diff --git a/apps/backend/src/services/worker-platform/admin-service.ts b/apps/backend/src/services/worker-platform/admin-service.ts
index fe59cd36..b3f10430 100644
--- a/apps/backend/src/services/worker-platform/admin-service.ts
+++ b/apps/backend/src/services/worker-platform/admin-service.ts
@@ -55,7 +55,6 @@ import {
   mapWorkOrderAdmin,
   mapWorkOrderShare,
   normalizeAmountFen,
-  normalizeBoolean,
   normalizeInteger,
   normalizeOptionalId,
   normalizePositiveInteger,
@@ -77,7 +76,6 @@ import {
 import { ensureWorkerPlatformDefaults } from './worker-platform-defaults.js'
 import { normalizeWorkOrderTimeoutPolicy } from './work-order-timeout-policy.js'
 import { getRequiredWorkOrder, getRequiredWorker } from './worker-session-context-service.js'
-import { resolveSharingQuantity } from './admin-worker-catalog-service.js'
 import {
   getKuaishouIndustrySourceConfig,
   listKuaishouIndustryShopConfigs,
@@ -285,77 +283,10 @@ export async function deductAdminWorkOrderPendingDeposit(
   return { deductedAmount: result.deductedAmount }
 }
 
-export async function getAdminWorkOrderSharing(workOrderId: number | string) {
-  const workOrder = await getRequiredWorkOrder(workOrderId)
-  const shares = await listWorkOrderShares(workOrder.id)
-  return {
-    order: mapWorkOrderAdmin(workOrder, shares),
-    shares: shares.map(mapWorkOrderShare),
-  }
-}
-
-export async function updateAdminWorkOrderSharing(
-  workOrderId: number | string,
-  payload: JsonObject = {},
-  actorName = '',
-) {
-  const workOrder = await getRequiredWorkOrder(workOrderId)
-  if (!mapWorkOrderAdmin(workOrder).capabilities.canConfigureSharing) {
-    throw createHttpError('只有待完善、未分配或待抢单的工单可以配置拼单', {
-      statusCode: 409,
-      errorCode: 'work_order_sharing_config_status_invalid',
-    })
-  }
-  const enabled = normalizeBoolean(
-    payload.enabled ?? payload.sharingEnabled ?? payload.sharing_enabled,
-    false,
-  )
-  const unitReward = normalizeAmountFen(
-    payload.unitReward ?? payload.sharingUnitReward ?? payload.sharingUnitRewardYuan,
-    0,
-  )
-  const totalAmount = normalizeAmountFen(
-    payload.totalAmount ?? payload.sharingTotalAmount ?? payload.sharingTotalAmountYuan,
-    0,
-  )
-  const totalQuantity = resolveSharingQuantity(
-    totalAmount,
-    normalizePositiveInteger(
-      payload.totalQuantity ?? payload.sharingTotalQuantity ?? payload.sharing_total_quantity,
-      1,
-    ),
-    unitReward,
-  )
-  const resolvedTotalAmount = totalAmount > 0 ? totalAmount : unitReward * totalQuantity
-  const now = nowIso()
-  const updated = await updateWorkOrder(workOrder.id, {
-    sharing_enabled: enabled,
-    sharing_total_quantity: totalQuantity,
-    sharing_unit_reward: unitReward,
-    reward_amount: enabled ? resolvedTotalAmount : workOrder.reward_amount,
-    updated_at: now,
-  })
-  await createWorkOrderEvent({
-    workOrderId: workOrder.id,
-    actorType: 'admin',
-    actorId: actorName,
-    eventType: 'sharing_config_updated',
-    fromStatus: workOrder.status,
-    toStatus: updated?.status || workOrder.status,
-    payloadJson: JSON.stringify({
-      enabled,
-      totalQuantity,
-      unitReward,
-      totalAmount: resolvedTotalAmount,
-    }),
-    now,
-  })
-  publishWorkOrderRealtimeChange({
-    workOrderId: Number(workOrder.id),
-    hallChanged: workOrder.status === WORK_ORDER_STATUS.OPEN,
-  })
-  return { order: mapWorkOrderAdmin(updated || workOrder) }
-}
+export {
+  getAdminWorkOrderSharing,
+  updateAdminWorkOrderSharing,
+} from './admin-work-order-sharing-service.js'
 
 export async function submitAdminWorkOrderMaterial(
   workOrderId: number | string,
diff --git a/apps/backend/src/services/worker-platform/admin-work-order-sharing-service.ts b/apps/backend/src/services/worker-platform/admin-work-order-sharing-service.ts
new file mode 100644
index 00000000..b850c799
--- /dev/null
+++ b/apps/backend/src/services/worker-platform/admin-work-order-sharing-service.ts
@@ -0,0 +1,91 @@
+import { WORK_ORDER_STATUS } from '../../domain/work-order-status.js'
+import {
+  createWorkOrderEvent,
+  listWorkOrderShares,
+  updateWorkOrder,
+} from '../../repositories/worker-platform/index.js'
+import type { JsonObject } from '../../types/json.js'
+import { createHttpError } from '../../utils/http.js'
+import { nowIso } from '../../utils/time.js'
+import { publishWorkOrderRealtimeChange } from '../realtime/realtime-event-service.js'
+import {
+  mapWorkOrderAdmin,
+  mapWorkOrderShare,
+  normalizeAmountFen,
+  normalizeBoolean,
+  normalizePositiveInteger,
+} from './mappers.js'
+import { resolveSharingQuantity } from './admin-worker-catalog-service.js'
+import { getRequiredWorkOrder } from './worker-session-context-service.js'
+
+export async function getAdminWorkOrderSharing(workOrderId: number | string) {
+  const workOrder = await getRequiredWorkOrder(workOrderId)
+  const shares = await listWorkOrderShares(workOrder.id)
+  return {
+    order: mapWorkOrderAdmin(workOrder, shares),
+    shares: shares.map(mapWorkOrderShare),
+  }
+}
+
+export async function updateAdminWorkOrderSharing(
+  workOrderId: number | string,
+  payload: JsonObject = {},
+  actorName = '',
+) {
+  const workOrder = await getRequiredWorkOrder(workOrderId)
+  if (!mapWorkOrderAdmin(workOrder).capabilities.canConfigureSharing) {
+    throw createHttpError('只有待完善、未分配或待抢单的工单可以配置拼单', {
+      statusCode: 409,
+      errorCode: 'work_order_sharing_config_status_invalid',
+    })
+  }
+  const enabled = normalizeBoolean(
+    payload.enabled ?? payload.sharingEnabled ?? payload.sharing_enabled,
+    false,
+  )
+  const unitReward = normalizeAmountFen(
+    payload.unitReward ?? payload.sharingUnitReward ?? payload.sharingUnitRewardYuan,
+    0,
+  )
+  const totalAmount = normalizeAmountFen(
+    payload.totalAmount ?? payload.sharingTotalAmount ?? payload.sharingTotalAmountYuan,
+    0,
+  )
+  const totalQuantity = resolveSharingQuantity(
+    totalAmount,
+    normalizePositiveInteger(
+      payload.totalQuantity ?? payload.sharingTotalQuantity ?? payload.sharing_total_quantity,
+      1,
+    ),
+    unitReward,
+  )
+  const resolvedTotalAmount = totalAmount > 0 ? totalAmount : unitReward * totalQuantity
+  const now = nowIso()
+  const updated = await updateWorkOrder(workOrder.id, {
+    sharing_enabled: enabled,
+    sharing_total_quantity: totalQuantity,
+    sharing_unit_reward: unitReward,
+    reward_amount: enabled ? resolvedTotalAmount : workOrder.reward_amount,
+    updated_at: now,
+  })
+  await createWorkOrderEvent({
+    workOrderId: workOrder.id,
+    actorType: 'admin',
+    actorId: actorName,
+    eventType: 'sharing_config_updated',
+    fromStatus: workOrder.status,
+    toStatus: updated?.status || workOrder.status,
+    payloadJson: JSON.stringify({
+      enabled,
+      totalQuantity,
+      unitReward,
+      totalAmount: resolvedTotalAmount,
+    }),
+    now,
+  })
+  publishWorkOrderRealtimeChange({
+    workOrderId: Number(workOrder.id),
+    hallChanged: workOrder.status === WORK_ORDER_STATUS.OPEN,
+  })
+  return { order: mapWorkOrderAdmin(updated || workOrder) }
+}
diff --git a/apps/backend/src/services/worker-platform/index.ts b/apps/backend/src/services/worker-platform/index.ts
index 51e6264e..c6302346 100644
--- a/apps/backend/src/services/worker-platform/index.ts
+++ b/apps/backend/src/services/worker-platform/index.ts
@@ -28,6 +28,7 @@ export * from './admin-worker-user-service.js'
 export * from './admin-work-order-query-service.js'
 export * from './admin-worker-feedback-service.js'
 export * from './admin-worker-cancel-service.js'
+export * from './admin-work-order-sharing-service.js'
 export * from './worker-product-match-config-service.js'
 export * from './worker-announcement-config-service.js'
 export * from './worker-hall-config-service.js'