories/order-repo.ts
@@ -240,7 +240,7 @@ export async function listOrdersWithExecutor(
     keyword = '',
     provider = '',
     executorKey = '',
-    fulfillmentMode = '',
+    channel = '',
     platformOrderId = '',
     payStatus = '',
     taskStatus = '',
@@ -334,9 +334,9 @@ export async function listOrdersWithExecutor(
     )
   }
 
-  if (fulfillmentMode) {
+  if (channel) {
     // v2：渠道/状态拆列后按新列筛选；legacy_platform 统一映射成 archived。
-    const normalizedMode = fulfillmentMode === 'legacy_platform' ? 'archived' : fulfillmentMode
+    const normalizedMode = channel === 'legacy_platform' ? 'archived' : channel
     if (normalizedMode === 'pending') {
       filters.push(`EXISTS (
         SELECT 1 FROM order_items oi
diff --git a/apps/backend/src/services/admin/admin-order-read-helpers.test.ts b/apps/backend/src/services/admin/admin-order-read-helpers.test.ts
index 6d4e9537..08413019 100644
--- a/apps/backend/src/services/admin/admin-order-read-helpers.test.ts
+++ b/apps/backend/src/services/admin/admin-order-read-helpers.test.ts
@@ -71,7 +71,7 @@ test('mapAdminOrderListItem formats itemTitle, skuNick, and summary correctly fo
       skuNick: '安卓血宴2钻',
       matchSku: '安卓血宴2钻',
       quantity: 1,
-      fulfillmentMode: 'pending',
+      channel: 'pending',
     },
   ])
 })
@@ -296,12 +296,11 @@ const CHANNEL_VALUES = new Set(['work_order', 'affiliate_dash', 'third_party_vou
 
 function buildOrderItemForFulfillmentTest(
   id: number,
-  fulfillmentMode: string | null,
+  value: string | null,
   patch: Partial<OrderItemRow> = {},
 ): OrderItemRow {
-  const channel = fulfillmentMode && CHANNEL_VALUES.has(fulfillmentMode) ? fulfillmentMode : null
-  const status =
-    fulfillmentMode === 'legacy_platform' ? 'archived' : channel ? 'assigned' : 'pending'
+  const channel = value && CHANNEL_VALUES.has(value) ? value : null
+  const status = value === 'legacy_platform' ? 'archived' : channel ? 'assigned' : 'pending'
   return {
     id,
     order_id: 501,
@@ -322,7 +321,7 @@ test('人工单即使有已核销快照也仍然判为 manual，核销码单独
     vouchers,
   })
 
-  assert.equal(mapped.fulfillmentMode, 'manual')
+  assert.equal(mapped.channel, 'manual')
   assert.equal(mapped.manualItemCount, 1)
   assert.equal(mapped.hasVoucher, true)
   assert.equal(mapped.voucherState, 'consumed')
@@ -337,9 +336,9 @@ test('自动发货与历史归档按渠道/状态区分，不再按 provider 猜
     items: [buildOrderItemForFulfillmentTest(2, 'legacy_platform')],
   })
 
-  assert.equal(affiliate.fulfillmentMode, 'affiliate_dash')
+  assert.equal(affiliate.channel, 'affiliate_dash')
   assert.equal(affiliate.canClaimH5, true)
-  assert.equal(legacy.fulfillmentMode, 'archived')
+  assert.equal(legacy.channel, 'archived')
   assert.equal(legacy.canClaimH5, false)
 })
 
@@ -351,7 +350,7 @@ test('多商品订单出现不同履约方式时显示 mixed，并保留人工
     ],
   })
 
-  assert.equal(summary.fulfillmentMode, 'mixed')
+  assert.equal(summary.channel, 'mixed')
   assert.equal(summary.manualItemCount, 1)
   assert.equal(summary.pendingItemCount, 0)
 })
@@ -367,14 +366,14 @@ test('核销码状态汇总：无、单一、混合', () => {
   )
 })
 
-test('v2 读取口径：归档状态优先于旧 fulfillment_mode', () => {
+test('v2 读取口径：归档状态优先于旧 channel', () => {
   const summary = resolveOrderFulfillmentSummary({
     items: [buildOrderItemForFulfillmentTest(1, 'work_order', { fulfillment_status: 'archived' })],
   })
-  assert.equal(summary.fulfillmentMode, 'archived')
+  assert.equal(summary.channel, 'archived')
 })
 
-test('v2 读取口径：渠道列优先于旧 fulfillment_mode', () => {
+test('v2 读取口径：渠道列优先于旧 channel', () => {
   const summary = resolveOrderFulfillmentSummary({
     items: [
       buildOrderItemForFulfillmentTest(1, 'manual', {
@@ -383,7 +382,7 @@ test('v2 读取口径：渠道列优先于旧 fulfillment_mode', () => {
       }),
     ],
   })
-  assert.equal(summary.fulfillmentMode, 'third_party_voucher')
+  assert.equal(summary.channel, 'third_party_voucher')
 })
 
 test('v2 读取口径：状态 pending 且无渠道时判为待分类', () => {
@@ -395,6 +394,6 @@ test('v2 读取口径：状态 pending 且无渠道时判为待分类', () => {
       }),
     ],
   })
-  assert.equal(summary.fulfillmentMode, 'pending')
+  assert.equal(summary.channel, 'pending')
   assert.equal(summary.pendingItemCount, 1)
 })
diff --git a/apps/backend/src/services/admin/admin-order-read-helpers.ts b/apps/backend/src/services/admin/admin-order-read-helpers.ts
index 68f00aad..b2b48839 100644
--- a/apps/backend/src/services/admin/admin-order-read-helpers.ts
+++ b/apps/backend/src/services/admin/admin-order-read-helpers.ts
@@ -56,7 +56,7 @@ export function mapAdminOrderListItem(
         skuNick: itSkuNick,
         matchSku: itMatchSku,
         quantity: Math.max(1, Number(orderItem.quantity || 1)),
-        fulfillmentMode: resolveOrderItemFulfillmentMode(orderItem),
+        channel: resolveOrderItemFulfillmentMode(orderItem),
       }
     })
     resolvedItemTitle = itemsList[0]?.itemTitle || ''
@@ -73,7 +73,7 @@ export function mapAdminOrderListItem(
           skuNick: resolvedSkuNick,
           matchSku: resolvedMatchSku,
           quantity: 1,
-          fulfillmentMode: 'pending',
+          channel: 'pending',
         },
       ]
     }
@@ -120,7 +120,7 @@ export function mapAdminOrderListItem(
     items: itemsList,
     taskCount: tasks.length,
     workOrderCount,
-    fulfillmentMode: fulfillment.fulfillmentMode,
+    channel: fulfillment.channel,
     manualItemCount: fulfillment.manualItemCount,
     pendingItemCount: fulfillment.pendingItemCount,
     manualPendingCount: manualConfig.pending,
@@ -138,7 +138,7 @@ export function mapAdminOrderListItem(
   }
 }
 
-const ORDER_ITEM_FULFILLMENT_MODES = new Set<AdminOrderItemFulfillmentMode>([
+const ORDER_ITEM_FULFILLMENT_CHANNELS = new Set<AdminOrderItemFulfillmentMode>([
   'work_order',
   'affiliate_dash',
   'third_party_voucher',
@@ -152,11 +152,11 @@ export function normalizeOrderItemFulfillmentMode(value: unknown): AdminOrderIte
   const mode = String(value || '')
     .trim()
     .toLowerCase() as AdminOrderItemFulfillmentMode
-  return ORDER_ITEM_FULFILLMENT_MODES.has(mode) ? mode : 'pending'
+  return ORDER_ITEM_FULFILLMENT_CHANNELS.has(mode) ? mode : 'pending'
 }
 
 /**
- * v2 读取口径：只认渠道/状态三列，不再回退旧 fulfillment_mode。
+ * v2 读取口径：只认渠道/状态三列，不再回退旧 channel。
  *
  *   archived → archived
  *   channel  → 该渠道
@@ -215,7 +215,7 @@ export function resolveOrderFulfillmentSummary({
   workOrderCount?: number
   vouchers?: KuaishouIndustryVoucherRow[]
 }): {
-  fulfillmentMode: AdminOrderFulfillmentMode
+  channel: AdminOrderFulfillmentMode
   manualItemCount: number
   pendingItemCount: number
   affiliateItemCount: number
@@ -231,36 +231,36 @@ export function resolveOrderFulfillmentSummary({
     ),
   )
 
-  let fulfillmentMode: AdminOrderFulfillmentMode
+  let channel: AdminOrderFulfillmentMode
   if (knownModes.length === 1) {
-    fulfillmentMode = knownModes[0]!
+    channel = knownModes[0]!
   } else if (knownModes.length > 1) {
-    fulfillmentMode = 'mixed'
+    channel = 'mixed'
   } else if (normalizedItems.length > 0) {
-    fulfillmentMode = 'pending'
+    channel = 'pending'
   } else if (workOrderCount > 0) {
     // 极少数历史订单没有 order_items，只能用载体表兜底；这不是按 provider 猜。
-    fulfillmentMode = 'work_order'
+    channel = 'work_order'
   } else if (tasks.some((task) => task.executor_key === 'affiliate_dash')) {
-    fulfillmentMode = 'affiliate_dash'
+    channel = 'affiliate_dash'
   } else if (
     tasks.some(
       (task) =>
         task.executor_key === 'kuaishou_ct_assisted' || task.executor_key === 'kuaishou_feifei',
     )
   ) {
-    fulfillmentMode = 'archived'
+    channel = 'archived'
   } else {
-    fulfillmentMode = 'pending'
+    channel = 'pending'
   }
 
   const affiliateItemCount = itemModes.filter((mode) => mode === 'affiliate_dash').length
   const voucher = resolveVoucherSummary(vouchers)
   const canClaimH5 =
-    affiliateItemCount > 0 || (normalizedItems.length === 0 && fulfillmentMode === 'affiliate_dash')
+    affiliateItemCount > 0 || (normalizedItems.length === 0 && channel === 'affiliate_dash')
 
   return {
-    fulfillmentMode,
+    channel,
     manualItemCount: itemModes.filter((mode) => mode === 'manual').length,
     pendingItemCount: itemModes.filter((mode) => mode === 'pending').length,
     affiliateItemCount,
diff --git a/apps/backend/src/services/admin/admin-read-service.ts b/apps/backend/src/services/admin/admin-read-service.ts
index b35ac591..8e51c719 100644
--- a/apps/backend/src/services/admin/admin-read-service.ts
+++ b/apps/backend/src/services/admin/admin-read-service.ts
@@ -106,7 +106,7 @@ export async function getAdminOrders(
     keyword: String(query.keyword || '').trim(),
     provider: String(query.provider || '').trim(),
     executorKey: String(query.executorKey || '').trim(),
-    fulfillmentMode: normalizeOrderFulfillmentModeFilter(query.fulfillmentMode),
+    channel: normalizeOrderFulfillmentModeFilter(query.channel),
     platformOrderId: String(query.platformOrderId || '').trim(),
     payStatus: String(query.payStatus || '').trim(),
     taskStatus: String(query.taskStatus || '').trim(),
@@ -147,7 +147,7 @@ export async function getAdminOrders(
   }
 }
 
-const ADMIN_ORDER_FULFILLMENT_MODES = new Set([
+const ADMIN_ORDER_FULFILLMENT_CHANNELS = new Set([
   'work_order',
   'affiliate_dash',
   'third_party_voucher',
@@ -162,7 +162,7 @@ function normalizeOrderFulfillmentModeFilter(value: unknown): string {
   const mode = String(value || '')
     .trim()
     .toLowerCase()
-  return ADMIN_ORDER_FULFILLMENT_MODES.has(mode) ? mode : ''
+  return ADMIN_ORDER_FULFILLMENT_CHANNELS.has(mode) ? mode : ''
 }
 
 function groupRowsByOrderId<T extends { order_id?: number | string | null }>(
@@ -255,7 +255,7 @@ export async function getAdminOrderDetail(
       claimStatus: order.claim_status || 'active',
       claimStatusReason: order.claim_status_reason || '',
       claimStatusUpdatedAt: order.claim_status_updated_at || null,
-      fulfillmentMode: fulfillment.fulfillmentMode,
+      channel: fulfillment.channel,
       manualItemCount: fulfillment.manualItemCount,
       pendingItemCount: fulfillment.pendingItemCount,
       manualPendingCount: manualConfig.pending,
@@ -281,7 +281,7 @@ export async function getAdminOrderDetail(
         revenueFen,
         refundedFen,
         refundableFen: Math.max(0, revenueFen - refundedFen),
-        fulfillmentMode: resolveOrderItemFulfillmentMode(item),
+        channel: resolveOrderItemFulfillmentMode(item),
         deliveryMode: resolveOrderItemDeliveryMode(tasks, item.id),
         spec:
           item.spec_json && typeof item.spec_json === 'object'
diff --git a/apps/backend/src/services/cost-center/cost-center-constants.ts b/apps/backend/src/services/cost-center/cost-center-constants.ts
index 9a947ad7..daca936f 100644
--- a/apps/backend/src/services/cost-center/cost-center-constants.ts
+++ b/apps/backend/src/services/cost-center/cost-center-constants.ts
@@ -59,13 +59,23 @@ export const COST_MODEL_CODE_BASE: Record<string, string> = {
 }
 
 /** 履约渠道：唯一真源是 order_items.fulfillment_channel + fulfillment_status。 */
-export type FulfillmentMode = 'work_order' | 'affiliate_dash' | 'legacy_platform' | 'manual'
+export type FulfillmentChannel =
+  | 'work_order'
+  | 'affiliate_dash'
+  | 'third_party_voucher'
+  | 'manual'
+  | 'pending'
+  | 'archived'
+  | 'unclassified'
 
-export const FULFILLMENT_MODES = new Set<string>([
+export const FULFILLMENT_CHANNELS = new Set<string>([
   'work_order',
   'affiliate_dash',
-  'legacy_platform',
+  'third_party_voucher',
   'manual',
+  'pending',
+  'archived',
+  'unclassified',
 ])
 
 /**
diff --git a/apps/backend/src/services/cost-center/cost-center-mappers.ts b/apps/backend/src/services/cost-center/cost-center-mappers.ts
index 24d0bffe..5fee88fa 100644
--- a/apps/backend/src/services/cost-center/cost-center-mappers.ts
+++ b/apps/backend/src/services/cost-center/cost-center-mappers.ts
@@ -4,7 +4,7 @@
  * 把数据库行映射成接口 DTO，并提供「成本模型是否适用于履约方式」这类口径函数。
  */
 import { GENERIC_COST_MODELS, PRODUCT_SOURCE_PREFIXES } from './cost-center-constants.js'
-import type { FulfillmentMode } from './cost-center-constants.js'
+import type { FulfillmentChannel } from './cost-center-constants.js'
 import { parseJsonObject } from './cost-center-normalizers.js'
 import type {
   CostExceptionDraft,
@@ -49,12 +49,12 @@ export function productSourceFilterSql(paramIndex: number, column = 'p.canonical
  * 专属模型只对对应履约方式生效；通用模型（平台费/支付费/售后损失/其他）
  * 对所有履约方式生效。
  */
-export function costModelAppliesTo(costModel: string, fulfillmentMode: string) {
+export function costModelAppliesTo(costModel: string, channel: string) {
   if ((GENERIC_COST_MODELS as readonly string[]).includes(costModel)) return true
-  if (costModel === 'affiliate_purchase') return fulfillmentMode === 'affiliate_dash'
-  if (costModel === 'work_order_reward') return fulfillmentMode === 'work_order'
-  if (costModel === 'third_party_voucher_cost') return fulfillmentMode === 'third_party_voucher'
-  if (costModel === 'manual_actual') return fulfillmentMode === 'manual'
+  if (costModel === 'affiliate_purchase') return channel === 'affiliate_dash'
+  if (costModel === 'work_order_reward') return channel === 'work_order'
+  if (costModel === 'third_party_voucher_cost') return channel === 'third_party_voucher'
+  if (costModel === 'manual_actual') return channel === 'manual'
   return false
 }
 
@@ -62,17 +62,17 @@ export function costModelAppliesTo(costModel: string, fulfillmentMode: string) {
  * 成本模型适用范围的 SQL 片段。
  * 参数是「履约方式」的 SQL 表达式（可以是占位符 $n，也可以是列引用）。
  */
-export function costModelScopeSql(fulfillmentModeExpression: string): string {
+export function costModelScopeSql(channelExpression: string): string {
   return `(
     ci.cost_model IN (${GENERIC_COST_MODELS.map((model) => `'${model}'`).join(', ')})
     OR (ci.cost_model = 'affiliate_purchase'
-      AND ${fulfillmentModeExpression} = 'affiliate_dash')
+      AND ${channelExpression} = 'affiliate_dash')
     OR (ci.cost_model = 'work_order_reward'
-      AND ${fulfillmentModeExpression} = 'work_order')
+      AND ${channelExpression} = 'work_order')
     OR (ci.cost_model = 'third_party_voucher_cost'
-      AND ${fulfillmentModeExpression} = 'third_party_voucher')
+      AND ${channelExpression} = 'third_party_voucher')
     OR (ci.cost_model = 'manual_actual'
-      AND ${fulfillmentModeExpression} = 'manual')
+      AND ${channelExpression} = 'manual')
   )`
 }
 
@@ -225,7 +225,7 @@ export function mapCostException(row: CostExceptionRow) {
     subjectId: Number(row.subject_id),
     orderItemId: row.order_item_id ? Number(row.order_item_id) : null,
     workOrderId: row.work_order_id ? Number(row.work_order_id) : null,
-    fulfillmentMode: row.fulfillment_mode || '',
+    channel: row.channel || '',
     reason: row.reason,
     status: row.status,
     detail: parseJsonObject(row.detail_json),
@@ -246,7 +246,7 @@ export type CostPreview = {
     shopId: string
     skuCode: string
     skuName: string
-    fulfillmentMode: FulfillmentMode
+    channel: FulfillmentChannel
     quantity: number
     normalizedQuantity: number
     revenueFen: number
diff --git a/apps/backend/src/services/cost-center/cost-center-types.ts b/apps/backend/src/services/cost-center/cost-center-types.ts
index 95986db8..bb29e52c 100644
--- a/apps/backend/src/services/cost-center/cost-center-types.ts
+++ b/apps/backend/src/services/cost-center/cost-center-types.ts
@@ -1,7 +1,7 @@
 /**
  * 成本中心共享层 · 行结构与 DTO 类型。
  */
-import type { CostModel, FulfillmentMode } from './cost-center-constants.js'
+import type { CostModel, FulfillmentChannel } from './cost-center-constants.js'
 
 // ---------------------------------------------------------------------------
 // 行类型
@@ -135,7 +135,7 @@ export type CostExceptionRow = {
   subject_id: number
   order_item_id: number | null
   work_order_id: number | null
-  fulfillment_mode: string | null
+  channel: string | null
   reason: string
   status: string
   detail_json: unknown
@@ -161,7 +161,7 @@ export type OrderItemCostContext = {
   basisAt: string
   workOrderId: number | null
   workProductRuleId: number | null
-  fulfillmentMode: FulfillmentMode
+  channel: FulfillmentChannel
 }
 
 export type CostLine = {
diff --git a/apps/backend/src/services/cost-center/cost-definition-service.ts b/apps/backend/src/services/cost-center/cost-definition-service.ts
index 0b5c8964..ffbf857a 100644
--- a/apps/backend/src/services/cost-center/cost-definition-service.ts
+++ b/apps/backend/src/services/cost-center/cost-definition-service.ts
@@ -17,7 +17,7 @@ import {
   COST_VERSION_SCOPES,
   COST_VERSION_SOURCES,
   COST_VERSION_STATUSES,
-  FULFILLMENT_MODES,
+  FULFILLMENT_CHANNELS,
   PRICING_MODES,
   PRODUCT_STATUSES,
   assertKnownProvider,
@@ -73,10 +73,10 @@ export async function listAdminCostItems(payload: JsonObject = {}) {
     clauses.push(`ci.status = $${params.length}`)
   }
   // 按履约方式筛选：只返回适用于该履约方式的成本模型。
-  const fulfillmentMode = text(payload.fulfillmentMode ?? payload.fulfillment_mode)
-  if (fulfillmentMode) {
-    assertOneOf(fulfillmentMode, FULFILLMENT_MODES, '履约方式无效')
-    params.push(fulfillmentMode)
+  const channel = text(payload.channel ?? payload.channel)
+  if (channel) {
+    assertOneOf(channel, FULFILLMENT_CHANNELS, '履约方式无效')
+    params.push(channel)
     clauses.push(costModelScopeSql(`$${params.length}`))
   }
 
@@ -283,10 +283,10 @@ export async function listAdminCostVersions(payload: JsonObject = {}) {
     clauses.push(`ci.cost_model = $${params.length}`)
   }
   // 按履约方式筛选：只返回适用于该履约方式的成本模型。
-  const fulfillmentMode = text(payload.fulfillmentMode ?? payload.fulfillment_mode)
-  if (fulfillmentMode) {
-    assertOneOf(fulfillmentMode, FULFILLMENT_MODES, '履约方式无效')
-    params.push(fulfillmentMode)
+  const channel = text(payload.channel ?? payload.channel)
+  if (channel) {
+    assertOneOf(channel, FULFILLMENT_CHANNELS, '履约方式无效')
+    params.push(channel)
     clauses.push(costModelScopeSql(`$${params.length}`))
   }
   const keyword = text(payload.keyword)
@@ -570,10 +570,10 @@ export async function listAdminCostExceptions(payload: JsonObject = {}) {
   // 履约渠道筛选：异常表不存渠道，改为 join order_items 读 channel/status。
   // 用 IN 半连接而不是 EXISTS：248k 异常 × 316k 订单项下，EXISTS 会逐行回表，
   // 半连接能一次物化候选集合（实测 2.7s -> 0.4s）。
-  const fulfillmentMode = text(payload.fulfillmentMode ?? payload.fulfillment_mode)
-  if (fulfillmentMode) {
-    assertOneOf(fulfillmentMode, FULFILLMENT_MODES, '履约方式无效')
-    params.push(fulfillmentMode)
+  const channel = text(payload.channel ?? payload.channel)
+  if (channel) {
+    assertOneOf(channel, FULFILLMENT_CHANNELS, '履约方式无效')
+    params.push(channel)
     clauses.push(
       `ce.order_item_id IN (
         SELECT oi.id FROM order_items oi WHERE COALESCE(oi.fulfillment_channel, CASE WHEN oi.fulfillment_status = 'archived' THEN 'archived' ELSE 'pending' END) = $${params.length}
@@ -591,7 +591,7 @@ export async function listAdminCostExceptions(payload: JsonObject = {}) {
     `
       SELECT
         ce.*,
-        COALESCE(oi.fulfillment_channel, CASE WHEN oi.fulfillment_status = 'archived' THEN 'archived' ELSE 'pending' END) AS fulfillment_mode
+        COALESCE(oi.fulfillment_channel, CASE WHEN oi.fulfillment_status = 'archived' THEN 'archived' ELSE 'pending' END) AS channel
       FROM cost_exceptions ce
       LEFT JOIN order_items oi ON oi.id = ce.order_item_id
       ${where}
@@ -629,10 +629,10 @@ export async function summarizeAdminCostExceptions(
   const params: unknown[] = []
   const clauses: string[] = []
 
-  const fulfillmentMode = text(payload.fulfillmentMode ?? payload.fulfillment_mode)
-  if (fulfillmentMode) {
-    assertOneOf(fulfillmentMode, FULFILLMENT_MODES, '履约方式无效')
-    params.push(fulfillmentMode)
+  const channel = text(payload.channel ?? payload.channel)
+  if (channel) {
+    assertOneOf(channel, FULFILLMENT_CHANNELS, '履约方式无效')
+    params.push(channel)
     clauses.push(
       `ce.order_item_id IN (
         SELECT oi.id FROM order_items oi WHERE COALESCE(oi.fulfillment_channel, CASE WHEN oi.fulfillment_status = 'archived' THEN 'archived' ELSE 'pending' END) = $${params.length}
diff --git a/apps/backend/src/services/cost-center/cost-resolution-service.ts b/apps/backend/src/services/cost-center/cost-resolution-service.ts
index a1cb5798..934dfc39 100644
--- a/apps/backend/src/services/cost-center/cost-resolution-service.ts
+++ b/apps/backend/src/services/cost-center/cost-resolution-service.ts
@@ -14,7 +14,7 @@ import type { AdminSession } from '../admin/admin-auth-service.js'
 import { normalizeMatchText, normalizeSkuSeriesEquivalence } from '../product-match/normalize.js'
 import { resolveSkuNameQuantity } from '../product-match/pricing.js'
 import {
-  FULFILLMENT_MODES,
+  FULFILLMENT_CHANNELS,
   costModelScopeSql,
   mapCostVersion,
   mapMapping,
@@ -32,7 +32,7 @@ import type {
   CostPreview,
   CostResolution,
   CostVersionRow,
-  FulfillmentMode,
+  FulfillmentChannel,
   MappingRow,
   MissingCostItem,
   OrderItemCostContext,
@@ -49,7 +49,7 @@ export async function previewAdminCost(payload: JsonObject = {}) {
     ? await resolveCostLines({
         provider: context.provider,
         shopId: context.shopId,
-        fulfillmentMode: context.fulfillmentMode,
+        channel: context.channel,
         canonicalProductId: productId,
         workProductRuleId: context.workProductRuleId,
         quantity: context.normalizedQuantity,
@@ -76,22 +76,22 @@ export async function previewAdminCost(payload: JsonObject = {}) {
         .map((item) => `${item.costItemName}（${item.costItemCode}）`)
         .join('、')}`,
       detail: {
-        fulfillmentMode: context.fulfillmentMode,
+        channel: context.channel,
         costItemIds: resolution.missingCostItems.map((item) => item.costItemId),
       },
     })
   } else if (resolution.applicableCostItemCount === 0) {
     exceptions.push({
       reason: 'cost_missing',
-      message: `没有配置适用于「${context.fulfillmentMode}」的成本项`,
-      detail: { fulfillmentMode: context.fulfillmentMode },
+      message: `没有配置适用于「${context.channel}」的成本项`,
+      detail: { channel: context.channel },
     })
   }
 
   // 人工履约的成本来自「人工 SKU 配置的消耗积分 × 平台换算率」，版本金额只是占位；
   // 这里单独给出提示，并从成本行里剔掉 0 元占位，避免预览与实际扣款对不上。
   const manualCost =
-    context.fulfillmentMode === 'manual' ? await resolveManualCostHint(context.orderItemId) : null
+    context.channel === 'manual' ? await resolveManualCostHint(context.orderItemId) : null
   const lines = manualCost
     ? resolution.lines.filter((line) => line.costItemCode !== 'sys_manual_service')
     : resolution.lines
@@ -233,7 +233,7 @@ export async function createAdminCostSnapshot(payload: JsonObject = {}, _session
             provider: preview.context.provider,
             shopId: preview.context.shopId,
             normalizedQuantity: preview.context.normalizedQuantity,
-            fulfillmentMode: preview.context.fulfillmentMode,
+            channel: preview.context.channel,
             basisAt: preview.context.basisAt,
           }),
           preview.context.basisAt,
@@ -296,7 +296,7 @@ async function resolveCostContext(payload: JsonObject): Promise<OrderItemCostCon
       basis_at: string
       work_order_id: number | null
       work_product_rule_id: number | null
-      fulfillment_mode: string | null
+      channel: string | null
     }>(
       `
         SELECT
@@ -315,7 +315,7 @@ async function resolveCostContext(payload: JsonObject): Promise<OrderItemCostCon
           COALESCE(o.paid_at, o.created_at) AS basis_at,
           wo.id AS work_order_id,
           wo.product_rule_id AS work_product_rule_id,
-          COALESCE(oi.fulfillment_channel, CASE WHEN oi.fulfillment_status = 'archived' THEN 'archived' ELSE 'pending' END) AS fulfillment_mode
+          COALESCE(oi.fulfillment_channel, CASE WHEN oi.fulfillment_status = 'archived' THEN 'archived' ELSE 'pending' END) AS channel
         FROM order_items oi
         JOIN orders o ON o.id = oi.order_id
         LEFT JOIN LATERAL (
@@ -358,7 +358,7 @@ async function resolveCostContext(payload: JsonObject): Promise<OrderItemCostCon
       basisAt: new Date(row.basis_at).toISOString(),
       workOrderId: row.work_order_id ? Number(row.work_order_id) : null,
       workProductRuleId: row.work_product_rule_id ? Number(row.work_product_rule_id) : null,
-      fulfillmentMode: resolveFulfillmentMode(row.fulfillment_mode),
+      channel: resolveFulfillmentMode(row.channel),
     }
   }
 
@@ -366,9 +366,7 @@ async function resolveCostContext(payload: JsonObject): Promise<OrderItemCostCon
   const skuCode = normalizeRequiredText(payload.skuCode ?? payload.sku_code, '平台 SKU', 120)
   const quantity = Math.max(1, Math.trunc(Number(payload.quantity) || 1))
   const skuName = normalizeOptionalText(payload.skuName ?? payload.sku_name, 200)
-  const fulfillmentMode = resolveFulfillmentMode(
-    payload.fulfillmentMode ?? payload.fulfillment_mode,
-  )
+  const channel = resolveFulfillmentMode(payload.channel ?? payload.channel)
   return {
     orderItemId: 0,
     orderId: 0,
@@ -390,7 +388,7 @@ async function resolveCostContext(payload: JsonObject): Promise<OrderItemCostCon
     workProductRuleId: normalizeOptionalId(
       payload.workProductRuleId ?? payload.work_product_rule_id,
     ),
-    fulfillmentMode,
+    channel,
   }
 }
 
@@ -398,9 +396,9 @@ async function resolveCostContext(payload: JsonObject): Promise<OrderItemCostCon
  * 履约渠道只读 order_items.fulfillment_channel / fulfillment_status。
  * 订单项还没判定时按人工处理，不允许用 provider 或核销码兜底。
  */
-function resolveFulfillmentMode(value: unknown): FulfillmentMode {
+function resolveFulfillmentMode(value: unknown): FulfillmentChannel {
   const normalized = text(value)
-  if (normalized && FULFILLMENT_MODES.has(normalized)) return normalized as FulfillmentMode
+  if (normalized && FULFILLMENT_CHANNELS.has(normalized)) return normalized as FulfillmentChannel
   return 'manual'
 }
 
@@ -455,7 +453,7 @@ async function findMappingForContext(context: OrderItemCostContext) {
 async function resolveCostLines(input: {
   provider: string
   shopId: string
-  fulfillmentMode: FulfillmentMode
+  channel: FulfillmentChannel
   canonicalProductId: number
   workProductRuleId: number | null
   quantity: number
@@ -514,7 +512,7 @@ WHERE ci.status = 'active'
       input.shopId,
       input.canonicalProductId,
       input.workProductRuleId,
-      input.fulfillmentMode,
+      input.channel,
     ],
   )
 
diff --git a/apps/backend/src/services/cost-center/product-catalog-service.ts b/apps/backend/src/services/cost-center/product-catalog-service.ts
index fbdbfefb..cd85745a 100644
--- a/apps/backend/src/services/cost-center/product-catalog-service.ts
+++ b/apps/backend/src/services/cost-center/product-catalog-service.ts
@@ -19,7 +19,7 @@ import { setAdminAffiliateProductPrice } from './affiliate-product-service.js'
 import { syncAdminWorkProductRulePrice } from '../worker-platform/admin-worker-catalog-service.js'
 import {
   AFFILIATE_TASK_AGG_JOIN,
-  FULFILLMENT_MODES,
+  FULFILLMENT_CHANNELS,
   MAPPING_CONFIDENCES,
   MAPPING_SOURCES,
   PRODUCT_CATEGORY_JOINS,
@@ -583,8 +583,8 @@ export async function listAdminChannelMappings(payload: JsonObject = {}) {
 export async function getAdminChannelMappingDiagnostics(payload: JsonObject = {}) {
   const source = text(payload.carrierType ?? payload.carrier_type ?? payload.source)
   if (source) assertOneOf(source, PRODUCT_SOURCE_FILTERS, '商品来源无效')
-  const fulfillmentMode = text(payload.fulfillmentMode ?? payload.fulfillment_mode)
-  if (fulfillmentMode) assertOneOf(fulfillmentMode, FULFILLMENT_MODES, '履约方式无效')
+  const channel = text(payload.channel ?? payload.channel)
+  if (channel) assertOneOf(channel, FULFILLMENT_CHANNELS, '履约方式无效')
 
   const productParams: unknown[] = []
   let sourceSql = 'TRUE'
@@ -627,7 +627,7 @@ export async function getAdminChannelMappingDiagnostics(payload: JsonObject = {}
             ce.detail_json->>'provider' AS provider,
             ce.detail_json->>'shopId' AS shop_id,
             COALESCE(ce.detail_json->>'skuCode', '') AS sku_code,
-            COALESCE(oi.fulfillment_channel, CASE WHEN oi.fulfillment_status = 'archived' THEN 'archived' ELSE 'pending' END) AS fulfillment_mode,
+            COALESCE(oi.fulfillment_channel, CASE WHEN oi.fulfillment_status = 'archived' THEN 'archived' ELSE 'pending' END) AS channel,
             COUNT(*)::int AS item_count
           FROM cost_exceptions ce
           JOIN order_items oi ON oi.id = ce.order_item_id
@@ -649,9 +649,7 @@ export async function getAdminChannelMappingDiagnostics(payload: JsonObject = {}
     }
   }
 
-  const modes = fulfillmentMode
-    ? [fulfillmentMode]
-    : ['work_order', 'affiliate_dash', 'legacy_platform', 'manual']
+  const modes = channel ? [channel] : ['work_order', 'affiliate_dash', 'legacy_platform', 'manual']
   // 顺序跑：并行会同时扫 cost_exceptions，实测 4 路并发比串行更慢（I/O 争抢）。
   const aggregates: Array<{ groupTotal: number; itemTotal: number }> = []
   for (const mode of modes) {
@@ -661,7 +659,7 @@ export async function getAdminChannelMappingDiagnostics(payload: JsonObject = {}
   const unmappedItemTotal = aggregates.reduce((sum, item) => sum + item.itemTotal, 0)
 
   return {
-    fulfillmentMode: fulfillmentMode || null,
+    channel: channel || null,
     productTotal: toNumber(counts.rows[0]?.product_total),
     mappingTotal: toNumber(counts.rows[0]?.mapping_total),
     mappedProductTotal: toNumber(counts.rows[0]?.mapping_product_total),
@@ -682,8 +680,8 @@ export async function listAdminUnmappedMappingGroups(payload: JsonObject = {}) {
   const params: unknown[] = []
   const clauses = [`ce.reason = 'product_mapping_missing'`, `ce.status = 'open'`]
 
-  const fulfillmentMode = text(payload.fulfillmentMode ?? payload.fulfillment_mode)
-  if (fulfillmentMode) assertOneOf(fulfillmentMode, FULFILLMENT_MODES, '履约方式无效')
+  const channel = text(payload.channel ?? payload.channel)
+  if (channel) assertOneOf(channel, FULFILLMENT_CHANNELS, '履约方式无效')
   const provider = text(payload.provider)
   if (provider) {
     params.push(normalizeProviderKey(provider))
@@ -701,9 +699,7 @@ export async function listAdminUnmappedMappingGroups(payload: JsonObject = {}) {
 
   // 分组总数单独算：SQL 守卫禁止窗口函数分页（会在 LIMIT 前消费全部候选行）。
   // 按履约方式拆开统计：命中索引，单模式约 90ms；「全部」时顺序跑四种模式。
-  const modes = fulfillmentMode
-    ? [fulfillmentMode]
-    : ['work_order', 'affiliate_dash', 'legacy_platform', 'manual']
+  const modes = channel ? [channel] : ['work_order', 'affiliate_dash', 'legacy_platform', 'manual']
   const totals: Array<{ groupTotal: number; itemTotal: number }> = []
   for (const mode of modes) {
     const totalParams = [...params, mode]
@@ -742,10 +738,10 @@ export async function listAdminUnmappedMappingGroups(payload: JsonObject = {}) {
     }
   }
 
-  const modeIndex = fulfillmentMode ? params.length + 1 : null
+  const modeIndex = channel ? params.length + 1 : null
   const pageIndex = params.length + (modeIndex ? 2 : 1)
   const offsetIndex = pageIndex + 1
-  const listParams = [...params, ...(fulfillmentMode ? [fulfillmentMode] : []), pageSize, offset]
+  const listParams = [...params, ...(channel ? [channel] : []), pageSize, offset]
   const modeClause = modeIndex
     ? `AND COALESCE(oi.fulfillment_channel, CASE WHEN oi.fulfillment_status = 'archived' THEN 'archived' ELSE 'pending' END) = $${modeIndex}`
     : ''
@@ -754,7 +750,7 @@ export async function listAdminUnmappedMappingGroups(payload: JsonObject = {}) {
     shop_id: string
     sku_code: string
     sku_name: string
-    fulfillment_mode: string
+    channel: string
     item_count: number
     last_seen_at: string | null
   }>(
@@ -764,7 +760,7 @@ export async function listAdminUnmappedMappingGroups(payload: JsonObject = {}) {
           ce.detail_json->>'provider' AS provider,
           ce.detail_json->>'shopId' AS shop_id,
           COALESCE(ce.detail_json->>'skuCode', '') AS sku_code,
-          COALESCE(oi.fulfillment_channel, CASE WHEN oi.fulfillment_status = 'archived' THEN 'archived' ELSE 'pending' END) AS fulfillment_mode,
+          COALESCE(oi.fulfillment_channel, CASE WHEN oi.fulfillment_status = 'archived' THEN 'archived' ELSE 'pending' END) AS channel,
           MAX(ce.detail_json->>'skuName') AS sku_name,
           MAX(NULLIF(ce.detail_json->>'basisAt', '')) AS last_seen_at,
           COUNT(*)::int AS item_count
@@ -788,7 +784,7 @@ export async function listAdminUnmappedMappingGroups(payload: JsonObject = {}) {
       shopId: row.shop_id || '',
       skuCode: row.sku_code || '',
       skuName: row.sku_name || '',
-      fulfillmentMode: row.fulfillment_mode || '',
+      channel: row.channel || '',
       itemCount: toNumber(row.item_count),
       lastSeenAt: row.last_seen_at || null,
     })),
diff --git a/apps/backend/src/services/finance/manual-fulfillment-service.ts b/apps/backend/src/services/finance/manual-fulfillment-service.ts
index 2087ef75..9586525d 100644
--- a/apps/backend/src/services/finance/manual-fulfillment-service.ts
+++ b/apps/backend/src/services/finance/manual-fulfillment-service.ts
@@ -69,7 +69,7 @@ type ConfirmContextRow = {
   revenue_fen: string
   basis_at: string
   canonical_product_id: number | null
-  fulfillment_mode: string
+  channel: string
   config_id: number | null
   platform_key: string
   credit_quantity: string
@@ -225,7 +225,7 @@ export async function confirmManualFulfillment(payload: JsonObject, session: Adm
           COALESCE(oi.revenue_amount_fen, 0)::bigint AS revenue_fen,
           COALESCE(o.paid_at, o.created_at) AS basis_at,
           oi.canonical_product_id,
-          COALESCE(oi.fulfillment_channel, CASE WHEN oi.fulfillment_status = 'archived' THEN 'archived' ELSE 'pending' END) AS fulfillment_mode,
+          COALESCE(oi.fulfillment_channel, CASE WHEN oi.fulfillment_status = 'archived' THEN 'archived' ELSE 'pending' END) AS channel,
           oi.fulfillment_config_id AS config_id,
           COALESCE(cfg.platform_key, '') AS platform_key,
           COALESCE(cfg.credit_quantity, 0)::bigint AS credit_quantity,
@@ -256,7 +256,7 @@ export async function confirmManualFulfillment(payload: JsonObject, session: Adm
         errorCode: 'manual_fulfillment_order_item_not_found',
       })
     }
-    if (row.fulfillment_mode !== 'manual') {
+    if (row.channel !== 'manual') {
       throw createHttpError('该订单项不是人工履约', {
         statusCode: 409,
         errorCode: 'manual_fulfillment_not_manual',
diff --git a/apps/backend/src/services/finance/manual-fulfillment.integration.test.ts b/apps/backend/src/services/finance/manual-fulfillment.integration.test.ts
index 9223ea8a..7b244d14 100644
--- a/apps/backend/src/services/finance/manual-fulfillment.integration.test.ts
+++ b/apps/backend/src/services/finance/manual-fulfillment.integration.test.ts
@@ -544,7 +544,7 @@ async function createManualItem(
   const orderId = Number(order.rows[0]?.id)
   const item = await query(
     `INSERT INTO order_items (
-       order_id, sku_code, sku_name, fulfillment_mode, spec_json,
+       order_id, sku_code, sku_name, channel, spec_json,
        revenue_amount_fen, revenue_basis, created_at, updated_at
      ) VALUES ($1, $2, $3, 'manual', $4::jsonb, 5000, 'order_total', NOW(), NOW())
      RETURNING id`,
diff --git a/apps/backend/src/services/finance/sales-facts-channel-service.ts b/apps/backend/src/services/finance/sales-facts-channel-service.ts
index 18abecff..ff14e2f1 100644
--- a/apps/backend/src/services/finance/sales-facts-channel-service.ts
+++ b/apps/backend/src/services/finance/sales-facts-channel-service.ts
@@ -10,7 +10,7 @@ import { nowIso } from '../../utils/time.js'
  *   2. 归档订单（archived）不进事实；
  *   3. 成本来自 `cost_snapshots`，缺失就记 0 并计数，不把 0 当真实成本。
  *
- * 事实表暂时沿用 `fulfillment_mode` 列承载渠道值（113 再改列名）。
+ * 事实表暂时沿用 `channel` 列承载渠道值（113 再改列名）。
  */
 
 export type ChannelFactsResult = {
@@ -107,7 +107,7 @@ export async function rebuildChannelSalesDailyFacts(input: {
           ) c ON c.order_item_id = s.order_item_id
         )
         INSERT INTO sales_daily_facts (
-          stat_date, provider, shop_id, canonical_product_id, fulfillment_mode,
+          stat_date, provider, shop_id, canonical_product_id, channel,
           order_count, item_count, quantity,
           gross_revenue_fen, refund_amount_fen, net_revenue_fen,
           cost_amount_fen, cost_missing_count, cost_stage,
diff --git a/apps/backend/src/services/finance/sales-facts-service.ts b/apps/backend/src/services/finance/sales-facts-service.ts
index 6d93dbbf..c64887e5 100644
--- a/apps/backend/src/services/finance/sales-facts-service.ts
+++ b/apps/backend/src/services/finance/sales-facts-service.ts
@@ -18,7 +18,7 @@ type SalesFactRow = {
   canonical_product_id: number | null
   canonical_sku: string | null
   canonical_name: string | null
-  fulfillment_mode: string
+  channel: string
   order_count: number
   item_count: number
   quantity: string | number
@@ -99,7 +99,7 @@ export async function getSalesProfitOverview(input: SalesFactsInput = {}) {
         [range.fromDate, range.toDate],
       ),
       query<{
-        fulfillment_mode: string
+        channel: string
         item_count: number
         gross_revenue_fen: number
         cost_amount_fen: number
@@ -108,7 +108,7 @@ export async function getSalesProfitOverview(input: SalesFactsInput = {}) {
       }>(
         `
           SELECT
-            fulfillment_mode,
+            channel,
             SUM(item_count)::int AS item_count,
             SUM(gross_revenue_fen)::bigint AS gross_revenue_fen,
             SUM(cost_amount_fen)::bigint AS cost_amount_fen,
@@ -116,7 +116,7 @@ export async function getSalesProfitOverview(input: SalesFactsInput = {}) {
             SUM(gross_profit_fen)::bigint AS gross_profit_fen
           FROM sales_daily_facts
           WHERE stat_date BETWEEN $1::date AND $2::date
-          GROUP BY fulfillment_mode
+          GROUP BY channel
           ORDER BY gross_revenue_fen DESC
         `,
         [range.fromDate, range.toDate],
@@ -210,8 +210,8 @@ export async function getSalesProfitOverview(input: SalesFactsInput = {}) {
       costMissingCount: Number(row.cost_missing_count || 0),
       grossProfitFen: Number(row.gross_profit_fen || 0),
     })),
-    byFulfillmentMode: carrierResult.rows.map((row) => ({
-      fulfillmentMode: row.fulfillment_mode,
+    byChannel: carrierResult.rows.map((row) => ({
+      channel: row.channel,
       itemCount: Number(row.item_count || 0),
       grossRevenueFen: Number(row.gross_revenue_fen || 0),
       costAmountFen: Number(row.cost_amount_fen || 0),
@@ -239,9 +239,7 @@ export async function listSalesDailyFacts(input: Record<string, unknown> = {}) {
     normalizePositiveInteger(input.pageSize ?? input.page_size, 20, '每页数量'),
   )
   const provider = String(input.provider || '').trim()
-  const fulfillmentMode = String(
-    input.fulfillmentMode || input.fulfillment_mode || input.carrierType || '',
-  ).trim()
+  const channel = String(input.channel || input.channel || input.carrierType || '').trim()
   const canonicalProductId = Number(input.canonicalProductId || input.canonical_product_id || 0)
 
   const conditions = ['f.stat_date BETWEEN $1::date AND $2::date']
@@ -250,9 +248,9 @@ export async function listSalesDailyFacts(input: Record<string, unknown> = {}) {
     params.push(provider)
     conditions.push(`f.provider = $${params.length}`)
   }
-  if (fulfillmentMode) {
-    params.push(fulfillmentMode)
-    conditions.push(`f.fulfillment_mode = $${params.length}`)
+  if (channel) {
+    params.push(channel)
+    conditions.push(`f.channel = $${params.length}`)
   }
   if (Number.isInteger(canonicalProductId) && canonicalProductId > 0) {
     params.push(canonicalProductId)
@@ -301,7 +299,7 @@ function mapSalesFact(row: SalesFactRow) {
     canonicalProductId: row.canonical_product_id ? Number(row.canonical_product_id) : null,
     canonicalSku: row.canonical_sku || '',
     canonicalName: row.canonical_name || '未归一',
-    fulfillmentMode: row.fulfillment_mode,
+    channel: row.channel,
     orderCount: Number(row.order_count || 0),
     itemCount: Number(row.item_count || 0),
     quantity: Number(row.quantity || 0),
diff --git a/apps/backend/src/services/fulfillment/channel-assign-service.ts b/apps/backend/src/services/fulfillment/channel-assign-service.ts
index 9e1cb18e..c79bae0c 100644
--- a/apps/backend/src/services/fulfillment/channel-assign-service.ts
+++ b/apps/backend/src/services/fulfillment/channel-assign-service.ts
@@ -20,7 +20,7 @@ import {
  * 管道 A：渠道判定。
  *
  * 只写 `fulfillment_channel / fulfillment_status / fulfillment_source /
- * fulfillment_decided_at`，绝不写商品、成本、事实，也绝不改旧 fulfillment_mode。
+ * fulfillment_decided_at`，绝不写商品、成本、事实，也绝不改旧 channel。
  *
  * 判定顺序：
  *   1. 运营锁定 → 跳过
diff --git a/apps/backend/src/services/fulfillment/channel-types.ts b/apps/backend/src/services/fulfillment/channel-types.ts
index 3932b53c..ccaaaa74 100644
--- a/apps/backend/src/services/fulfillment/channel-types.ts
+++ b/apps/backend/src/services/fulfillment/channel-types.ts
@@ -1,7 +1,7 @@
 /**
  * 履约渠道 v2：渠道 / 状态 / 决策来源的唯一枚举定义。
  *
- * 与旧 `fulfillment_mode` 的区别：
+ * 与旧 `channel` 的区别：
  *   · 渠道只表达「谁来做」，不包含 pending/archived 这类状态；
  *   · 「待分类」是状态，不是渠道；
  *   · 「第三方卡券」是渠道，但没有履约载体，只做统计。
diff --git a/apps/backend/src/types/admin/read-inputs.ts b/apps/backend/src/types/admin/read-inputs.ts
index 83c5296b..6b0e681f 100644
--- a/apps/backend/src/types/admin/read-inputs.ts
+++ b/apps/backend/src/types/admin/read-inputs.ts
@@ -11,7 +11,7 @@ export type AdminOrderListQueryInput = {
   keyword?: string
   provider?: string
   executorKey?: string
-  fulfillmentMode?: string
+  channel?: string
   platformOrderId?: string
   payStatus?: string
   taskStatus?: string
diff --git a/apps/backend/src/types/admin/read-models.ts b/apps/backend/src/types/admin/read-models.ts
index e2b8d275..08034c37 100644
--- a/apps/backend/src/types/admin/read-models.ts
+++ b/apps/backend/src/types/admin/read-models.ts
@@ -24,7 +24,7 @@ export type AdminOrderItemSummary = {
   skuNick: string
   matchSku: string
   quantity: number
-  fulfillmentMode: AdminOrderItemFulfillmentMode
+  channel: AdminOrderItemFulfillmentMode
 }
 
 export type AdminOrderListItem = {
@@ -60,7 +60,7 @@ export type AdminOrderListItem = {
   claimStatus?: string
   claimStatusReason?: string
   claimStatusUpdatedAt?: string | null
-  fulfillmentMode: AdminOrderFulfillmentMode
+  channel: AdminOrderFulfillmentMode
   manualItemCount: number
   pendingItemCount: number
   manualPendingCount: number
diff --git a/apps/backend/src/types/repository/inputs.ts b/apps/backend/src/types/repository/inputs.ts
index 90825db9..986b4652 100644
--- a/apps/backend/src/types/repository/inputs.ts
+++ b/apps/backend/src/types/repository/inputs.ts
@@ -4,7 +4,7 @@ export type OrderListQueryInput = {
   keyword?: string
   provider?: string
   executorKey?: string
-  fulfillmentMode?: string
+  channel?: string
   platformOrderId?: string
   payStatus?: string
   taskStatus?: string
diff --git a/apps/frontend/src/pages/admin/AdminOrderDetailPage.tsx b/apps/frontend/src/pages/admin/AdminOrderDetailPage.tsx
index 82a2c690..4fe0ba95 100644
--- a/apps/frontend/src/pages/admin/AdminOrderDetailPage.tsx
+++ b/apps/frontend/src/pages/admin/AdminOrderDetailPage.tsx
@@ -271,10 +271,10 @@ export default function AdminOrderDetailPage() {
     detail.order.payStatus === 'refunded' || detail.order.orderStatus === 'cancelled'
   const canPauseOrClose = !isOrderFulfilled && !isOrderRefundedOrCancelled
   const isAutoClaimOrder = Boolean(
-    detail.order.fulfillmentMode === 'affiliate_dash' ||
-    (detail.order.fulfillmentMode === 'mixed' && detail.order.canClaimH5),
+    detail.order.channel === 'affiliate_dash' ||
+    (detail.order.channel === 'mixed' && detail.order.canClaimH5),
   )
-  const fulfillmentMode = resolveOrderFulfillmentMode(detail.order)
+  const channel = resolveOrderFulfillmentMode(detail.order)
   const voucherLabel = resolveVoucherStateLabel(detail.order.voucherState)
 
   return (
@@ -358,8 +358,8 @@ export default function AdminOrderDetailPage() {
           </Descriptions.Item>
           <Descriptions.Item label="平台订单号">{detail.order.platformOrderId}</Descriptions.Item>
           <Descriptions.Item label="履约模式">
-            <Tag color={fulfillmentMode.color} style={{ margin: 0 }}>
-              {fulfillmentMode.label}
+            <Tag color={channel.color} style={{ margin: 0 }}>
+              {channel.label}
             </Tag>
           </Descriptions.Item>
           <Descriptions.Item label="核销码">
diff --git a/apps/frontend/src/pages/admin/AdminOrdersPage.tsx b/apps/frontend/src/pages/admin/AdminOrdersPage.tsx
index f5aa9c78..9a7362cd 100644
--- a/apps/frontend/src/pages/admin/AdminOrdersPage.tsx
+++ b/apps/frontend/src/pages/admin/AdminOrdersPage.tsx
@@ -55,7 +55,7 @@ import { formatAdminDateTime } from '@/utils/admin-time'
 type OrderFilterForm = {
   keyword?: string
   provider?: string
-  fulfillmentMode?: string
+  channel?: string
   payStatus?: string
   taskStatus?: string
   dateRange?: unknown
@@ -74,7 +74,7 @@ export default function AdminOrdersPage() {
   const filters = {
     keyword: searchParams.get('keyword') || '',
     provider: searchParams.get('provider') || '',
-    fulfillmentMode: searchParams.get('fulfillmentMode') || '',
+    channel: searchParams.get('channel') || '',
     payStatus: searchParams.get('payStatus') || '',
     taskStatus: searchParams.get('taskStatus') || '',
     dateFrom: searchParams.get('dateFrom') || '',
@@ -86,7 +86,7 @@ export default function AdminOrdersPage() {
     [
       filters.dateFrom,
       filters.dateTo,
-      filters.fulfillmentMode,
+      filters.channel,
       filters.keyword,
       filters.payStatus,
       filters.provider,
@@ -106,7 +106,7 @@ export default function AdminOrdersPage() {
     form.setFieldsValue({
       keyword: filters.keyword || undefined,
       provider: filters.provider || undefined,
-      fulfillmentMode: filters.fulfillmentMode || undefined,
+      channel: filters.channel || undefined,
       payStatus: filters.payStatus || undefined,
       taskStatus: filters.taskStatus || undefined,
       dateRange:
@@ -117,7 +117,7 @@ export default function AdminOrdersPage() {
   }, [
     filters.dateFrom,
     filters.dateTo,
-    filters.fulfillmentMode,
+    filters.channel,
     filters.keyword,
     filters.payStatus,
     filters.provider,
@@ -277,14 +277,14 @@ export default function AdminOrdersPage() {
       title: '交付 / 状态',
       minWidth: 230,
       render: (_, row) => {
-        const fulfillmentMode = resolveOrderFulfillmentMode(row)
+        const channel = resolveOrderFulfillmentMode(row)
         const voucherLabel = resolveVoucherStateLabel(row.voucherState)
 
         return (
           <div className="cell-stack" style={{ gap: 4 }}>
             <Space size={[0, 4]} wrap>
-              <Tag color={fulfillmentMode.color} style={{ margin: 0, fontSize: 11 }}>
-                {fulfillmentMode.label}
+              <Tag color={channel.color} style={{ margin: 0, fontSize: 11 }}>
+                {channel.label}
               </Tag>
               {row.hasVoucher && voucherLabel ? (
                 <Tag color="gold" style={{ margin: 0, fontSize: 11 }}>
@@ -413,7 +413,7 @@ export default function AdminOrdersPage() {
     form.setFieldsValue({
       keyword: undefined,
       provider: undefined,
-      fulfillmentMode: undefined,
+      channel: undefined,
       payStatus: undefined,
       taskStatus: undefined,
       dateRange: undefined,
@@ -474,7 +474,7 @@ export default function AdminOrdersPage() {
                 }}
               />
             </Form.Item>
-            <Form.Item name="fulfillmentMode">
+            <Form.Item name="channel">
               <Select
                 allowClear
                 placeholder="履约模式"
diff --git a/apps/frontend/src/pages/admin/AdminSalesProfitPage.tsx b/apps/frontend/src/pages/admin/AdminSalesProfitPage.tsx
index 06c64371..a51a702c 100644
--- a/apps/frontend/src/pages/admin/AdminSalesProfitPage.tsx
+++ b/apps/frontend/src/pages/admin/AdminSalesProfitPage.tsx
@@ -32,7 +32,7 @@ import { ADMIN_DEFAULT_PAGE_SIZE, buildAdminTablePagination } from '@/utils/admi
 import { hasAdminPermission } from '@/utils/admin-auth'
 import { formatMoney } from './panels/shared'
 
-type FilterForm = { dateRange?: unknown; provider?: string; fulfillmentMode?: string }
+type FilterForm = { dateRange?: unknown; provider?: string; channel?: string }
 
 const FULFILLMENT_MODE_OPTIONS = [
   { value: '', label: '全部履约方式' },
@@ -71,8 +71,8 @@ export default function AdminSalesProfitPage() {
     dateFrom: string
     dateTo: string
     provider: string
-    fulfillmentMode: string
-  }>({ dateFrom: defaultDateFrom, dateTo: defaultDateTo, provider: '', fulfillmentMode: '' })
+    channel: string
+  }>({ dateFrom: defaultDateFrom, dateTo: defaultDateTo, provider: '', channel: '' })
   const [page, setPage] = useState(1)
   const [pageSize, setPageSize] = useState(ADMIN_DEFAULT_PAGE_SIZE)
   const [rebuilding, setRebuilding] = useState(false)
@@ -96,7 +96,7 @@ export default function AdminSalesProfitPage() {
       dateFrom: range[0] ? dayjs(range[0]).format('YYYY-MM-DD') : '',
       dateTo: range[1] ? dayjs(range[1]).format('YYYY-MM-DD') : '',
       provider: values.provider || '',
-      fulfillmentMode: values.fulfillmentMode || '',
+      channel: values.channel || '',
     })
   }
 
@@ -107,7 +107,7 @@ export default function AdminSalesProfitPage() {
       dateFrom: defaultDateFrom,
       dateTo: defaultDateTo,
       provider: '',
-      fulfillmentMode: '',
+      channel: '',
     })
   }
 
@@ -180,12 +180,10 @@ export default function AdminSalesProfitPage() {
     },
   ]
 
-  const fulfillmentModeColumns: TableColumnsType<
-    NonNullable<typeof overview>['byFulfillmentMode'][number]
-  > = [
+  const channelColumns: TableColumnsType<NonNullable<typeof overview>['byChannel'][number]> = [
     {
       title: '履约方式',
-      dataIndex: 'fulfillmentMode',
+      dataIndex: 'channel',
       render: (value: string) => FULFILLMENT_MODE_LABEL[value] || value,
     },
     { title: '订单项', dataIndex: 'itemCount', width: 90 },
@@ -223,7 +221,7 @@ export default function AdminSalesProfitPage() {
     },
     {
       title: '履约方式',
-      dataIndex: 'fulfillmentMode',
+      dataIndex: 'channel',
       width: 100,
       render: (value: string) => FULFILLMENT_MODE_LABEL[value] || value,
     },
@@ -263,7 +261,7 @@ export default function AdminSalesProfitPage() {
           initialValues={{
             dateRange: [dayjs().subtract(29, 'day'), dayjs()],
             provider: '',
-            fulfillmentMode: '',
+            channel: '',
           }}
         >
           <Form.Item name="dateRange" label="销售日期">
@@ -280,7 +278,7 @@ export default function AdminSalesProfitPage() {
               ]}
             />
           </Form.Item>
-          <Form.Item name="fulfillmentMode" label="履约方式">
+          <Form.Item name="channel" label="履约方式">
             <Select style={{ width: 150 }} options={FULFILLMENT_MODE_OPTIONS} />
           </Form.Item>
           <Form.Item>
@@ -425,10 +423,10 @@ export default function AdminSalesProfitPage() {
               label: '履约方式',
               children: (
                 <PercentTable
-                  rowKey="fulfillmentMode"
+                  rowKey="channel"
                   size="small"
-                  columns={fulfillmentModeColumns}
-                  dataSource={overview?.byFulfillmentMode || []}
+                  columns={channelColumns}
+                  dataSource={overview?.byChannel || []}
                   loading={overviewQuery.isLoading}
                   pagination={false}
                   scroll={{ x: 800 }}
diff --git a/apps/frontend/src/pages/admin/cost-center/ChannelMappingPanel.tsx b/apps/frontend/src/pages/admin/cost-center/ChannelMappingPanel.tsx
index 709a6452..82b49f2e 100644
--- a/apps/frontend/src/pages/admin/cost-center/ChannelMappingPanel.tsx
+++ b/apps/frontend/src/pages/admin/cost-center/ChannelMappingPanel.tsx
@@ -71,7 +71,7 @@ export function ChannelMappingPanel() {
     queryFn: () =>
       fetchAdminChannelMappingDiagnostics({
         carrierType: productSourceFilter,
-        fulfillmentMode: productSourceFilter,
+        channel: productSourceFilter,
       }),
   })
   const diagnostics = diagnosticsQuery.data?.data
@@ -107,7 +107,7 @@ export function ChannelMappingPanel() {
     ],
     queryFn: () =>
       fetchAdminUnmappedMappingGroups({
-        fulfillmentMode: productSourceFilter,
+        channel: productSourceFilter,
         provider: queueProvider || undefined,
         keyword: queueKeyword || undefined,
         page: queuePage,
diff --git a/apps/frontend/src/pages/admin/cost-center/ChannelMappingQueue.tsx b/apps/frontend/src/pages/admin/cost-center/ChannelMappingQueue.tsx
index abe9792b..f49b7314 100644
--- a/apps/frontend/src/pages/admin/cost-center/ChannelMappingQueue.tsx
+++ b/apps/frontend/src/pages/admin/cost-center/ChannelMappingQueue.tsx
@@ -62,7 +62,7 @@ export default function ChannelMappingQueue({
   onCreateMapping,
 }: Props) {
   const isEmpty = !loading && groupTotal === 0
-  const hasManual = groups.some((row) => row.fulfillmentMode === 'manual')
+  const hasManual = groups.some((row) => row.channel === 'manual')
 
   const columns: TableColumnsType<UnmappedMappingGroup> = [
     {
@@ -97,7 +97,7 @@ export default function ChannelMappingQueue({
     },
     {
       title: '履约方式',
-      dataIndex: 'fulfillmentMode',
+      dataIndex: 'channel',
       width: 120,
       render: (value: string) => (
         <Tag color={FULFILLMENT_MODE_COLORS[value] || 'default'}>
@@ -199,7 +199,7 @@ export default function ChannelMappingQueue({
 
       <PercentTable<UnmappedMappingGroup>
         tableLayout="fixed"
-        rowKey={(row) => `${row.provider}-${row.shopId}-${row.fulfillmentMode}-${row.skuCode}`}
+        rowKey={(row) => `${row.provider}-${row.shopId}-${row.channel}-${row.skuCode}`}
         size="small"
         columns={columns}
         dataSource={groups}
diff --git a/apps/frontend/src/pages/admin/cost-center/CostCenterContext.ts b/apps/frontend/src/pages/admin/cost-center/CostCenterContext.ts
index df4e3017..f7150151 100644
--- a/apps/frontend/src/pages/admin/cost-center/CostCenterContext.ts
+++ b/apps/frontend/src/pages/admin/cost-center/CostCenterContext.ts
@@ -20,7 +20,7 @@ export type CostCenterContextValue = {
   /** 商品/映射按 canonical_sku 前缀筛选。 */
   productSourceFilter?: ProductSource
   /** 成本项/版本/异常按履约方式筛选。 */
-  fulfillmentModeFilter?: 'affiliate_dash' | 'work_order' | 'third_party_voucher' | 'manual'
+  channelFilter?: 'affiliate_dash' | 'work_order' | 'third_party_voucher' | 'manual'
 
   options?: {
     providers: string[]
diff --git a/apps/frontend/src/pages/admin/cost-center/CostCenterShell.tsx b/apps/frontend/src/pages/admin/cost-center/CostCenterShell.tsx
index 39ce86d5..d53ee3a0 100644
--- a/apps/frontend/src/pages/admin/cost-center/CostCenterShell.tsx
+++ b/apps/frontend/src/pages/admin/cost-center/CostCenterShell.tsx
@@ -108,7 +108,7 @@ export default function CostCenterShell() {
   const scopeLabel = SCOPES.find((item) => item.key === scope)?.label ?? '全部'
   const scopeHint = SCOPES.find((item) => item.key === scope)?.hint ?? ''
   const productSourceFilter = scope === 'all' ? undefined : scope
-  const fulfillmentModeFilter =
+  const channelFilter =
     scope === 'all'
       ? undefined
       : (scope as 'affiliate_dash' | 'work_order' | 'third_party_voucher' | 'manual')
@@ -122,7 +122,7 @@ export default function CostCenterShell() {
         setScope,
         scopeLabel,
         productSourceFilter,
-        fulfillmentModeFilter,
+        channelFilter,
         options,
         refreshAll,
       }}
diff --git a/apps/frontend/src/pages/admin/cost-center/CostExceptionPanel.tsx b/apps/frontend/src/pages/admin/cost-center/CostExceptionPanel.tsx
index 8b66fb50..44a32559 100644
--- a/apps/frontend/src/pages/admin/cost-center/CostExceptionPanel.tsx
+++ b/apps/frontend/src/pages/admin/cost-center/CostExceptionPanel.tsx
@@ -30,7 +30,7 @@ import {
   fetchAdminCostExceptions,
   resolveAdminCostException,
 } from '@/services/admin'
-import type { CostException, FulfillmentMode } from '@/types/admin'
+import type { CostException, FulfillmentChannel } from '@/types/admin'
 import { ADMIN_DEFAULT_PAGE_SIZE, buildAdminTablePagination } from '@/utils/admin-pagination'
 import { formatAdminDateTime } from '@/utils/admin-time'
 
@@ -69,7 +69,7 @@ const RANGE_OPTIONS = [
 
 export function CostExceptionPanel() {
   const { message } = App.useApp()
-  const { canConfig, fulfillmentModeFilter, refreshAll } = useCostCenter()
+  const { canConfig, channelFilter, refreshAll } = useCostCenter()
 
   const [status, setStatus] = useState('open')
   const [rangeDays, setRangeDays] = useState(1)
@@ -88,12 +88,12 @@ export function CostExceptionPanel() {
   const summaryQuery = useQuery({
     queryKey: [
       'admin-cost-center-exceptions-summary',
-      fulfillmentModeFilter,
+      channelFilter,
       rangeDays <= 0 ? 1 : rangeDays,
     ],
     queryFn: () =>
       fetchAdminCostExceptionSummary({
-        fulfillmentMode: fulfillmentModeFilter,
+        channel: channelFilter,
         recentDays: rangeDays <= 0 ? 1 : rangeDays,
       }),
   })
@@ -102,7 +102,7 @@ export function CostExceptionPanel() {
   const exceptionsQuery = useQuery({
     queryKey: [
       'admin-cost-center-exceptions',
-      fulfillmentModeFilter,
+      channelFilter,
       status,
       rangeDays,
       reason,
@@ -112,7 +112,7 @@ export function CostExceptionPanel() {
     queryFn: () =>
       fetchAdminCostExceptions({
         status: status || undefined,
-        fulfillmentMode: fulfillmentModeFilter,
+        channel: channelFilter,
         reason,
         since:
           rangeDays > 0
@@ -177,9 +177,9 @@ export function CostExceptionPanel() {
     },
     {
       title: '履约方式',
-      dataIndex: 'fulfillmentMode',
+      dataIndex: 'channel',
       width: 120,
-      render: (value: FulfillmentMode | '') =>
+      render: (value: FulfillmentChannel | '') =>
         value ? (
           <Tag color={FULFILLMENT_MODE_TAG_COLORS[value] || 'default'}>
             {FULFILLMENT_MODE_LABELS[value] || value}
diff --git a/apps/frontend/src/pages/admin/cost-center/CostPreviewModal.tsx b/apps/frontend/src/pages/admin/cost-center/CostPreviewModal.tsx
index 79c54eaa..63d51614 100644
--- a/apps/frontend/src/pages/admin/cost-center/CostPreviewModal.tsx
+++ b/apps/frontend/src/pages/admin/cost-center/CostPreviewModal.tsx
@@ -121,8 +121,7 @@ export function CostPreviewModal({ open, orderItemId, onClose }: CostPreviewModa
               {preview.context.skuCode} · {preview.context.skuName || '-'}
             </Descriptions.Item>
             <Descriptions.Item label="履约方式">
-              {FULFILLMENT_MODE_LABELS[preview.context.fulfillmentMode] ||
-                preview.context.fulfillmentMode}
+              {FULFILLMENT_MODE_LABELS[preview.context.channel] || preview.context.channel}
             </Descriptions.Item>
             <Descriptions.Item label="标准商品">
               {preview.product
diff --git a/apps/frontend/src/pages/admin/cost-center/WorkOrderPricePanel.tsx b/apps/frontend/src/pages/admin/cost-center/WorkOrderPricePanel.tsx
index 52a958f1..4f8d7753 100644
--- a/apps/frontend/src/pages/admin/cost-center/WorkOrderPricePanel.tsx
+++ b/apps/frontend/src/pages/admin/cost-center/WorkOrderPricePanel.tsx
@@ -37,7 +37,7 @@ export function WorkOrderPricePanel() {
       fetchAdminCostVersions({
         keyword: keyword || undefined,
         status: status || undefined,
-        fulfillmentMode: 'work_order',
+        channel: 'work_order',
         page,
         pageSize,
       }),
diff --git a/apps/frontend/src/pages/admin/cost-center/shared.ts b/apps/frontend/src/pages/admin/cost-center/shared.ts
index 402a0a36..b11fc8a9 100644
--- a/apps/frontend/src/pages/admin/cost-center/shared.ts
+++ b/apps/frontend/src/pages/admin/cost-center/shared.ts
@@ -2,7 +2,7 @@
  * 成本中心前端共享层：类型、常量、标签与页面上下文。
  *
  * 口径（2026-10-23 重写）：
- *   1. 履约方式唯一真源是 order_items.fulfillment_mode，前端只读不改；
+ *   1. 履约渠道唯一真源是 order_items.fulfillment_channel + status，前端只读不改；
  *   2. 商品来源由 canonical_sku 前缀推导，前端不再存「商品载体」字段；
  *   3. 成本项用 cost_model 表达「成本怎么算」，没有「适用载体」这一列。
  */
diff --git a/apps/frontend/src/services/admin/finance.ts b/apps/frontend/src/services/admin/finance.ts
index 2cb31ed1..c7c29432 100644
--- a/apps/frontend/src/services/admin/finance.ts
+++ b/apps/frontend/src/services/admin/finance.ts
@@ -32,7 +32,7 @@ export type AdminSalesProfitParams = {
   dateFrom?: string
   dateTo?: string
   provider?: string
-  fulfillmentMode?: string
+  channel?: string
   page?: number
   pageSize?: number
 }
diff --git a/apps/frontend/src/types/admin/cost-center.ts b/apps/frontend/src/types/admin/cost-center.ts
index b817abd4..6363f8af 100644
--- a/apps/frontend/src/types/admin/cost-center.ts
+++ b/apps/frontend/src/types/admin/cost-center.ts
@@ -2,7 +2,7 @@
  * 履约渠道：v2 唯一真源是 order_items.fulfillment_channel；
  * legacy_platform 仅历史数据兜底显示。
  */
-export type FulfillmentMode =
+export type FulfillmentChannel =
   | 'work_order'
   | 'affiliate_dash'
   | 'third_party_voucher'
@@ -143,7 +143,7 @@ export interface CostException {
   subjectId: number
   orderItemId: number | null
   workOrderId: number | null
-  fulfillmentMode: FulfillmentMode | ''
+  channel: FulfillmentChannel | ''
   reason: string
   status: 'open' | 'resolved' | 'ignored'
   detail: Record<string, unknown>
@@ -265,7 +265,7 @@ export interface CostPreview {
     shopId: string
     skuCode: string
     skuName: string
-    fulfillmentMode: FulfillmentMode
+    channel: FulfillmentChannel
     quantity: number
     normalizedQuantity: number
     revenueFen: number
@@ -343,7 +343,7 @@ export interface CostExceptionListResult {
 }
 
 export interface ChannelMappingDiagnostics {
-  fulfillmentMode: string | null
+  channel: string | null
   productTotal: number
   mappingTotal: number
   mappedProductTotal: number
@@ -357,7 +357,7 @@ export interface UnmappedMappingGroup {
   shopId: string
   skuCode: string
   skuName: string
-  fulfillmentMode: string
+  channel: string
   itemCount: number
   lastSeenAt: string | null
 }
diff --git a/apps/frontend/src/types/admin/finance.ts b/apps/frontend/src/types/admin/finance.ts
index 72039c4d..5a86f624 100644
--- a/apps/frontend/src/types/admin/finance.ts
+++ b/apps/frontend/src/types/admin/finance.ts
@@ -93,8 +93,8 @@ export type AdminSalesProfitOverview = {
     costMissingCount: number
     grossProfitFen: number
   }>
-  byFulfillmentMode: Array<{
-    fulfillmentMode: string
+  byChannel: Array<{
+    channel: string
     itemCount: number
     grossRevenueFen: number
     costAmountFen: number
@@ -121,7 +121,7 @@ export type AdminSalesDailyFact = {
   canonicalProductId: number | null
   canonicalSku: string
   canonicalName: string
-  fulfillmentMode: string
+  channel: string
   orderCount: number
   itemCount: number
   quantity: number
diff --git a/apps/frontend/src/types/admin/orders.ts b/apps/frontend/src/types/admin/orders.ts
index 5a679d89..56573d9f 100644
--- a/apps/frontend/src/types/admin/orders.ts
+++ b/apps/frontend/src/types/admin/orders.ts
@@ -26,7 +26,7 @@ export interface AdminOrderItemSummary {
   skuNick: string
   matchSku: string
   quantity: number
-  fulfillmentMode: AdminOrderItemFulfillmentMode
+  channel: AdminOrderItemFulfillmentMode
 }
 
 export interface AdminOrderListItem {
@@ -62,7 +62,7 @@ export interface AdminOrderListItem {
   claimStatus?: string
   claimStatusReason?: string
   claimStatusUpdatedAt?: string | null
-  fulfillmentMode: AdminOrderFulfillmentMode
+  channel: AdminOrderFulfillmentMode
   manualItemCount: number
   pendingItemCount: number
   /** 可确认履约的人工项数量 */
@@ -88,7 +88,7 @@ export interface AdminOrderDetail {
     claimStatus?: string
     claimStatusReason?: string
     claimStatusUpdatedAt?: string | null
-    fulfillmentMode: AdminOrderFulfillmentMode
+    channel: AdminOrderFulfillmentMode
     manualItemCount: number
     pendingItemCount: number
     /** 可确认履约的人工项数量 */
@@ -128,7 +128,7 @@ export interface AdminOrderDetail {
     refundedFen: number
     /** 还可退金额（分） */
     refundableFen: number
-    fulfillmentMode: AdminOrderItemFulfillmentMode
+    channel: AdminOrderItemFulfillmentMode
     deliveryMode: string
     spec: Record<string, unknown>
   }>
diff --git a/apps/frontend/src/utils/admin-display.ts b/apps/frontend/src/utils/admin-display.ts
index 8b43a608..adffea7d 100644
--- a/apps/frontend/src/utils/admin-display.ts
+++ b/apps/frontend/src/utils/admin-display.ts
@@ -219,7 +219,7 @@ export function resolveOrderPlatformBadge(row: { platform?: string; provider?: s
 }
 
 export function resolveOrderFulfillmentMode(row: {
-  fulfillmentMode?:
+  channel?:
     | 'work_order'
     | 'affiliate_dash'
     | 'third_party_voucher'
@@ -229,7 +229,7 @@ export function resolveOrderFulfillmentMode(row: {
     | 'archived'
     | 'mixed'
 }): { label: string; color: string } {
-  switch (row.fulfillmentMode) {
+  switch (row.channel) {
     case 'affiliate_dash':
       return { label: '⚡ 自动发货', color: 'blue' }
     case 'work_order':
diff --git a/apps/frontend/src/utils/admin-options.ts b/apps/frontend/src/utils/admin-options.ts
index 5d0cf19d..62cea4dc 100644
--- a/apps/frontend/src/utils/admin-options.ts
+++ b/apps/frontend/src/utils/admin-options.ts
@@ -28,7 +28,7 @@ export const adminOrderExecutorOptions = [
   { label: '人工履约', value: 'manual_dispatch' },
 ]
 
-/** 订单列表按 order_items.fulfillment_mode 聚合后的履约方式筛选。 */
+/** 订单列表按 order_items.fulfillment_channel 聚合后的渠道筛选。 */
 export const adminOrderFulfillmentModeOptions = [
   { label: '自动发货', value: 'affiliate_dash' },
   { label: '接单平台', value: 'work_order' },