diff --git a/apps/backend/src/services/worker-platform/admin-service.ts b/apps/backend/src/services/worker-platform/admin-service.ts
index b3f10430..bcad978b 100644
--- a/apps/backend/src/services/worker-platform/admin-service.ts
+++ b/apps/backend/src/services/worker-platform/admin-service.ts
@@ -61,8 +61,6 @@ import {
   normalizeProblemResolutionAction,
   normalizeRequirementFields,
   normalizeRequirementFieldsFromPayload,
-  normalizeSubmittedFields,
-  normalizeUploadedFiles,
   resolveFreezeDepositAmount,
   resolveMatchingProductRuleDecision,
   resolveKuaishouWorkProductMatchContext,
@@ -76,6 +74,7 @@ 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 { resolveWorkOrderRealtimeWorkerIds } from './admin-work-order-realtime-service.js'
 import {
   getKuaishouIndustrySourceConfig,
   listKuaishouIndustryShopConfigs,
@@ -288,104 +287,10 @@ export {
   updateAdminWorkOrderSharing,
 } from './admin-work-order-sharing-service.js'
 
-export async function submitAdminWorkOrderMaterial(
-  workOrderId: number | string,
-  payload: JsonObject = {},
-  actorName = '',
-) {
-  const workOrder = await getRequiredWorkOrder(workOrderId)
-  const materialCapabilities = mapWorkOrderAdmin(workOrder).capabilities
-  if (!materialCapabilities.canUpdateMaterial) {
-    throw createHttpError('当前状态不能更新订单资料', {
-      statusCode: 409,
-      errorCode: 'work_order_material_status_invalid',
-    })
-  }
-
-  const fields = resolveRequirementFields(workOrder)
-  const submittedFields = normalizeSubmittedFields(payload.fields || payload.material || payload)
-  const complete = fields.every(
-    (field) => !field.required || String(submittedFields[field.key] || '').trim(),
-  )
-  const now = nowIso()
-  const screenshots = normalizeUploadedFiles(payload.screenshots || payload.files)
-  const hasActiveShares = Number(workOrder.active_share_quantity || 0) > 0
-  const rewardAmount = resolveAdminMaterialRewardAmount({
-    currentRewardAmount: Number(workOrder.reward_amount || 0),
-    requestedRewardAmount: payload.rewardAmount,
-    sharingEnabled: workOrder.sharing_enabled === true,
-    activeShareQuantity: Number(workOrder.active_share_quantity || 0),
-  })
-  const material = {
-    ...safeParseJson(workOrder.material_json),
-    collect: {
-      fields: submittedFields,
-      screenshots,
-      submittedAt: now,
-      complete,
-      source: 'admin',
-    },
-  }
-  const nextStatus =
-    hasActiveShares ||
-    workOrder.status === WORK_ORDER_STATUS.OPEN ||
-    workOrder.status === WORK_ORDER_STATUS.IN_PROGRESS
-      ? workOrder.status
-      : complete
-        ? WORK_ORDER_STATUS.UNASSIGNED
-        : WORK_ORDER_STATUS.PENDING_MATERIAL
-  const updated = await updateWorkOrder(workOrder.id, {
-    status: nextStatus,
-    material_json: material,
-    reward_amount: rewardAmount,
-    updated_at: now,
-  })
-  await createWorkOrderEvent({
-    workOrderId: workOrder.id,
-    actorType: 'admin',
-    actorId: actorName,
-    eventType:
-      hasActiveShares ||
-      workOrder.status === WORK_ORDER_STATUS.OPEN ||
-      workOrder.status === WORK_ORDER_STATUS.IN_PROGRESS
-        ? 'material_updated'
-        : 'material_completed',
-    fromStatus: workOrder.status,
-    toStatus: nextStatus,
-    payloadJson: JSON.stringify({
-      fields: submittedFields,
-      complete,
-      previousRewardAmount: Number(workOrder.reward_amount || 0),
-      rewardAmount,
-    }),
-    now,
-  })
-  if (nextStatus !== WORK_ORDER_STATUS.PENDING_MATERIAL) {
-    await resolveAdminNotificationEntity('work_order', Number(workOrder.id), 'material_completed')
-  }
-  publishWorkOrderRealtimeChange({
-    workOrderId: Number(workOrder.id),
-    workerIds: await resolveWorkOrderRealtimeWorkerIds(workOrder),
-  })
-  return { order: mapWorkOrderAdmin(updated || workOrder), complete }
-}
-
-/** 更新资料时仅普通接单可改价；已有参与者的拼单必须保留份额价格快照。 */
-export function resolveAdminMaterialRewardAmount(input: {
-  currentRewardAmount: number
-  requestedRewardAmount: unknown
-  sharingEnabled: boolean
-  activeShareQuantity: number
-}): number {
-  if (input.requestedRewardAmount === undefined) return input.currentRewardAmount
-  if (input.sharingEnabled && input.activeShareQuantity > 0) {
-    throw createHttpError('拼单订单的份额奖励已锁定，不能在更新资料时修改价格', {
-      statusCode: 409,
-      errorCode: 'work_order_material_reward_sharing_invalid',
-    })
-  }
-  return normalizeAmountFen(input.requestedRewardAmount, input.currentRewardAmount)
-}
+export {
+  resolveAdminMaterialRewardAmount,
+  submitAdminWorkOrderMaterial,
+} from './admin-work-order-material-service.js'
 
 export async function createAdminMockWorkOrder(payload: JsonObject = {}) {
   const defaults = await ensureWorkerPlatformDefaults()
@@ -1208,13 +1113,6 @@ export async function cancelAdminWorkOrder(
   return { order: mapWorkOrderAdmin(updated), action }
 }
 
-async function resolveWorkOrderRealtimeWorkerIds(workOrder: WorkOrderRow) {
-  const shares = await listWorkOrderShares(workOrder.id)
-  return [Number(workOrder.assigned_worker_id), ...shares.map((share) => Number(share.worker_id))]
-    .filter((workerId) => Number.isInteger(workerId) && workerId > 0)
-    .filter((workerId, index, values) => values.indexOf(workerId) === index)
-}
-
 export async function getAdminWorkerPlatformSummary() {
   const hallConfig = getWorkerHallConfig()
   const [pendingWorkers, pendingMaterial, openOrders, inProgressOrders] = await Promise.all([
diff --git a/apps/backend/src/services/worker-platform/admin-work-order-material-service.ts b/apps/backend/src/services/worker-platform/admin-work-order-material-service.ts
new file mode 100644
index 00000000..e21565aa
--- /dev/null
+++ b/apps/backend/src/services/worker-platform/admin-work-order-material-service.ts
@@ -0,0 +1,116 @@
+import { WORK_ORDER_STATUS } from '../../domain/work-order-status.js'
+import { createWorkOrderEvent, 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 { safeParseJson } from '../admin/admin-query-utils.js'
+import { resolveAdminNotificationEntity } from '../admin/admin-notification-service.js'
+import { publishWorkOrderRealtimeChange } from '../realtime/realtime-event-service.js'
+import {
+  mapWorkOrderAdmin,
+  normalizeAmountFen,
+  normalizeSubmittedFields,
+  normalizeUploadedFiles,
+  resolveRequirementFields,
+} from './mappers.js'
+import { resolveWorkOrderRealtimeWorkerIds } from './admin-work-order-realtime-service.js'
+import { getRequiredWorkOrder } from './worker-session-context-service.js'
+
+export async function submitAdminWorkOrderMaterial(
+  workOrderId: number | string,
+  payload: JsonObject = {},
+  actorName = '',
+) {
+  const workOrder = await getRequiredWorkOrder(workOrderId)
+  const materialCapabilities = mapWorkOrderAdmin(workOrder).capabilities
+  if (!materialCapabilities.canUpdateMaterial) {
+    throw createHttpError('当前状态不能更新订单资料', {
+      statusCode: 409,
+      errorCode: 'work_order_material_status_invalid',
+    })
+  }
+
+  const fields = resolveRequirementFields(workOrder)
+  const submittedFields = normalizeSubmittedFields(payload.fields || payload.material || payload)
+  const complete = fields.every(
+    (field) => !field.required || String(submittedFields[field.key] || '').trim(),
+  )
+  const now = nowIso()
+  const screenshots = normalizeUploadedFiles(payload.screenshots || payload.files)
+  const hasActiveShares = Number(workOrder.active_share_quantity || 0) > 0
+  const rewardAmount = resolveAdminMaterialRewardAmount({
+    currentRewardAmount: Number(workOrder.reward_amount || 0),
+    requestedRewardAmount: payload.rewardAmount,
+    sharingEnabled: workOrder.sharing_enabled === true,
+    activeShareQuantity: Number(workOrder.active_share_quantity || 0),
+  })
+  const material = {
+    ...safeParseJson(workOrder.material_json),
+    collect: {
+      fields: submittedFields,
+      screenshots,
+      submittedAt: now,
+      complete,
+      source: 'admin',
+    },
+  }
+  const nextStatus =
+    hasActiveShares ||
+    workOrder.status === WORK_ORDER_STATUS.OPEN ||
+    workOrder.status === WORK_ORDER_STATUS.IN_PROGRESS
+      ? workOrder.status
+      : complete
+        ? WORK_ORDER_STATUS.UNASSIGNED
+        : WORK_ORDER_STATUS.PENDING_MATERIAL
+  const updated = await updateWorkOrder(workOrder.id, {
+    status: nextStatus,
+    material_json: material,
+    reward_amount: rewardAmount,
+    updated_at: now,
+  })
+  await createWorkOrderEvent({
+    workOrderId: workOrder.id,
+    actorType: 'admin',
+    actorId: actorName,
+    eventType:
+      hasActiveShares ||
+      workOrder.status === WORK_ORDER_STATUS.OPEN ||
+      workOrder.status === WORK_ORDER_STATUS.IN_PROGRESS
+        ? 'material_updated'
+        : 'material_completed',
+    fromStatus: workOrder.status,
+    toStatus: nextStatus,
+    payloadJson: JSON.stringify({
+      fields: submittedFields,
+      complete,
+      previousRewardAmount: Number(workOrder.reward_amount || 0),
+      rewardAmount,
+    }),
+    now,
+  })
+  if (nextStatus !== WORK_ORDER_STATUS.PENDING_MATERIAL) {
+    await resolveAdminNotificationEntity('work_order', Number(workOrder.id), 'material_completed')
+  }
+  publishWorkOrderRealtimeChange({
+    workOrderId: Number(workOrder.id),
+    workerIds: await resolveWorkOrderRealtimeWorkerIds(workOrder),
+  })
+  return { order: mapWorkOrderAdmin(updated || workOrder), complete }
+}
+
+/** 更新资料时仅普通接单可改价；已有参与者的拼单必须保留份额价格快照。 */
+export function resolveAdminMaterialRewardAmount(input: {
+  currentRewardAmount: number
+  requestedRewardAmount: unknown
+  sharingEnabled: boolean
+  activeShareQuantity: number
+}): number {
+  if (input.requestedRewardAmount === undefined) return input.currentRewardAmount
+  if (input.sharingEnabled && input.activeShareQuantity > 0) {
+    throw createHttpError('拼单订单的份额奖励已锁定，不能在更新资料时修改价格', {
+      statusCode: 409,
+      errorCode: 'work_order_material_reward_sharing_invalid',
+    })
+  }
+  return normalizeAmountFen(input.requestedRewardAmount, input.currentRewardAmount)
+}
diff --git a/apps/backend/src/services/worker-platform/admin-work-order-realtime-service.ts b/apps/backend/src/services/worker-platform/admin-work-order-realtime-service.ts
new file mode 100644
index 00000000..e97dadfd
--- /dev/null
+++ b/apps/backend/src/services/worker-platform/admin-work-order-realtime-service.ts
@@ -0,0 +1,8 @@
+import { listWorkOrderShares, type WorkOrderRow } from '../../repositories/worker-platform/index.js'
+
+export async function resolveWorkOrderRealtimeWorkerIds(workOrder: WorkOrderRow) {
+  const shares = await listWorkOrderShares(workOrder.id)
+  return [Number(workOrder.assigned_worker_id), ...shares.map((share) => Number(share.worker_id))]
+    .filter((workerId) => Number.isInteger(workerId) && workerId > 0)
+    .filter((workerId, index, values) => values.indexOf(workerId) === index)
+}
diff --git a/apps/backend/src/services/worker-platform/index.ts b/apps/backend/src/services/worker-platform/index.ts
index c6302346..8d3885a3 100644
--- a/apps/backend/src/services/worker-platform/index.ts
+++ b/apps/backend/src/services/worker-platform/index.ts
@@ -29,6 +29,8 @@ 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 './admin-work-order-realtime-service.js'
+export * from './admin-work-order-material-service.js'
 export * from './worker-product-match-config-service.js'
 export * from './worker-announcement-config-service.js'
 export * from './worker-hall-config-service.js'