diff --git a/apps/backend/data/kuaishou-cloud-fulfillment.example.json b/apps/backend/data/kuaishou-cloud-fulfillment.example.json
index 41e470e5..29ccc46e 100644
--- a/apps/backend/data/kuaishou-cloud-fulfillment.example.json
+++ b/apps/backend/data/kuaishou-cloud-fulfillment.example.json
@@ -14,8 +14,7 @@
       "externalItemId": "",
       "externalSkuName": "示例外部商品",
       "resolvedSkuName": "示例快手云商品",
-      "cloudSourceKey": "default",
-      "cloudSourceKeyFallbacks": [],
+      "cloudSourceKeys": ["account_example"],
       "cloudSkuId": 1,
       "cloudSkuName": "示例云商品",
       "autoBuyEnabled": true,
diff --git a/apps/backend/src/services/admin/admin-read-shared-helpers.ts b/apps/backend/src/services/admin/admin-read-shared-helpers.ts
index 1307acc2..5e419522 100644
--- a/apps/backend/src/services/admin/admin-read-shared-helpers.ts
+++ b/apps/backend/src/services/admin/admin-read-shared-helpers.ts
@@ -84,9 +84,8 @@ export function mapKuaishouCloudFulfillmentContext(value: unknown): JsonRecord |
     },
     binding: {
       prepareStatus: String(binding.prepareStatus || 'pending').trim() || 'pending',
-      cloudSourceKey: String(binding.cloudSourceKey || '').trim(),
-      cloudSourceKeyFallbacks: Array.isArray(binding.cloudSourceKeyFallbacks)
-        ? binding.cloudSourceKeyFallbacks.map((value: unknown) => String(value || '').trim()).filter(Boolean)
+      cloudSourceKeys: Array.isArray(binding.cloudSourceKeys)
+        ? binding.cloudSourceKeys.map((value: unknown) => String(value || '').trim()).filter(Boolean)
         : [],
       resolvedSourceKey: String(binding.resolvedSourceKey || '').trim(),
       skuId: Number(binding.skuId || 0) || 0,
diff --git a/apps/backend/src/services/admin/platform-config/cloudtentacles/mappers.test.ts b/apps/backend/src/services/admin/platform-config/cloudtentacles/mappers.test.ts
index 64aa9747..3bb77f9d 100644
--- a/apps/backend/src/services/admin/platform-config/cloudtentacles/mappers.test.ts
+++ b/apps/backend/src/services/admin/platform-config/cloudtentacles/mappers.test.ts
@@ -79,7 +79,7 @@ test('mapAdminKuaishouCloudFulfillmentSource normalizes items and defaults', ()
           id: ' item-1 ',
           provider: '',
           platform: '',
-          cloudSourceKey: '',
+          cloudSourceKeys: [' account_a ', 'account_b'],
           cloudSkuId: '0',
           autoConsumeAfterDispatch: true,
           kuaishouConsumeShopId: ' ks1 ',
@@ -103,8 +103,7 @@ test('mapAdminKuaishouCloudFulfillmentSource normalizes items and defaults', ()
           externalItemId: '',
           externalSkuName: '',
           resolvedSkuName: '',
-          cloudSourceKey: 'default',
-          cloudSourceKeyFallbacks: [],
+          cloudSourceKeys: ['account_a', 'account_b'],
           cloudSkuId: 0,
           cloudSkuName: '',
           vnKey: '',
diff --git a/apps/backend/src/services/admin/platform-config/cloudtentacles/mappers.ts b/apps/backend/src/services/admin/platform-config/cloudtentacles/mappers.ts
index 587d5430..557cf93f 100644
--- a/apps/backend/src/services/admin/platform-config/cloudtentacles/mappers.ts
+++ b/apps/backend/src/services/admin/platform-config/cloudtentacles/mappers.ts
@@ -75,10 +75,8 @@ export function mapAdminKuaishouCloudFulfillmentItem(item: JsonObject = {}) {
     externalItemId: String(item.externalItemId || "").trim(),
     externalSkuName: String(item.externalSkuName || "").trim(),
     resolvedSkuName: String(item.resolvedSkuName || "").trim(),
-    cloudSourceKey:
-      String(item.cloudSourceKey || "default").trim() || "default",
-    cloudSourceKeyFallbacks: Array.isArray(item.cloudSourceKeyFallbacks)
-      ? item.cloudSourceKeyFallbacks
+    cloudSourceKeys: Array.isArray(item.cloudSourceKeys)
+      ? item.cloudSourceKeys
           .map((value) => String(value || "").trim())
           .filter(Boolean)
       : [],
diff --git a/apps/backend/src/services/admin/write/kuaishou-cloud-actions.ts b/apps/backend/src/services/admin/write/kuaishou-cloud-actions.ts
index 50047e51..9b8a22a0 100644
--- a/apps/backend/src/services/admin/write/kuaishou-cloud-actions.ts
+++ b/apps/backend/src/services/admin/write/kuaishou-cloud-actions.ts
@@ -75,7 +75,7 @@ export async function prepareAdminTaskKuaishouCloudFulfillment(
 
   const taskContext = parseTaskContext(task)
   const flow = normalizeKuaishouCloudFlow(taskContext.kuaishouCloudFulfillment)
-  const cloudContext = resolvePersistedCloudtentaclesContext()
+  const cloudContext = resolvePersistedCloudtentaclesContext(flow.binding.cloudSourceKeys)
   const [knapsack, skuList] = await Promise.all([
     getCloudtentaclesKnapsack(cloudContext),
     listCloudtentaclesSku(cloudContext),
@@ -164,6 +164,7 @@ export async function prepareAdminTaskKuaishouCloudFulfillment(
       ...flowWithResolvedBinding,
       binding: {
         ...flowWithResolvedBinding.binding,
+        resolvedSourceKey: cloudContext.resolvedSourceKey,
         vnKey: preparedBinding.vnKey,
         prepareStatus: 'ready',
         vnId,
@@ -250,7 +251,10 @@ export async function dispatchAdminTaskKuaishouCloudFulfillment(
 
   const taskContext = parseTaskContext(task)
   const flow = normalizeKuaishouCloudFlow(taskContext.kuaishouCloudFulfillment)
-  const cloudContext = resolvePersistedCloudtentaclesContext()
+  const cloudContext = resolvePersistedCloudtentaclesContext([
+    flow.binding.resolvedSourceKey,
+    ...flow.binding.cloudSourceKeys,
+  ])
 
   if (!flow.binding.skuId || !flow.binding.vnId || !flow.binding.vnPhone) {
     throw createHttpError('当前任务还没有准备好绑定资源，请先准备绑定资源', {
@@ -364,7 +368,10 @@ export async function refreshAdminTaskKuaishouCloudRoleInfo(
     })
   }
 
-  const cloudContext = resolvePersistedCloudtentaclesContext()
+  const cloudContext = resolvePersistedCloudtentaclesContext([
+    flow.binding.resolvedSourceKey,
+    ...flow.binding.cloudSourceKeys,
+  ])
   const bindInfoResult = await getCloudtentaclesBindInfo({
     ...cloudContext,
     key: flow.binding.vnKey,
@@ -441,7 +448,10 @@ export async function returnNumberAdminTaskKuaishouCloudFulfillment(
 
   const taskContext = parseTaskContext(task)
   const flow = normalizeKuaishouCloudFlow(taskContext.kuaishouCloudFulfillment)
-  const cloudContext = resolvePersistedCloudtentaclesContext()
+  const cloudContext = resolvePersistedCloudtentaclesContext([
+    flow.binding.resolvedSourceKey,
+    ...flow.binding.cloudSourceKeys,
+  ])
 
   if (!flow.binding.vnId || !flow.binding.vnKey) {
     throw createHttpError('当前任务缺少可退还的虚拟号信息', {
diff --git a/apps/backend/src/services/admin/write/kuaishou-cloud-helpers.ts b/apps/backend/src/services/admin/write/kuaishou-cloud-helpers.ts
index 1400f423..3358e966 100644
--- a/apps/backend/src/services/admin/write/kuaishou-cloud-helpers.ts
+++ b/apps/backend/src/services/admin/write/kuaishou-cloud-helpers.ts
@@ -1,7 +1,7 @@
 import { createHttpError } from '../../../utils/http.js'
 import type { HttpErrorLike } from '../../../utils/http.js'
 import {
-  resolvePersistedCloudtentaclesContext as resolveFulfillmentPersistedCloudtentaclesContext,
+  resolvePersistedCloudtentaclesContextBySourceKeys,
 } from '../../fulfillment/kuaishou-cloud/cloudtentacles-context.js'
 
 export {
@@ -23,6 +23,7 @@ export type CloudtentaclesContext = {
   token: string
   deviceId: string
   deviceType: number
+  resolvedSourceKey: string
 }
 
 export type CloudSkuLikeItem = {
@@ -62,9 +63,9 @@ export type PreparedKuaishouCloudBindResource = {
   bindUrl: string
 }
 
-export function resolvePersistedCloudtentaclesContext(): CloudtentaclesContext {
+export function resolvePersistedCloudtentaclesContext(sourceKeys: unknown[]): CloudtentaclesContext {
   try {
-    return resolveFulfillmentPersistedCloudtentaclesContext()
+    return resolvePersistedCloudtentaclesContextBySourceKeys(sourceKeys)
   } catch (error) {
     if (isMissingCloudtentaclesTokenError(error)) {
       throw createHttpError('当前 cloudtentacles 没有可用 token，请先到平台配置完成登录校验', {
diff --git a/apps/backend/src/services/claim/kuaishou-cloud-claim-context.ts b/apps/backend/src/services/claim/kuaishou-cloud-claim-context.ts
index cde8804f..a77dd140 100644
--- a/apps/backend/src/services/claim/kuaishou-cloud-claim-context.ts
+++ b/apps/backend/src/services/claim/kuaishou-cloud-claim-context.ts
@@ -172,7 +172,10 @@ export function mapClaimKuaishouCloudFulfillment(task: TaskRow, order: OrderRow)
     },
     binding: {
       prepareStatus: String(binding.prepareStatus || 'pending').trim() || 'pending',
-      cloudSourceKey: String(binding.cloudSourceKey || '').trim(),
+      cloudSourceKeys: Array.isArray(binding.cloudSourceKeys)
+        ? binding.cloudSourceKeys.map((value: unknown) => String(value || '').trim()).filter(Boolean)
+        : [],
+      resolvedSourceKey: String(binding.resolvedSourceKey || '').trim(),
       skuId: Number(binding.skuId || 0) || 0,
       skuName: String(binding.skuName || '').trim(),
       vnKey: String(binding.vnKey || '').trim(),
diff --git a/apps/backend/src/services/fulfillment/kuaishou-cloud/cloudtentacles-context.ts b/apps/backend/src/services/fulfillment/kuaishou-cloud/cloudtentacles-context.ts
index 9cfc8d37..ea13b759 100644
--- a/apps/backend/src/services/fulfillment/kuaishou-cloud/cloudtentacles-context.ts
+++ b/apps/backend/src/services/fulfillment/kuaishou-cloud/cloudtentacles-context.ts
@@ -1,56 +1,18 @@
 import { createHttpError } from "../../../utils/http.js";
-import {
-  getCloudtentaclesSourceConfig,
-  getCloudtentaclesSourceByKey,
-} from "../../platforms/cloudtentacles/source-config-service.js";
-import {
-  getCloudtentaclesSessionState,
-  getCloudtentaclesSessionStateByKey,
-} from "../../platforms/cloudtentacles/session-state-service.js";
+import { getCloudtentaclesSourceByKey } from "../../platforms/cloudtentacles/source-config-service.js";
+import { getCloudtentaclesSessionStateByKey } from "../../platforms/cloudtentacles/session-state-service.js";
 import { normalizeStringArray } from "./domain.js";
 
-export function resolvePersistedCloudtentaclesContext(sourceKey = "default") {
-  const source =
-    getCloudtentaclesSourceByKey(sourceKey) || getCloudtentaclesSourceConfig();
-  const session =
-    getCloudtentaclesSessionStateByKey(sourceKey) ||
-    getCloudtentaclesSessionState();
-  const token = String(session.token || "").trim();
-
-  if (!token) {
-    throw createHttpError(
-      "当前 cloudtentacles 没有可用 token，请先到平台配置完成登录校验",
-      {
-        statusCode: 409,
-        errorCode: "kuaishou_cloud_missing_cloud_token",
-      }
-    );
-  }
-
-  return {
-    baseUrl:
-      String(session.baseUrl || source.baseUrl || "").trim() ||
-      "https://123.207.217.176",
-    token,
-    deviceId: String(session.deviceId || source.deviceId || "-").trim() || "-",
-    deviceType: Number(session.deviceType ?? source.deviceType ?? 0),
-  };
-}
-
 /**
- * 按优先级依次尝试 cloudSourceKey 和 fallbacks 列表中的账号，
+ * 按优先级依次尝试 cloudSourceKeys 列表中的账号，
  * 找到第一个有可用 token 的账号返回其 context。
  * 将实际使用的 resolvedSourceKey 也返回，确保后续操作（退号、发货等）
  * 使用同一个 sourceKey，防止跨账号操作导致数据不一致。
  */
-export function resolvePersistedCloudtentaclesContextWithFallback(
-  primarySourceKey = "default",
-  fallbacks: unknown[] = []
+export function resolvePersistedCloudtentaclesContextBySourceKeys(
+  sourceKeys: unknown[] = []
 ) {
-  const candidates = [
-    String(primarySourceKey || "default").trim() || "default",
-    ...normalizeStringArray(fallbacks),
-  ];
+  const candidates = normalizeStringArray(sourceKeys);
 
   const uniqueCandidates = [...new Set(candidates)];
 
@@ -101,7 +63,7 @@ export function resolvePersistedCloudtentaclesContextWithFallback(
   throw (
     lastError ||
     createHttpError(
-      "所有 cloudtentacles 备选账号均不可用，请先到平台配置完成登录校验",
+      "所有 cloudtentacles 账号均不可用，请先到平台配置完成登录校验",
       { statusCode: 409, errorCode: "kuaishou_cloud_all_source_keys_exhausted" }
     )
   );
diff --git a/apps/backend/src/services/fulfillment/kuaishou-cloud/domain.ts b/apps/backend/src/services/fulfillment/kuaishou-cloud/domain.ts
index deecbc22..afcf4753 100644
--- a/apps/backend/src/services/fulfillment/kuaishou-cloud/domain.ts
+++ b/apps/backend/src/services/fulfillment/kuaishou-cloud/domain.ts
@@ -62,11 +62,7 @@ export function normalizeKuaishouCloudFlow(value: unknown) {
     binding: {
       prepareStatus:
         String(binding.prepareStatus || "pending").trim() || "pending",
-      cloudSourceKey:
-        String(binding.cloudSourceKey || "default").trim() || "default",
-      cloudSourceKeyFallbacks: normalizeStringArray(
-        binding.cloudSourceKeyFallbacks
-      ),
+      cloudSourceKeys: normalizeStringArray(binding.cloudSourceKeys),
       resolvedSourceKey: String(binding.resolvedSourceKey || "").trim(),
       skuId: Number(binding.skuId || 0) || 0,
       skuName: String(binding.skuName || "").trim(),
diff --git a/apps/backend/src/services/fulfillment/kuaishou-cloud/index.ts b/apps/backend/src/services/fulfillment/kuaishou-cloud/index.ts
index b35a8ae4..de687416 100644
--- a/apps/backend/src/services/fulfillment/kuaishou-cloud/index.ts
+++ b/apps/backend/src/services/fulfillment/kuaishou-cloud/index.ts
@@ -35,7 +35,7 @@ import {
   resolveKuaishouCloudVnKeyCandidates,
 } from "./binding-resources.js";
 import {
-  resolvePersistedCloudtentaclesContextWithFallback,
+  resolvePersistedCloudtentaclesContextBySourceKeys,
 } from "./cloudtentacles-context.js";
 import {
   getTaskClaimExpiresAt,
@@ -55,8 +55,7 @@ export {
   resolveKuaishouCloudBindUrlExpiresAt,
 } from "./domain.js";
 export {
-  resolvePersistedCloudtentaclesContext,
-  resolvePersistedCloudtentaclesContextWithFallback,
+  resolvePersistedCloudtentaclesContextBySourceKeys,
 } from "./cloudtentacles-context.js";
 
 export async function ensureTaskClaimLink(task: TaskRow) {
@@ -135,9 +134,8 @@ export async function prepareKuaishouCloudFulfillmentTask(
     };
   }
 
-  const cloudContext = resolvePersistedCloudtentaclesContextWithFallback(
-    flow.binding.cloudSourceKey || "default",
-    flow.binding.cloudSourceKeyFallbacks || []
+  const cloudContext = resolvePersistedCloudtentaclesContextBySourceKeys(
+    flow.binding.cloudSourceKeys
   );
   const [knapsack, skuList] = await Promise.all([
     getCloudtentaclesKnapsack(cloudContext),
@@ -335,12 +333,10 @@ export async function refreshKuaishouCloudTaskBindUrl(
     });
   }
 
-  const effectiveSourceKey =
-    flow.binding.resolvedSourceKey || flow.binding.cloudSourceKey || "default";
-  const cloudContext = resolvePersistedCloudtentaclesContextWithFallback(
-    effectiveSourceKey,
-    flow.binding.cloudSourceKeyFallbacks || []
-  );
+  const cloudContext = resolvePersistedCloudtentaclesContextBySourceKeys([
+    flow.binding.resolvedSourceKey,
+    ...flow.binding.cloudSourceKeys,
+  ]);
   const oldVnKey = flow.binding.vnKey;
   const oldVnId = flow.binding.vnId;
   const oldVnPhone = flow.binding.vnPhone;
@@ -707,12 +703,10 @@ export async function refreshKuaishouCloudTaskRoleInfo(
     }
   }
 
-  const effectiveSourceKey =
-    flow.binding.resolvedSourceKey || flow.binding.cloudSourceKey || "default";
-  const cloudContext = resolvePersistedCloudtentaclesContextWithFallback(
-    effectiveSourceKey,
-    flow.binding.cloudSourceKeyFallbacks || []
-  );
+  const cloudContext = resolvePersistedCloudtentaclesContextBySourceKeys([
+    flow.binding.resolvedSourceKey,
+    ...flow.binding.cloudSourceKeys,
+  ]);
   const bindInfoResult = await getCloudtentaclesBindInfo({
     ...cloudContext,
     key: flow.binding.vnKey,
diff --git a/apps/backend/src/services/fulfillment/kuaishou-cloud/task-finalization.ts b/apps/backend/src/services/fulfillment/kuaishou-cloud/task-finalization.ts
index f069c1b5..b52a132f 100644
--- a/apps/backend/src/services/fulfillment/kuaishou-cloud/task-finalization.ts
+++ b/apps/backend/src/services/fulfillment/kuaishou-cloud/task-finalization.ts
@@ -18,7 +18,7 @@ import {
   normalizeKuaishouCloudFlow,
   type JsonObject,
 } from "./domain.js";
-import { resolvePersistedCloudtentaclesContextWithFallback } from "./cloudtentacles-context.js";
+import { resolvePersistedCloudtentaclesContextBySourceKeys } from "./cloudtentacles-context.js";
 import { normalizeActor, parseTaskContext } from "./task-context.js";
 import type { TaskRow } from "../../../types/repository/rows.js";
 
@@ -37,12 +37,10 @@ export async function dispatchKuaishouCloudFulfillmentTask(
   const now = nowIso();
   const taskContext = parseTaskContext(task);
   const flow = normalizeKuaishouCloudFlow(taskContext.kuaishouCloudFulfillment);
-  const effectiveSourceKey =
-    flow.binding.resolvedSourceKey || flow.binding.cloudSourceKey || "default";
-  const cloudContext = resolvePersistedCloudtentaclesContextWithFallback(
-    effectiveSourceKey,
-    flow.binding.cloudSourceKeyFallbacks || []
-  );
+  const cloudContext = resolvePersistedCloudtentaclesContextBySourceKeys([
+    flow.binding.resolvedSourceKey,
+    ...flow.binding.cloudSourceKeys,
+  ]);
 
   if (!flow.binding.skuId || !flow.binding.vnId || !flow.binding.vnPhone) {
     throw createHttpError(
@@ -178,12 +176,10 @@ export async function returnKuaishouCloudFulfillmentTask(
   const now = nowIso();
   const taskContext = parseTaskContext(task);
   const flow = normalizeKuaishouCloudFlow(taskContext.kuaishouCloudFulfillment);
-  const effectiveSourceKey =
-    flow.binding.resolvedSourceKey || flow.binding.cloudSourceKey || "default";
-  const cloudContext = resolvePersistedCloudtentaclesContextWithFallback(
-    effectiveSourceKey,
-    flow.binding.cloudSourceKeyFallbacks || []
-  );
+  const cloudContext = resolvePersistedCloudtentaclesContextBySourceKeys([
+    flow.binding.resolvedSourceKey,
+    ...flow.binding.cloudSourceKeys,
+  ]);
 
   if (!flow.binding.vnId || !flow.binding.vnKey) {
     throw createHttpError("当前任务缺少可退还的虚拟号信息", {
diff --git a/apps/backend/src/services/order/delivery-task-service.ts b/apps/backend/src/services/order/delivery-task-service.ts
index 7a8953b9..02f37978 100644
--- a/apps/backend/src/services/order/delivery-task-service.ts
+++ b/apps/backend/src/services/order/delivery-task-service.ts
@@ -185,7 +185,7 @@ export async function syncDeliveryTasksForOrderWithDeps(
               },
               binding: {
                 prepareStatus: 'pending',
-                cloudSourceKey: String(cloudtentaclesConfig.cloudSourceKey || 'default').trim() || 'default',
+                cloudSourceKeys: normalizeStringArray(cloudtentaclesConfig.cloudSourceKeys),
                 skuId: Number(cloudtentaclesConfig.skuId || 0) || 0,
                 skuName: String(cloudtentaclesConfig.skuName || '').trim(),
                 vnKey: '1',
@@ -384,6 +384,16 @@ function parseJsonObject(value: unknown): JsonObject {
   }
 }
 
+function normalizeStringArray(value: unknown): string[] {
+  if (!Array.isArray(value)) {
+    return []
+  }
+
+  return Array.from(
+    new Set(value.map((item) => String(item || '').trim()).filter(Boolean)),
+  )
+}
+
 function isTaskRow(task: TaskRow | DeliveryTaskRow | null | undefined): task is TaskRow {
   return Boolean(task && Number(task.id || 0) > 0)
 }
diff --git a/apps/backend/src/services/order/kuaishou-cloud-fulfillment-config-service.test.ts b/apps/backend/src/services/order/kuaishou-cloud-fulfillment-config-service.test.ts
index 080333a6..8503975b 100644
--- a/apps/backend/src/services/order/kuaishou-cloud-fulfillment-config-service.test.ts
+++ b/apps/backend/src/services/order/kuaishou-cloud-fulfillment-config-service.test.ts
@@ -17,6 +17,7 @@ test('mapKuaishouCloudFulfillmentItemsToBindings maps 91kaquan rules', () => {
           externalSkuCode: '952',
           externalItemId: '952',
           externalSkuName: '测试2',
+          cloudSourceKeys: ['account_a', 'account_b'],
           cloudSkuId: 28,
         },
       ],
@@ -35,8 +36,7 @@ test('mapKuaishouCloudFulfillmentItemsToBindings maps 91kaquan rules', () => {
           flowType: 'kuaishou_cloud_fulfillment',
           configId: '',
           cloudtentacles: {
-            cloudSourceKey: 'default',
-            cloudSourceKeyFallbacks: [],
+            cloudSourceKeys: ['account_a', 'account_b'],
             skuId: 28,
             skuName: '',
             vnKey: '1',
diff --git a/apps/backend/src/services/order/kuaishou-cloud-fulfillment-config-service.ts b/apps/backend/src/services/order/kuaishou-cloud-fulfillment-config-service.ts
index 44f02040..79e40ae8 100644
--- a/apps/backend/src/services/order/kuaishou-cloud-fulfillment-config-service.ts
+++ b/apps/backend/src/services/order/kuaishou-cloud-fulfillment-config-service.ts
@@ -46,11 +46,7 @@ export function mapKuaishouCloudFulfillmentItemsToBindings(config: JsonObject =
         flowType: "kuaishou_cloud_fulfillment",
         configId: String(item.id || "").trim(),
         cloudtentacles: {
-          cloudSourceKey:
-            String(item.cloudSourceKey || "default").trim() || "default",
-          cloudSourceKeyFallbacks: Array.isArray(item.cloudSourceKeyFallbacks)
-            ? item.cloudSourceKeyFallbacks
-            : [],
+          cloudSourceKeys: normalizeStringArray(item.cloudSourceKeys),
           skuId: normalizePositiveInteger(item.cloudSkuId),
           skuName: String(item.cloudSkuName || "").trim(),
           vnKey: "1",
@@ -113,6 +109,7 @@ function normalizeKuaishouCloudFulfillmentItem(rawValue: unknown) {
 
   const internalSkuCode = String(rawValue.internalSkuCode || "").trim();
   const cloudSkuId = normalizePositiveInteger(rawValue.cloudSkuId);
+  const cloudSourceKeys = normalizeStringArray(rawValue.cloudSourceKeys);
   const externalSkuCode = String(rawValue.externalSkuCode || "").trim();
   const externalItemId = String(rawValue.externalItemId || "").trim();
   const externalSkuName = String(rawValue.externalSkuName || "").trim();
@@ -135,6 +132,10 @@ function normalizeKuaishouCloudFulfillmentItem(rawValue: unknown) {
     return null;
   }
 
+  if (cloudSourceKeys.length === 0) {
+    return null;
+  }
+
   if (!externalSkuCode && !externalItemId && !externalSkuName) {
     return null;
   }
@@ -155,11 +156,7 @@ function normalizeKuaishouCloudFulfillmentItem(rawValue: unknown) {
     resolvedSkuName: String(
       rawValue.resolvedSkuName || rawValue.internalSkuName || ""
     ).trim(),
-    cloudSourceKey:
-      String(rawValue.cloudSourceKey || "default").trim() || "default",
-    cloudSourceKeyFallbacks: normalizeStringArray(
-      rawValue.cloudSourceKeyFallbacks
-    ),
+    cloudSourceKeys,
     cloudSkuId,
     cloudSkuName: String(rawValue.cloudSkuName || "").trim(),
     vnKey: "1",
@@ -204,12 +201,5 @@ function normalizeStringArray(value: unknown) {
   if (Array.isArray(value)) {
     return value.map((v: unknown) => String(v || "").trim()).filter(Boolean);
   }
-  // 兼容旧格式：字符串用逗号分隔
-  if (typeof value === "string") {
-    return value
-      .split(",")
-      .map((v: string) => v.trim())
-      .filter(Boolean);
-  }
   return [];
 }
diff --git a/apps/backend/src/types/admin/write-inputs.ts b/apps/backend/src/types/admin/write-inputs.ts
index 0a7350d5..8c5a2785 100644
--- a/apps/backend/src/types/admin/write-inputs.ts
+++ b/apps/backend/src/types/admin/write-inputs.ts
@@ -11,8 +11,7 @@ export type AdminKuaishouCloudFulfillmentItemInput = {
   externalItemId?: string
   externalSkuName?: string
   resolvedSkuName?: string
-  cloudSourceKey?: string
-  cloudSourceKeyFallbacks?: string[]
+  cloudSourceKeys?: string[]
   cloudSkuId?: number | string
   cloudSkuName?: string
   vnKey?: string
diff --git a/apps/frontend/src/types/admin/platform-config/kuaishou-cloud-fulfillment.ts b/apps/frontend/src/types/admin/platform-config/kuaishou-cloud-fulfillment.ts
index c08140b0..6cce132d 100644
--- a/apps/frontend/src/types/admin/platform-config/kuaishou-cloud-fulfillment.ts
+++ b/apps/frontend/src/types/admin/platform-config/kuaishou-cloud-fulfillment.ts
@@ -11,7 +11,7 @@ export interface AdminKuaishouCloudFulfillmentItem {
   externalItemId: string
   externalSkuName: string
   resolvedSkuName: string
-  cloudSourceKey: string
+  cloudSourceKeys: string[]
   cloudSkuId: number
   cloudSkuName: string
   vnKey: string
@@ -22,7 +22,6 @@ export interface AdminKuaishouCloudFulfillmentItem {
   kuaishouConsumeShopId: string
   kuaishouConsumeShopName: string
   notes: string
-  cloudSourceKeyFallbacks?: string[]
 }
 
 export interface AdminKuaishouCloudFulfillmentConfig {
diff --git a/apps/frontend/src/types/admin/tasks.ts b/apps/frontend/src/types/admin/tasks.ts
index f791a628..4994f88d 100644
--- a/apps/frontend/src/types/admin/tasks.ts
+++ b/apps/frontend/src/types/admin/tasks.ts
@@ -126,8 +126,7 @@ export interface AdminTaskDetail {
     }
     binding: {
       prepareStatus: string
-      cloudSourceKey: string
-      cloudSourceKeyFallbacks: string[]
+      cloudSourceKeys: string[]
       resolvedSourceKey: string
       skuId: number
       skuName: string
diff --git a/apps/frontend/src/types/claim.ts b/apps/frontend/src/types/claim.ts
index f05d76d1..7ef213c7 100644
--- a/apps/frontend/src/types/claim.ts
+++ b/apps/frontend/src/types/claim.ts
@@ -74,7 +74,8 @@ export interface ClaimKuaishouCloudFlowInfo {
   }
   binding: {
     prepareStatus: string
-    cloudSourceKey: string
+    cloudSourceKeys: string[]
+    resolvedSourceKey: string
     skuId: number
     skuName: string
     vnKey: string
diff --git a/apps/frontend/src/views/admin/fulfillment/kuaishou-cloud/AdminKuaishouCloudFulfillmentView.vue b/apps/frontend/src/views/admin/fulfillment/kuaishou-cloud/AdminKuaishouCloudFulfillmentView.vue
index a3a1595d..f6f36555 100644
--- a/apps/frontend/src/views/admin/fulfillment/kuaishou-cloud/AdminKuaishouCloudFulfillmentView.vue
+++ b/apps/frontend/src/views/admin/fulfillment/kuaishou-cloud/AdminKuaishouCloudFulfillmentView.vue
@@ -58,6 +58,7 @@ onMounted(config.loadConfigs)
           :get-card-summary="config.getCardSummary"
           :get-rule-state="config.getRuleState"
           :get-external-match-summary="config.getExternalMatchSummary"
+          :get-cloud-source-summary="config.getCloudSourceSummary"
           :get-cloud-sku-summary="config.getCloudSkuSummary"
           :get-consume-shop-summary="config.getConsumeShopSummary"
           :get-cloud-sku-options="cloudSku.getCloudSkuOptions"
@@ -78,6 +79,7 @@ onMounted(config.loadConfigs)
             (item, visible) => cloudSku.handleCloudSkuDropdownVisible(item, visible)
           "
           @handle-kuaishou-consume-shop-selected="config.handleKuaishouConsumeShopSelected($event)"
+          @handle-cloud-source-keys-changed="config.handleCloudSourceKeysChanged($event)"
           @remove-item="config.removeItem($event)"
         />
       </template>
diff --git a/apps/frontend/src/views/admin/fulfillment/kuaishou-cloud/components/AdminKuaishouCloudRuleCard.vue b/apps/frontend/src/views/admin/fulfillment/kuaishou-cloud/components/AdminKuaishouCloudRuleCard.vue
index 36f74afa..d5dc1caf 100644
--- a/apps/frontend/src/views/admin/fulfillment/kuaishou-cloud/components/AdminKuaishouCloudRuleCard.vue
+++ b/apps/frontend/src/views/admin/fulfillment/kuaishou-cloud/components/AdminKuaishouCloudRuleCard.vue
@@ -16,6 +16,7 @@ defineProps<{
   getCardSummary: (item: EditableItem) => string
   getRuleState: (item: EditableItem) => { label: string; tone: string }
   getExternalMatchSummary: (item: EditableItem) => string
+  getCloudSourceSummary: (item: EditableItem) => string
   getCloudSkuSummary: (item: EditableItem) => string
   getConsumeShopSummary: (item: EditableItem) => string
   getCloudSkuOptions: (item: EditableItem) => AdminCloudtentaclesSkuItem[]
@@ -29,6 +30,7 @@ const emit = defineEmits<{
   handleCloudSkuSelected: [value: number | string | undefined]
   handleCloudSkuDropdownVisible: [visible: boolean]
   handleKuaishouConsumeShopSelected: []
+  handleCloudSourceKeysChanged: []
   remove: []
 }>()
 </script>
@@ -66,6 +68,9 @@ const emit = defineEmits<{
       <el-descriptions-item label="内部 SKU">{{
         item.internalSkuCode || '-'
       }}</el-descriptions-item>
+      <el-descriptions-item label="cloud 账号">{{
+        getCloudSourceSummary(item)
+      }}</el-descriptions-item>
       <el-descriptions-item label="cloud 资源">{{ getCloudSkuSummary(item) }}</el-descriptions-item>
       <el-descriptions-item label="核销店铺">{{
         getConsumeShopSummary(item)
@@ -178,11 +183,15 @@ const emit = defineEmits<{
               placeholder="展示用，可选但建议填"
             />
           </el-form-item>
-          <el-form-item label="cloud 主账号">
+          <el-form-item label="cloud 账号优先级" class="field-wide">
             <el-select
-              v-model="item.cloudSourceKey"
+              v-model="item.cloudSourceKeys"
               class="text-input"
-              placeholder="选择 cloud 账号"
+              multiple
+              collapse-tags
+              collapse-tags-tooltip
+              placeholder="按顺序选择可用于履约的 cloud 账号"
+              @change="emit('handleCloudSourceKeysChanged')"
             >
               <el-option
                 v-for="opt in cloudtentaclesSourceOptions"
@@ -191,23 +200,7 @@ const emit = defineEmits<{
                 :value="opt.key"
               />
             </el-select>
-          </el-form-item>
-          <el-form-item label="备选 cloud 账号" class="field-wide">
-            <el-select
-              v-model="item.cloudSourceKeyFallbacks"
-              class="text-input"
-              multiple
-              placeholder="主账号不可用时自动尝试备选"
-            >
-              <el-option
-                v-for="opt in cloudtentaclesSourceOptions.filter(
-                  (o) => o.key !== item.cloudSourceKey,
-                )"
-                :key="opt.key"
-                :label="opt.label || opt.key"
-                :value="opt.key"
-              />
-            </el-select>
+            <small class="field-help">执行时会从左到右尝试，SKU 列表使用第一个账号加载。</small>
           </el-form-item>
           <el-form-item label="cloud SKU ID">
             <el-select
diff --git a/apps/frontend/src/views/admin/fulfillment/kuaishou-cloud/components/AdminKuaishouCloudRuleSection.vue b/apps/frontend/src/views/admin/fulfillment/kuaishou-cloud/components/AdminKuaishouCloudRuleSection.vue
index f8cbcd74..0a9bb49f 100644
--- a/apps/frontend/src/views/admin/fulfillment/kuaishou-cloud/components/AdminKuaishouCloudRuleSection.vue
+++ b/apps/frontend/src/views/admin/fulfillment/kuaishou-cloud/components/AdminKuaishouCloudRuleSection.vue
@@ -21,6 +21,7 @@ defineProps<{
   getCardSummary: (item: EditableItem) => string
   getRuleState: (item: EditableItem) => { label: string; tone: string }
   getExternalMatchSummary: (item: EditableItem) => string
+  getCloudSourceSummary: (item: EditableItem) => string
   getCloudSkuSummary: (item: EditableItem) => string
   getConsumeShopSummary: (item: EditableItem) => string
   getCloudSkuOptions: (item: EditableItem) => AdminCloudtentaclesSkuItem[]
@@ -42,6 +43,7 @@ const emit = defineEmits<{
   handleCloudSkuSelected: [item: EditableItem, value: number | string | undefined]
   handleCloudSkuDropdownVisible: [item: EditableItem, visible: boolean]
   handleKuaishouConsumeShopSelected: [item: EditableItem]
+  handleCloudSourceKeysChanged: [item: EditableItem]
   removeItem: [localId: string]
 }>()
 </script>
@@ -125,6 +127,7 @@ const emit = defineEmits<{
       :get-card-summary="getCardSummary"
       :get-rule-state="getRuleState"
       :get-external-match-summary="getExternalMatchSummary"
+      :get-cloud-source-summary="getCloudSourceSummary"
       :get-cloud-sku-summary="getCloudSkuSummary"
       :get-consume-shop-summary="getConsumeShopSummary"
       :get-cloud-sku-options="getCloudSkuOptions"
@@ -135,6 +138,7 @@ const emit = defineEmits<{
       @handle-cloud-sku-selected="emit('handleCloudSkuSelected', item, $event)"
       @handle-cloud-sku-dropdown-visible="emit('handleCloudSkuDropdownVisible', item, $event)"
       @handle-kuaishou-consume-shop-selected="emit('handleKuaishouConsumeShopSelected', item)"
+      @handle-cloud-source-keys-changed="emit('handleCloudSourceKeysChanged', item)"
       @remove="emit('removeItem', item.localId)"
     />
   </el-card>
diff --git a/apps/frontend/src/views/admin/fulfillment/kuaishou-cloud/composables/types.ts b/apps/frontend/src/views/admin/fulfillment/kuaishou-cloud/composables/types.ts
index a65bc7ed..39989986 100644
--- a/apps/frontend/src/views/admin/fulfillment/kuaishou-cloud/composables/types.ts
+++ b/apps/frontend/src/views/admin/fulfillment/kuaishou-cloud/composables/types.ts
@@ -2,6 +2,7 @@ import type { AdminKuaishouCloudFulfillmentItem } from '@/types/admin'
 
 export type EditableItem = AdminKuaishouCloudFulfillmentItem & {
   localId: string
+  cloudSourceKeys: string[]
 }
 
 export type ValidationState = {
diff --git a/apps/frontend/src/views/admin/fulfillment/kuaishou-cloud/composables/useKuaishouCloudConfig.ts b/apps/frontend/src/views/admin/fulfillment/kuaishou-cloud/composables/useKuaishouCloudConfig.ts
index 0301aee8..383bdd9b 100644
--- a/apps/frontend/src/views/admin/fulfillment/kuaishou-cloud/composables/useKuaishouCloudConfig.ts
+++ b/apps/frontend/src/views/admin/fulfillment/kuaishou-cloud/composables/useKuaishouCloudConfig.ts
@@ -61,6 +61,7 @@ export function useKuaishouCloudConfig() {
 
   function createEmptyItem(): EditableItem {
     const defaultShop = getDefaultKuaishouConsumeShop()
+    const sourceKeys = getDefaultCloudSourceKeys()
     return {
       localId: crypto.randomUUID(),
       id: '',
@@ -75,7 +76,7 @@ export function useKuaishouCloudConfig() {
       externalItemId: '',
       externalSkuName: '',
       resolvedSkuName: '',
-      cloudSourceKey: 'default',
+      cloudSourceKeys: sourceKeys,
       cloudSkuId: 0,
       cloudSkuName: '',
       vnKey: '1',
@@ -86,7 +87,6 @@ export function useKuaishouCloudConfig() {
       kuaishouConsumeShopId: defaultShop?.shopId || '',
       kuaishouConsumeShopName: defaultShop?.kshopName || '',
       notes: '',
-      cloudSourceKeyFallbacks: [],
     }
   }
 
@@ -95,6 +95,7 @@ export function useKuaishouCloudConfig() {
       item.kuaishouConsumeShopId,
       item.kuaishouConsumeShopName,
     )
+    const sourceKeys = normalizeCloudSourceKeys(item.cloudSourceKeys)
     return {
       localId: crypto.randomUUID(),
       id: item.id || crypto.randomUUID(),
@@ -109,7 +110,7 @@ export function useKuaishouCloudConfig() {
       externalItemId: item.externalItemId || '',
       externalSkuName: item.externalSkuName || '',
       resolvedSkuName: item.resolvedSkuName || '',
-      cloudSourceKey: item.cloudSourceKey || 'default',
+      cloudSourceKeys: sourceKeys,
       cloudSkuId: Number(item.cloudSkuId || 0) || 0,
       cloudSkuName: item.cloudSkuName || '',
       vnKey: item.vnKey || '',
@@ -120,9 +121,6 @@ export function useKuaishouCloudConfig() {
       kuaishouConsumeShopId: matchedShop?.shopId || item.kuaishouConsumeShopId || '',
       kuaishouConsumeShopName: matchedShop?.kshopName || item.kuaishouConsumeShopName || '',
       notes: item.notes || '',
-      cloudSourceKeyFallbacks: Array.isArray(item.cloudSourceKeyFallbacks)
-        ? item.cloudSourceKeyFallbacks
-        : [],
     }
   }
 
@@ -131,6 +129,7 @@ export function useKuaishouCloudConfig() {
       item.kuaishouConsumeShopId,
       item.kuaishouConsumeShopName,
     )
+    const sourceKeys = normalizeCloudSourceKeys(item.cloudSourceKeys)
     return {
       id: item.id.trim() || item.internalSkuCode.trim() || item.localId,
       enabled: item.enabled,
@@ -144,7 +143,7 @@ export function useKuaishouCloudConfig() {
       externalItemId: item.externalItemId.trim(),
       externalSkuName: item.externalSkuName.trim(),
       resolvedSkuName: item.resolvedSkuName.trim(),
-      cloudSourceKey: item.cloudSourceKey.trim() || 'default',
+      cloudSourceKeys: sourceKeys,
       cloudSkuId: Number(item.cloudSkuId || 0) || 0,
       cloudSkuName: item.cloudSkuName.trim(),
       vnKey: item.vnKey.trim(),
@@ -157,12 +156,20 @@ export function useKuaishouCloudConfig() {
         matchedShop?.kshopName || item.kuaishouConsumeShopName,
       ).trim(),
       notes: item.notes.trim(),
-      cloudSourceKeyFallbacks: Array.isArray(item.cloudSourceKeyFallbacks)
-        ? item.cloudSourceKeyFallbacks.filter(Boolean)
-        : [],
     }
   }
 
+  function normalizeCloudSourceKeys(values: unknown[] = []) {
+    const keys = values
+      .map((value) => String(value || '').trim())
+      .filter(Boolean)
+    return Array.from(new Set(keys))
+  }
+
+  function getDefaultCloudSourceKeys() {
+    return normalizeCloudSourceKeys([cloudtentaclesSourceOptions.value[0]?.key])
+  }
+
   // ── validation helpers ────────────────────────────────
 
   function hasExternalMatch(
@@ -181,7 +188,7 @@ export function useKuaishouCloudConfig() {
         item.externalItemId.trim() ||
         item.externalSkuName.trim() ||
         item.resolvedSkuName.trim() ||
-        item.cloudSourceKey.trim() !== 'default' ||
+        item.cloudSourceKeys.length > 0 ||
         Number(item.cloudSkuId || 0) > 0 ||
         item.cloudSkuName.trim() ||
         item.vnKey.trim() ||
@@ -203,6 +210,7 @@ export function useKuaishouCloudConfig() {
   function isItemComplete(item: EditableItem) {
     return Boolean(
       item.internalSkuCode.trim() &&
+        item.cloudSourceKeys.length > 0 &&
         Number(item.cloudSkuId || 0) > 0 &&
         (!item.autoConsumeAfterDispatch || Boolean(item.kuaishouConsumeShopId.trim())) &&
         hasExternalMatch(item),
@@ -220,6 +228,10 @@ export function useKuaishouCloudConfig() {
       return { localId: item.localId, message: `${title} 缺少内部 SKU 编码` }
     }
 
+    if (item.cloudSourceKeys.length === 0) {
+      return { localId: item.localId, message: `${title} 需要选择至少一个 cloud 账号` }
+    }
+
     if (Number(item.cloudSkuId || 0) <= 0) {
       return { localId: item.localId, message: `${title} 需要填写 cloud SKU ID` }
     }
@@ -340,6 +352,20 @@ export function useKuaishouCloudConfig() {
     return name || id || '未绑定核销店铺'
   }
 
+  function getCloudSourceSummary(item: EditableItem) {
+    const keys = normalizeCloudSourceKeys(item.cloudSourceKeys)
+    if (keys.length === 0) {
+      return '未选择 cloud 账号'
+    }
+
+    return keys
+      .map((key, index) => {
+        const option = cloudtentaclesSourceOptions.value.find((source) => source.key === key)
+        return `${index + 1}. ${option?.label || key}`
+      })
+      .join(' / ')
+  }
+
   function getCloudSkuSummary(item: EditableItem) {
     if (item.cloudSkuId > 0 && item.cloudSkuName.trim()) {
       return `${item.cloudSkuName.trim()} · #${item.cloudSkuId}`
@@ -441,6 +467,13 @@ export function useKuaishouCloudConfig() {
     setCollapsed(localId, false)
   }
 
+  function handleCloudSourceKeysChanged(item: EditableItem) {
+    const sourceKeys = normalizeCloudSourceKeys(item.cloudSourceKeys)
+    item.cloudSourceKeys = sourceKeys
+    item.cloudSkuId = 0
+    item.cloudSkuName = ''
+  }
+
   async function focusValidationTarget(localId: string) {
     if (!localId) {
       return
@@ -524,6 +557,7 @@ export function useKuaishouCloudConfig() {
     getRuleState,
     getExternalMatchSummary,
     getCloudSkuSummary,
+    getCloudSourceSummary,
     getConsumeShopSummary,
     // consume shops
     getKuaishouConsumeShopOptions,
@@ -531,6 +565,7 @@ export function useKuaishouCloudConfig() {
     getDefaultKuaishouConsumeShop,
     formatKuaishouConsumeShopOption,
     handleKuaishouConsumeShopSelected,
+    handleCloudSourceKeysChanged,
     // collapse
     isCollapsed,
     setCollapsed,
diff --git a/apps/frontend/src/views/admin/fulfillment/kuaishou-cloud/composables/useKuaishouCloudNinetyone.ts b/apps/frontend/src/views/admin/fulfillment/kuaishou-cloud/composables/useKuaishouCloudNinetyone.ts
index af95e43d..6140e96d 100644
--- a/apps/frontend/src/views/admin/fulfillment/kuaishou-cloud/composables/useKuaishouCloudNinetyone.ts
+++ b/apps/frontend/src/views/admin/fulfillment/kuaishou-cloud/composables/useKuaishouCloudNinetyone.ts
@@ -42,6 +42,9 @@ export function useKuaishouCloudNinetyone(
     const defaultShop = config.getDefaultKuaishouConsumeShop()
     const shopOpts = config.getKuaishouConsumeShopOptions()
     const shop = defaultShop || (shopOpts.length > 0 ? shopOpts[0] : null)
+    const sourceKeys = config.cloudtentaclesSourceOptions.value[0]?.key
+      ? [config.cloudtentaclesSourceOptions.value[0].key]
+      : []
     return {
       localId: crypto.randomUUID(),
       id: '',
@@ -56,7 +59,7 @@ export function useKuaishouCloudNinetyone(
       externalItemId: productNo,
       externalSkuName: productName,
       resolvedSkuName: productName,
-      cloudSourceKey: 'default',
+      cloudSourceKeys: sourceKeys,
       cloudSkuId: 0,
       cloudSkuName: '',
       vnKey: '1',
diff --git a/apps/frontend/src/views/admin/fulfillment/kuaishou-cloud/composables/useKuaishouCloudSku.ts b/apps/frontend/src/views/admin/fulfillment/kuaishou-cloud/composables/useKuaishouCloudSku.ts
index 978bdf1b..ac4d8404 100644
--- a/apps/frontend/src/views/admin/fulfillment/kuaishou-cloud/composables/useKuaishouCloudSku.ts
+++ b/apps/frontend/src/views/admin/fulfillment/kuaishou-cloud/composables/useKuaishouCloudSku.ts
@@ -12,7 +12,7 @@ export function useKuaishouCloudSku(cloudtentaclesSourceOptions?: { value: { key
   const cloudSkuCatalogBySourceKey = ref<Record<string, AdminCloudtentaclesSkuItem[]>>({})
 
   function getSourceKey(item: EditableItem) {
-    return String(item.cloudSourceKey || 'default').trim()
+    return String(item.cloudSourceKeys[0] || '').trim()
   }
 
   async function ensureCloudSkuCatalogLoaded(item: EditableItem, force = false) {
@@ -149,19 +149,13 @@ export function useKuaishouCloudSku(cloudtentaclesSourceOptions?: { value: { key
         const count = cloudSkuCatalogBySourceKey.value[sourceKey]?.length ?? 0
         showSuccess(`cloud SKU 列表（${sourceKey}）已刷新，共 ${count} 条`)
       } else {
-        // No item provided — refresh all configured sourceKeys, or at least 'default'
         const cachedKeys = Object.keys(cloudSkuCatalogBySourceKey.value)
         const configuredKeys = cloudtentaclesSourceOptions?.value?.map((s) => s.key) || []
-        const keysToRefresh =
-          cachedKeys.length > 0
-            ? cachedKeys
-            : configuredKeys.length > 0
-            ? configuredKeys
-            : ['default']
+        const keysToRefresh = cachedKeys.length > 0 ? cachedKeys : configuredKeys
 
         for (const key of keysToRefresh) {
           await ensureCloudSkuCatalogLoaded(
-            { cloudSourceKey: key, localId: '' } as EditableItem,
+            { cloudSourceKeys: [key], localId: '' } as EditableItem,
             true,
           )
         }
@@ -177,8 +171,6 @@ export function useKuaishouCloudSku(cloudtentaclesSourceOptions?: { value: { key
   }
 
   const cloudSkuCatalogLoading = ref(false)
-  // Maintain backward-compat: derive a combined loading state
-  // The template uses cloudSkuCatalogLoading for the refresh button spinner
   function syncCloudSkuCatalogLoading() {
     cloudSkuCatalogLoading.value = Object.values(cloudSkuCatalogLoadingBySourceKey.value).some(
       Boolean,
diff --git a/apps/frontend/src/views/admin/tasks/components/AdminTaskKuaishouCloudPanel.vue b/apps/frontend/src/views/admin/tasks/components/AdminTaskKuaishouCloudPanel.vue
index c232f722..5fe10ed4 100644
--- a/apps/frontend/src/views/admin/tasks/components/AdminTaskKuaishouCloudPanel.vue
+++ b/apps/frontend/src/views/admin/tasks/components/AdminTaskKuaishouCloudPanel.vue
@@ -221,19 +221,14 @@ const emit = defineEmits<{
       <el-collapse-item name="cloud" title="Cloud 资源与发货">
         <div class="flow-meta-list flow-meta-list--two-column">
           <div>
-            <span>规则主账号</span><strong>{{ flow.binding.cloudSourceKey || '-' }}</strong>
+            <span>账号优先级</span>
+            <strong>{{
+              flow.binding.cloudSourceKeys?.length ? flow.binding.cloudSourceKeys.join(' / ') : '-'
+            }}</strong>
           </div>
           <div>
             <span>实际使用账号</span>
-            <strong>{{ flow.binding.resolvedSourceKey || flow.binding.cloudSourceKey || '-' }}</strong>
-          </div>
-          <div>
-            <span>备选账号</span>
-            <strong>{{
-              flow.binding.cloudSourceKeyFallbacks?.length
-                ? flow.binding.cloudSourceKeyFallbacks.join(' / ')
-                : '-'
-            }}</strong>
+            <strong>{{ flow.binding.resolvedSourceKey || '-' }}</strong>
           </div>
           <div>
             <span>cloud SKU</span>