diff --git a/apps/backend/src/services/admin/platform-config/fulfillment-bindings-service.js b/apps/backend/src/services/admin/platform-config/fulfillment-bindings-service.js
index 0b983d7b..edb1064f 100644
--- a/apps/backend/src/services/admin/platform-config/fulfillment-bindings-service.js
+++ b/apps/backend/src/services/admin/platform-config/fulfillment-bindings-service.js
@@ -2,14 +2,16 @@
 
 import { getAgisoShopConfig } from '../../platforms/agiso/shop-config-service.js'
 import {
-  getOrderFulfillmentBindingConfigs,
+  filterLegacyOrderFulfillmentBindings,
   getOrderFulfillmentBindingsFilePath,
+  getLegacyOrderFulfillmentBindingConfigs,
   saveOrderFulfillmentBindingConfigs,
 } from '../../order/fulfillment-binding-config-service.js'
 import { enrichAgisoXianyuTradeOrder } from '../../platforms/agiso/xianyu/order-detail-service.js'
 import { getKuaishouEticketSourceConfig, resolveKuaishouEticketShopConfig } from '../../platforms/kuaishou-eticket/source-config-service.js'
 import { syncConfiguredFulfillmentBindings } from '../../bootstrap/fulfillment-bootstrap-service.js'
 import { getFulfillmentProfileByKey } from '../../../repositories/fulfillment-profile-repo.js'
+import { createHttpError } from '../../../utils/http.js'
 import {
   buildFulfillmentLookupResult,
   normalizeFulfillmentLookupPayload,
@@ -23,7 +25,7 @@ import { mapAdminFulfillmentBindingConfigItem } from './domain.js'
 /** @typedef {import('../../../types/admin-write-inputs.js').AdminFulfillmentBindingLookupInput} AdminFulfillmentBindingLookupInput */
 
 export async function getAdminFulfillmentBindingConfigs() {
-  const bindings = getOrderFulfillmentBindingConfigs()
+  const bindings = getLegacyOrderFulfillmentBindingConfigs()
 
   return {
     filePath: getOrderFulfillmentBindingsFilePath(),
@@ -57,7 +59,7 @@ export async function lookupAdminFulfillmentBindingOrder(payload = /** @type {Ad
   })
 
   const { detail } = resolveFulfillmentLookupDetail(detailResult, platformOrderId)
-  const bindings = getOrderFulfillmentBindingConfigs()
+  const bindings = getLegacyOrderFulfillmentBindingConfigs()
   return buildFulfillmentLookupResult({
     provider,
     platform,
@@ -80,6 +82,7 @@ export async function updateAdminFulfillmentBindingConfigs(
     resolveKuaishouEticketShopConfig,
     getFulfillmentProfileByKey,
   })
+  assertLegacyBindingConfigsOnly(normalizedBindings)
   const saved = saveOrderFulfillmentBindingConfigs(normalizedBindings)
   await syncConfiguredFulfillmentBindings()
 
@@ -88,3 +91,14 @@ export async function updateAdminFulfillmentBindingConfigs(
     bindings: saved.map(mapAdminFulfillmentBindingConfigItem),
   }
 }
+
+function assertLegacyBindingConfigsOnly(bindings = []) {
+  if (filterLegacyOrderFulfillmentBindings(bindings).length === bindings.length) {
+    return
+  }
+
+  throw createHttpError('快手履约规则请改到“快手 Cloud 新履约”页维护，旧履约规则仅保留给 Agiso 等历史场景', {
+    statusCode: 400,
+    errorCode: 'admin_fulfillment_bindings_kuaishou_cloud_moved',
+  })
+}
diff --git a/apps/backend/src/services/bootstrap/fulfillment-bootstrap-service.js b/apps/backend/src/services/bootstrap/fulfillment-bootstrap-service.js
index ddb1b172..393e656c 100644
--- a/apps/backend/src/services/bootstrap/fulfillment-bootstrap-service.js
+++ b/apps/backend/src/services/bootstrap/fulfillment-bootstrap-service.js
@@ -8,7 +8,7 @@ import {
 import { upsertProductMatchRule } from '../../repositories/product-match-rule-repo.js'
 import { normalizeProductName } from '../order/product-match-service.js'
 import { query } from '../../db/client.js'
-import { getOrderFulfillmentBindingConfigs } from '../order/fulfillment-binding-config-service.js'
+import { getLegacyOrderFulfillmentBindingConfigs } from '../order/fulfillment-binding-config-service.js'
 import {
   getKuaishouCloudFulfillmentConfig,
   mapKuaishouCloudFulfillmentItemsToBindings,
@@ -107,7 +107,7 @@ async function ensureCoreProfiles() {
 export async function syncConfiguredFulfillmentBindings(profileMap = {}) {
   const timestamp = nowIso()
   const bindingsToApply = [
-    ...getOrderFulfillmentBindingConfigs(),
+    ...getLegacyOrderFulfillmentBindingConfigs(),
     ...mapKuaishouCloudFulfillmentItemsToBindings(getKuaishouCloudFulfillmentConfig()),
   ]
 
diff --git a/apps/backend/src/services/order/fulfillment-binding-config-service.js b/apps/backend/src/services/order/fulfillment-binding-config-service.js
index aa3f2550..d12f08cd 100644
--- a/apps/backend/src/services/order/fulfillment-binding-config-service.js
+++ b/apps/backend/src/services/order/fulfillment-binding-config-service.js
@@ -13,6 +13,10 @@ export function getOrderFulfillmentBindingConfigs() {
   return loadOrderFulfillmentBindingConfigsFromFile()
 }
 
+export function getLegacyOrderFulfillmentBindingConfigs() {
+  return filterLegacyOrderFulfillmentBindings(getOrderFulfillmentBindingConfigs())
+}
+
 export function saveOrderFulfillmentBindingConfigs(rawValue) {
   const normalized = normalizeOrderFulfillmentBindingConfigs(rawValue)
   fs.mkdirSync(path.dirname(ORDER_FULFILLMENT_BINDINGS_FILE_PATH), { recursive: true })
@@ -48,6 +52,15 @@ function normalizeOrderFulfillmentBindingConfigs(rawValue) {
     .filter(Boolean)
 }
 
+export function filterLegacyOrderFulfillmentBindings(bindings = []) {
+  return (Array.isArray(bindings) ? bindings : []).filter((item) => !isKuaishouCloudFulfillmentBinding(item))
+}
+
+export function isKuaishouCloudFulfillmentBinding(binding = {}) {
+  return String(binding?.provider || '').trim() === 'khhao'
+    && String(binding?.platform || '').trim() === 'kuaishou'
+}
+
 function normalizeOrderFulfillmentBinding(rawValue) {
   if (!isPlainObject(rawValue)) {
     return null
diff --git a/apps/backend/src/services/order/fulfillment-binding-config-service.test.js b/apps/backend/src/services/order/fulfillment-binding-config-service.test.js
new file mode 100644
index 00000000..60df4603
--- /dev/null
+++ b/apps/backend/src/services/order/fulfillment-binding-config-service.test.js
@@ -0,0 +1,53 @@
+import test from 'node:test'
+import assert from 'node:assert/strict'
+
+import {
+  filterLegacyOrderFulfillmentBindings,
+  isKuaishouCloudFulfillmentBinding,
+} from './fulfillment-binding-config-service.js'
+
+test('isKuaishouCloudFulfillmentBinding only marks khhao kuaishou rules as cloud rules', () => {
+  assert.equal(
+    isKuaishouCloudFulfillmentBinding({
+      provider: 'khhao',
+      platform: 'kuaishou',
+    }),
+    true,
+  )
+
+  assert.equal(
+    isKuaishouCloudFulfillmentBinding({
+      provider: 'agiso',
+      platform: 'xianyu',
+    }),
+    false,
+  )
+})
+
+test('filterLegacyOrderFulfillmentBindings keeps agiso rules and removes khhao kuaishou rules', () => {
+  assert.deepEqual(
+    filterLegacyOrderFulfillmentBindings([
+      {
+        provider: 'agiso',
+        platform: 'xianyu',
+        shopId: 'shop-1',
+        skuCode: 'sku-a',
+      },
+      {
+        provider: 'khhao',
+        platform: 'kuaishou',
+        shopId: '4269276762',
+        khhaoShopId: '10',
+        skuCode: 'sku-b',
+      },
+    ]),
+    [
+      {
+        provider: 'agiso',
+        platform: 'xianyu',
+        shopId: 'shop-1',
+        skuCode: 'sku-a',
+      },
+    ],
+  )
+})