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 9701262b..dfa48539 100644
--- a/apps/backend/src/services/claim/kuaishou-cloud-claim-context.ts
+++ b/apps/backend/src/services/claim/kuaishou-cloud-claim-context.ts
@@ -248,6 +248,16 @@ export function mapClaimKuaishouCloudFulfillment(task: TaskRow, order: OrderRow)
   const dispatch = source.dispatch && typeof source.dispatch === 'object' ? source.dispatch : {}
   const returnNumber = source.returnNumber && typeof source.returnNumber === 'object' ? source.returnNumber : {}
   const consume = source.consume && typeof source.consume === 'object' ? source.consume : {}
+  const roleName = String(role.name || binding.roleName || '').trim()
+  const roleId = String(role.rid || binding.roleId || '').trim()
+  const defaultRoleName = String(role.defaultName || role.defaultRoleName || '').trim()
+  const defaultRoleId = String(role.defaultRid || role.defaultRoleId || '').trim()
+  const isDefaultRole =
+    Boolean(roleName || roleId) &&
+    isSameClaimKuaishouCloudRole(
+      { name: roleName, rid: roleId },
+      { name: defaultRoleName, rid: defaultRoleId },
+    )
 
   return {
     flowType: 'kuaishou_cloud',
@@ -288,10 +298,16 @@ export function mapClaimKuaishouCloudFulfillment(task: TaskRow, order: OrderRow)
     },
     role: {
       status: String(role.status || 'pending').trim() || 'pending',
-      name: String(role.name || binding.roleName || '').trim(),
-      rid: String(role.rid || binding.roleId || '').trim(),
+      name: roleName,
+      rid: roleId,
       refreshedAt: role.refreshedAt || null,
       errorMessage: String(role.errorMessage || '').trim(),
+      defaultName: defaultRoleName,
+      defaultRid: defaultRoleId,
+      defaultCapturedAt: role.defaultCapturedAt || null,
+      defaultCaptureStatus: String(role.defaultCaptureStatus || '').trim(),
+      defaultErrorMessage: String(role.defaultErrorMessage || '').trim(),
+      isDefaultRole,
     },
     purchase: {
       autoBuyEnabled: purchase.autoBuyEnabled !== false,
@@ -351,6 +367,28 @@ function isPlainObject(value: unknown): value is JsonObject {
   return Object.prototype.toString.call(value) === '[object Object]'
 }
 
+function isSameClaimKuaishouCloudRole(
+  left: { name?: unknown; rid?: unknown },
+  right: { name?: unknown; rid?: unknown },
+) {
+  const leftRid = String(left.rid || '').trim()
+  const rightRid = String(right.rid || '').trim()
+  if (leftRid && rightRid) {
+    return leftRid === rightRid
+  }
+
+  const leftName = normalizeClaimRoleNameForCompare(left.name)
+  const rightName = normalizeClaimRoleNameForCompare(right.name)
+  return Boolean(leftName && rightName && leftName === rightName)
+}
+
+function normalizeClaimRoleNameForCompare(value: unknown) {
+  return String(value || '')
+    .trim()
+    .toLowerCase()
+    .replace(/\s+/g, '')
+}
+
 function normalizeClaimDeliveryItems(value: unknown, binding: JsonObject) {
   const rawItems = Array.isArray(value) ? value : []
   const items = rawItems
diff --git a/apps/backend/src/services/claim/kuaishou-cloud-claim-service.ts b/apps/backend/src/services/claim/kuaishou-cloud-claim-service.ts
index 8bbef1fd..487751ef 100644
--- a/apps/backend/src/services/claim/kuaishou-cloud-claim-service.ts
+++ b/apps/backend/src/services/claim/kuaishou-cloud-claim-service.ts
@@ -26,6 +26,8 @@ import {
 import { isKuaishouEticketMockTicketCode } from '../platforms/kuaishou-eticket/mock-ticket-service.js'
 import {
   dispatchKuaishouCloudFulfillmentTask,
+  hasKuaishouCloudCustomerRole,
+  hasKuaishouCloudDefaultRoleSnapshot,
   maskCode,
   normalizeKuaishouCloudFlow,
   prepareKuaishouCloudFulfillmentTask,
@@ -478,6 +480,19 @@ export async function confirmKuaishouCloudClaimRole(token: unknown) {
     })
   }
 
+  const hasDefaultRoleSnapshot = hasKuaishouCloudDefaultRoleSnapshot(flow)
+  if (!mockMode && !hasKuaishouCloudCustomerRole(flow)) {
+    const message = hasDefaultRoleSnapshot
+      ? '当前仍是虚拟机默认角色，请先重新绑定自己的角色信息'
+      : '系统还未获取到虚拟机默认角色信息，请稍后刷新角色信息后再试'
+    throw createHttpError(message, {
+      statusCode: 409,
+      errorCode: hasDefaultRoleSnapshot
+        ? 'claim_kuaishou_cloud_default_role_not_rebound'
+        : 'claim_kuaishou_cloud_default_role_not_ready',
+    })
+  }
+
   await updateTask(context.task.id, {
     task_status: TASK_STATUS.ROLE_CONFIRMED,
     role_id: flow.binding.roleId,
diff --git a/apps/backend/src/services/claim/kuaishou-cloud-sync-service.ts b/apps/backend/src/services/claim/kuaishou-cloud-sync-service.ts
index 292f5bb8..b947afa9 100644
--- a/apps/backend/src/services/claim/kuaishou-cloud-sync-service.ts
+++ b/apps/backend/src/services/claim/kuaishou-cloud-sync-service.ts
@@ -36,6 +36,7 @@ export async function syncKuaishouCloudRoleInfo(task: TaskRow) {
       source: 'claim_page_polling',
       actor: { source: 'system' },
       recordEvent: false,
+      forceProbe: flow.role.isDefaultRole === true,
     })
     return result.task || task
   } catch {
diff --git a/apps/backend/src/services/fulfillment/kuaishou-cloud/domain.test.ts b/apps/backend/src/services/fulfillment/kuaishou-cloud/domain.test.ts
new file mode 100644
index 00000000..7e6bb267
--- /dev/null
+++ b/apps/backend/src/services/fulfillment/kuaishou-cloud/domain.test.ts
@@ -0,0 +1,46 @@
+import assert from 'node:assert/strict'
+import test from 'node:test'
+
+import {
+  hasKuaishouCloudCustomerRole,
+  normalizeKuaishouCloudFlow,
+} from './domain.js'
+
+test('hasKuaishouCloudCustomerRole 要求当前角色不同于虚拟机默认角色', () => {
+  const defaultRoleFlow = normalizeKuaishouCloudFlow({
+    binding: {
+      vnPhone: '13800000000',
+      roleName: '默认角色',
+      roleId: '10001',
+    },
+    role: {
+      name: '默认角色',
+      rid: '10001',
+      defaultName: '默认角色',
+      defaultRid: '10001',
+      defaultCapturedAt: '2026-05-31T00:00:00.000Z',
+      isDefaultRole: false,
+    },
+  })
+
+  assert.equal(defaultRoleFlow.role.isDefaultRole, true)
+  assert.equal(hasKuaishouCloudCustomerRole(defaultRoleFlow), false)
+
+  const customerRoleFlow = normalizeKuaishouCloudFlow({
+    ...defaultRoleFlow,
+    binding: {
+      ...defaultRoleFlow.binding,
+      roleName: '用户角色',
+      roleId: '20002',
+    },
+    role: {
+      ...defaultRoleFlow.role,
+      name: '用户角色',
+      rid: '20002',
+      isDefaultRole: true,
+    },
+  })
+
+  assert.equal(customerRoleFlow.role.isDefaultRole, false)
+  assert.equal(hasKuaishouCloudCustomerRole(customerRoleFlow), true)
+})
diff --git a/apps/backend/src/services/fulfillment/kuaishou-cloud/domain.ts b/apps/backend/src/services/fulfillment/kuaishou-cloud/domain.ts
index 35db1dce..e1702757 100644
--- a/apps/backend/src/services/fulfillment/kuaishou-cloud/domain.ts
+++ b/apps/backend/src/services/fulfillment/kuaishou-cloud/domain.ts
@@ -25,6 +25,16 @@ export function normalizeKuaishouCloudFlow(value: unknown) {
 
   const roleName = String(role.name || binding.roleName || '').trim()
   const roleId = String(role.rid || binding.roleId || '').trim()
+  const defaultRoleName = String(role.defaultName || role.defaultRoleName || '').trim()
+  const defaultRoleId = String(role.defaultRid || role.defaultRoleId || '').trim()
+  const hasDefaultRole = Boolean(defaultRoleName || defaultRoleId)
+  const isDefaultRole =
+    Boolean(roleName || roleId) &&
+    hasDefaultRole &&
+    isSameKuaishouCloudRoleIdentity(
+      { name: roleName, rid: roleId },
+      { name: defaultRoleName, rid: defaultRoleId },
+    )
   const bindPreparedAt = binding.bindPreparedAt || null
   const bindExpiresAt =
     binding.bindExpiresAt || resolveKuaishouCloudBindUrlExpiresAt(bindPreparedAt)
@@ -72,6 +82,12 @@ export function normalizeKuaishouCloudFlow(value: unknown) {
       refreshedAt: role.refreshedAt || null,
       errorMessage: String(role.errorMessage || '').trim(),
       rawInfo: role.rawInfo && typeof role.rawInfo === 'object' ? role.rawInfo : null,
+      defaultName: defaultRoleName,
+      defaultRid: defaultRoleId,
+      defaultCapturedAt: role.defaultCapturedAt || null,
+      defaultCaptureStatus: String(role.defaultCaptureStatus || '').trim(),
+      defaultErrorMessage: String(role.defaultErrorMessage || '').trim(),
+      isDefaultRole,
     },
     purchase: {
       autoBuyEnabled: purchase.autoBuyEnabled !== false,
@@ -113,6 +129,49 @@ export function normalizeKuaishouCloudFlow(value: unknown) {
   }
 }
 
+export function hasKuaishouCloudDefaultRoleSnapshot(flowLike: unknown) {
+  const flow = normalizeKuaishouCloudFlow(flowLike)
+  return Boolean(flow.role.defaultName || flow.role.defaultRid)
+}
+
+export function hasKuaishouCloudCustomerRole(flowLike: unknown) {
+  const flow = normalizeKuaishouCloudFlow(flowLike)
+  if (!flow.binding.vnPhone || !flow.binding.roleName || !flow.binding.roleId) {
+    return false
+  }
+
+  if (!hasKuaishouCloudDefaultRoleSnapshot(flow)) {
+    return false
+  }
+
+  return !isSameKuaishouCloudRoleIdentity(
+    { name: flow.binding.roleName, rid: flow.binding.roleId },
+    { name: flow.role.defaultName, rid: flow.role.defaultRid },
+  )
+}
+
+export function isSameKuaishouCloudRoleIdentity(
+  left: { name?: unknown; rid?: unknown },
+  right: { name?: unknown; rid?: unknown },
+) {
+  const leftRid = String(left.rid || '').trim()
+  const rightRid = String(right.rid || '').trim()
+  if (leftRid && rightRid) {
+    return leftRid === rightRid
+  }
+
+  const leftName = normalizeRoleNameForCompare(left.name)
+  const rightName = normalizeRoleNameForCompare(right.name)
+  return Boolean(leftName && rightName && leftName === rightName)
+}
+
+function normalizeRoleNameForCompare(value: unknown) {
+  return String(value || '')
+    .trim()
+    .toLowerCase()
+    .replace(/\s+/g, '')
+}
+
 export function normalizeKuaishouCloudDeliveryItems(value: unknown) {
   const source: JsonObject = value && typeof value === 'object' ? (value as JsonObject) : {}
   const binding = source.binding && typeof source.binding === 'object' ? source.binding : {}
diff --git a/apps/backend/src/services/fulfillment/kuaishou-cloud/index.ts b/apps/backend/src/services/fulfillment/kuaishou-cloud/index.ts
index e7b99052..5e4bdd86 100644
--- a/apps/backend/src/services/fulfillment/kuaishou-cloud/index.ts
+++ b/apps/backend/src/services/fulfillment/kuaishou-cloud/index.ts
@@ -15,8 +15,11 @@ import { nowIso } from '../../../utils/time.js'
 import { TASK_STATUS, normalizeTaskStatus } from '../../../domain/task-status.js'
 import {
   KUAISHOU_CLOUD_FIXED_VN_KEY,
+  hasKuaishouCloudCustomerRole,
+  hasKuaishouCloudDefaultRoleSnapshot,
   isKuaishouCloudBindUrlFresh,
   isKuaishouCloudTask,
+  isSameKuaishouCloudRoleIdentity,
   maskPhone,
   normalizeKuaishouCloudFlow,
   normalizeKuaishouCloudRoleInfo,
@@ -51,17 +54,125 @@ type CloudDeliveryPlanItem = {
   missingCount: number
 }
 
+type KuaishouCloudDefaultRoleSnapshot = {
+  defaultName: string
+  defaultRid: string
+  defaultCapturedAt: string | null
+  defaultCaptureStatus: string
+  defaultErrorMessage: string
+}
+
 export {
   isKuaishouCloudBindUrlFresh,
   isKuaishouCloudTask,
+  hasKuaishouCloudCustomerRole,
+  hasKuaishouCloudDefaultRoleSnapshot,
   maskCode,
   maskPhone,
   normalizeKuaishouCloudFlow,
   normalizeKuaishouCloudRoleInfo,
+  isSameKuaishouCloudRoleIdentity,
   resolveKuaishouCloudBindUrlExpiresAt,
 } from './domain.js'
 export { resolvePersistedCloudtentaclesContextBySourceKeys } from './cloudtentacles-context.js'
 
+async function captureKuaishouCloudDefaultRoleSnapshot({
+  cloudContext,
+  preparedBinding,
+  now,
+}: {
+  cloudContext: JsonObject
+  preparedBinding: JsonObject
+  now: string
+}): Promise<KuaishouCloudDefaultRoleSnapshot> {
+  try {
+    const bindInfoResult = await getCloudtentaclesBindInfo({
+      ...cloudContext,
+      key: preparedBinding.vnKey,
+      id: preparedBinding.vnId,
+    })
+    const roleInfo = normalizeKuaishouCloudRoleInfo(bindInfoResult.bindInfo)
+    const hasRole = Boolean(roleInfo.name || roleInfo.rid)
+
+    return {
+      defaultName: roleInfo.name,
+      defaultRid: roleInfo.rid,
+      defaultCapturedAt: hasRole ? now : null,
+      defaultCaptureStatus: hasRole ? 'captured' : 'empty',
+      defaultErrorMessage: hasRole ? '' : '未获取到虚拟机默认角色信息，请稍后刷新',
+    }
+  } catch (error) {
+    return {
+      defaultName: '',
+      defaultRid: '',
+      defaultCapturedAt: null,
+      defaultCaptureStatus: 'failed',
+      defaultErrorMessage:
+        error instanceof Error ? error.message : '获取虚拟机默认角色信息失败，请稍后刷新',
+    }
+  }
+}
+
+function buildPendingRoleWithDefaultSnapshot(snapshot: KuaishouCloudDefaultRoleSnapshot) {
+  return {
+    status: 'pending',
+    name: '',
+    rid: '',
+    refreshedAt: null as null,
+    errorMessage: snapshot.defaultErrorMessage || '',
+    rawInfo: null as null,
+    defaultName: snapshot.defaultName,
+    defaultRid: snapshot.defaultRid,
+    defaultCapturedAt: snapshot.defaultCapturedAt,
+    defaultCaptureStatus: snapshot.defaultCaptureStatus,
+    defaultErrorMessage: snapshot.defaultErrorMessage,
+    isDefaultRole: false,
+  }
+}
+
+function buildRoleStateFromCurrentInfo({
+  flow,
+  roleInfo,
+  now,
+  emptyMessage,
+}: {
+  flow: ReturnType<typeof normalizeKuaishouCloudFlow>
+  roleInfo: { name: string; rid: string; rawInfo?: unknown }
+  now: string
+  emptyMessage: string
+}) {
+  const hasRoleInfo = Boolean(roleInfo.name || roleInfo.rid)
+  const hasDefaultRole = hasKuaishouCloudDefaultRoleSnapshot(flow)
+  const isDefaultRole =
+    hasRoleInfo &&
+    hasDefaultRole &&
+    isSameKuaishouCloudRoleIdentity(
+      { name: roleInfo.name, rid: roleInfo.rid },
+      { name: flow.role.defaultName, rid: flow.role.defaultRid },
+    )
+
+  return {
+    hasRoleInfo,
+    isDefaultRole,
+    bindingRoleName: hasRoleInfo ? roleInfo.name : '',
+    bindingRoleId: hasRoleInfo ? roleInfo.rid : '',
+    role: {
+      ...flow.role,
+      status: hasRoleInfo && !isDefaultRole ? 'ready' : 'pending',
+      name: hasRoleInfo ? roleInfo.name : '',
+      rid: hasRoleInfo ? roleInfo.rid : '',
+      refreshedAt: now,
+      errorMessage: hasRoleInfo
+        ? isDefaultRole
+          ? '当前仍是虚拟机默认角色，请重新绑定自己的角色信息'
+          : ''
+        : emptyMessage,
+      rawInfo: roleInfo.rawInfo || null,
+      isDefaultRole,
+    },
+  }
+}
+
 export async function ensureTaskClaimLink(task: TaskRow) {
   const tokenStatus = String(task?.primary_claim_token_status || '').trim()
   const token = String(task?.primary_claim_token || task?.claim_token || '').trim()
@@ -201,6 +312,11 @@ export async function prepareKuaishouCloudFulfillmentTask(task: TaskRow, options
       cloudContext,
       vnKeyCandidates,
     })
+    const defaultRoleSnapshot = await captureKuaishouCloudDefaultRoleSnapshot({
+      cloudContext,
+      preparedBinding,
+      now,
+    })
 
     const nextContext = {
       ...taskContext,
@@ -222,14 +338,7 @@ export async function prepareKuaishouCloudFulfillmentTask(task: TaskRow, options
           roleName: '',
           roleId: '',
         },
-        role: {
-          status: 'pending',
-          name: '',
-          rid: '',
-          refreshedAt: null as null,
-          errorMessage: '',
-          rawInfo: null as null,
-        },
+        role: buildPendingRoleWithDefaultSnapshot(defaultRoleSnapshot),
         purchase: {
           ...flowWithResolvedBinding.purchase,
           usedKnapsack,
@@ -281,6 +390,9 @@ export async function prepareKuaishouCloudFulfillmentTask(task: TaskRow, options
         })),
         resolvedByName: resolvedBinding.resolvedByName,
         accountSelection: buildCloudtentaclesSourceSelectionEventDetail(selectedCloud),
+        defaultRoleName: defaultRoleSnapshot.defaultName,
+        defaultRoleId: defaultRoleSnapshot.defaultRid,
+        defaultRoleCaptureStatus: defaultRoleSnapshot.defaultCaptureStatus,
         actor,
       },
       now,
@@ -377,6 +489,14 @@ export async function refreshKuaishouCloudTaskBindUrl(task: TaskRow, options: Js
     }
   }
 
+  const defaultRoleSnapshot =
+    normalizeTaskStatus(task.task_status) === TASK_STATUS.ROLE_CONFIRMED
+      ? null
+      : await captureKuaishouCloudDefaultRoleSnapshot({
+          cloudContext,
+          preparedBinding,
+          now,
+        })
   const nextContext = {
     ...taskContext,
     kuaishouCloudFulfillment: {
@@ -405,14 +525,7 @@ export async function refreshKuaishouCloudTaskBindUrl(task: TaskRow, options: Js
       role:
         normalizeTaskStatus(task.task_status) === TASK_STATUS.ROLE_CONFIRMED
           ? flow.role
-          : {
-              status: 'pending',
-              name: '',
-              rid: '',
-              refreshedAt: null,
-              errorMessage: '',
-              rawInfo: null,
-            },
+          : buildPendingRoleWithDefaultSnapshot(defaultRoleSnapshot!),
     },
   }
 
@@ -648,6 +761,11 @@ export async function rebindKuaishouCloudTaskRole(task: TaskRow, options: JsonOb
 
   const claimLinkState = await ensureTaskClaimLink(task)
   const nextBindExpiresAt = resolveKuaishouCloudBindUrlExpiresAt(now)
+  const defaultRoleSnapshot = await captureKuaishouCloudDefaultRoleSnapshot({
+    cloudContext,
+    preparedBinding,
+    now,
+  })
   const nextContext = {
     ...taskContext,
     kuaishouCloudFulfillment: {
@@ -667,14 +785,7 @@ export async function rebindKuaishouCloudTaskRole(task: TaskRow, options: JsonOb
         roleName: '',
         roleId: '',
       },
-      role: {
-        status: 'pending',
-        name: '',
-        rid: '',
-        refreshedAt: null,
-        errorMessage: '',
-        rawInfo: null,
-      },
+      role: buildPendingRoleWithDefaultSnapshot(defaultRoleSnapshot),
       rebind: {
         ...previousRebind,
         currentAttempt: attempt,
@@ -723,6 +834,9 @@ export async function rebindKuaishouCloudTaskRole(task: TaskRow, options: JsonOb
       vnId: preparedBinding.vnId,
       vnPhoneMasked: maskPhone(preparedBinding.vnPhone),
       bindUrl: preparedBinding.bindUrl,
+      defaultRoleName: defaultRoleSnapshot.defaultName,
+      defaultRoleId: defaultRoleSnapshot.defaultRid,
+      defaultRoleCaptureStatus: defaultRoleSnapshot.defaultCaptureStatus,
       actor,
     },
     now,
@@ -787,6 +901,14 @@ export async function probeKuaishouCloudTaskBindUrl(task: TaskRow, options: Json
 
   const probeRoleInfo = normalizeKuaishouCloudRoleInfo(probe.roleInfo)
   const hasRoleInfo = Boolean(probeRoleInfo.name || probeRoleInfo.rid)
+  const roleState = hasRoleInfo
+    ? buildRoleStateFromCurrentInfo({
+        flow,
+        roleInfo: probeRoleInfo,
+        now,
+        emptyMessage: '当前还没有查询到角色信息，请完成绑定后稍等片刻再试',
+      })
+    : null
   const nextContext = {
     ...taskContext,
     kuaishouCloudFulfillment: {
@@ -796,24 +918,16 @@ export async function probeKuaishouCloudTaskBindUrl(task: TaskRow, options: Json
         bindProbeAt: now,
         bindProbeStatus: probe.valid ? 'valid' : 'invalid',
         bindProbeMessage: String(probe.message || probe.reason || '').trim(),
-        roleName: hasRoleInfo ? probeRoleInfo.name : flow.binding.roleName,
-        roleId: hasRoleInfo ? probeRoleInfo.rid : flow.binding.roleId,
-      },
-      role: {
-        ...flow.role,
-        status: hasRoleInfo ? 'ready' : flow.role.status,
-        name: hasRoleInfo ? probeRoleInfo.name : flow.role.name,
-        rid: hasRoleInfo ? probeRoleInfo.rid : flow.role.rid,
-        refreshedAt: hasRoleInfo ? now : flow.role.refreshedAt,
-        errorMessage: hasRoleInfo ? '' : flow.role.errorMessage,
-        rawInfo: hasRoleInfo ? probeRoleInfo.rawInfo : flow.role.rawInfo,
+        roleName: roleState ? roleState.bindingRoleName : flow.binding.roleName,
+        roleId: roleState ? roleState.bindingRoleId : flow.binding.roleId,
       },
+      role: roleState ? roleState.role : flow.role,
     },
   }
 
   const updatedTask = await updateTask(task.id, {
-    role_id: hasRoleInfo ? probeRoleInfo.rid : task.role_id,
-    role_name: hasRoleInfo ? probeRoleInfo.name : task.role_name,
+    role_id: roleState && !roleState.isDefaultRole ? probeRoleInfo.rid : task.role_id,
+    role_name: roleState && !roleState.isDefaultRole ? probeRoleInfo.name : task.role_name,
     context_json: JSON.stringify(nextContext),
     updated_at: now,
   })
@@ -956,30 +1070,28 @@ export async function refreshKuaishouCloudTaskRoleInfo(task: TaskRow, options: J
   })
 
   const bindInfo = normalizeKuaishouCloudRoleInfo(bindInfoResult.bindInfo)
-  const hasRoleInfo = Boolean(bindInfo.name || bindInfo.rid)
+  const roleState = buildRoleStateFromCurrentInfo({
+    flow,
+    roleInfo: bindInfo,
+    now,
+    emptyMessage: '当前还没有查询到角色信息，请完成绑定后稍等片刻再试',
+  })
   const nextContext = {
     ...taskContext,
     kuaishouCloudFulfillment: {
       ...flow,
       binding: {
         ...flow.binding,
-        roleName: hasRoleInfo ? bindInfo.name : '',
-        roleId: hasRoleInfo ? bindInfo.rid : '',
-      },
-      role: {
-        status: hasRoleInfo ? 'ready' : 'pending',
-        name: hasRoleInfo ? bindInfo.name : '',
-        rid: hasRoleInfo ? bindInfo.rid : '',
-        refreshedAt: now,
-        errorMessage: hasRoleInfo ? '' : '当前还没有查询到角色信息，请完成绑定后稍等片刻再试',
-        rawInfo: bindInfo.rawInfo,
+        roleName: roleState.bindingRoleName,
+        roleId: roleState.bindingRoleId,
       },
+      role: roleState.role,
     },
   }
 
   const updatedTask = await updateTask(task.id, {
-    role_id: hasRoleInfo ? bindInfo.rid : '',
-    role_name: hasRoleInfo ? bindInfo.name : '',
+    role_id: roleState.hasRoleInfo && !roleState.isDefaultRole ? bindInfo.rid : '',
+    role_name: roleState.hasRoleInfo && !roleState.isDefaultRole ? bindInfo.name : '',
     context_json: JSON.stringify(nextContext),
     updated_at: now,
   })
diff --git a/apps/frontend/src/types/claim.ts b/apps/frontend/src/types/claim.ts
index 38d682bf..2eb79f68 100644
--- a/apps/frontend/src/types/claim.ts
+++ b/apps/frontend/src/types/claim.ts
@@ -93,6 +93,12 @@ export interface ClaimKuaishouCloudFlowInfo {
     rid: string
     refreshedAt: string | null
     errorMessage: string
+    defaultName: string
+    defaultRid: string
+    defaultCapturedAt: string | null
+    defaultCaptureStatus: string
+    defaultErrorMessage: string
+    isDefaultRole: boolean
   }
   purchase: {
     autoBuyEnabled: boolean
diff --git a/apps/frontend/src/views/claim/kuaishou-cloud/KuaishouCloudClaimView.vue b/apps/frontend/src/views/claim/kuaishou-cloud/KuaishouCloudClaimView.vue
index 5ff72b48..161d059a 100644
--- a/apps/frontend/src/views/claim/kuaishou-cloud/KuaishouCloudClaimView.vue
+++ b/apps/frontend/src/views/claim/kuaishou-cloud/KuaishouCloudClaimView.vue
@@ -51,7 +51,8 @@ const claim = useKuaishouCloudClaim(() => props.token)
         :qr-code-data-url="claim.qrCodeDataUrl.value"
         :is-binding-prepared="claim.isBindingPrepared.value"
         :is-binding-preparing="claim.isBindingPreparing.value"
-        :is-role-ready="claim.isRoleReady.value"
+        :is-customer-role-ready="claim.isCustomerRoleReady.value"
+        :confirm-role-disabled-reason="claim.confirmRoleDisabledReason.value"
         :role-name="claim.roleName.value"
         :role-id="claim.roleId.value"
         :refreshing-role="claim.refreshingRole.value"
diff --git a/apps/frontend/src/views/claim/kuaishou-cloud/components/ClaimBindingStep.vue b/apps/frontend/src/views/claim/kuaishou-cloud/components/ClaimBindingStep.vue
index 2e96c409..359334a2 100644
--- a/apps/frontend/src/views/claim/kuaishou-cloud/components/ClaimBindingStep.vue
+++ b/apps/frontend/src/views/claim/kuaishou-cloud/components/ClaimBindingStep.vue
@@ -7,7 +7,8 @@ defineProps<{
   qrCodeDataUrl: string
   isBindingPrepared: boolean
   isBindingPreparing: boolean
-  isRoleReady: boolean
+  isCustomerRoleReady: boolean
+  confirmRoleDisabledReason: string
   roleName: string
   roleId: string
   refreshingRole: boolean
@@ -41,7 +42,7 @@ defineEmits<{
       <span>系统正在准备绑定资源，请稍后自动刷新。</span>
     </div>
 
-    <div class="role-panel" :class="{ pending: !isRoleReady }">
+    <div class="role-panel" :class="{ pending: !isCustomerRoleReady }">
       <div class="role-panel__item">
         <span>当前角色</span>
         <strong>{{ roleName || '待识别' }}</strong>
@@ -52,6 +53,10 @@ defineEmits<{
       </div>
     </div>
 
+    <div v-if="flow.role.isDefaultRole" class="status-banner warning">
+      <span>当前仍是虚拟机默认角色，请重新绑定自己的角色信息。</span>
+    </div>
+
     <div class="action-row">
       <el-button size="large" plain :loading="refreshingRole" @click="$emit('refreshRole')">
         <el-icon><RefreshRight /></el-icon>
@@ -66,15 +71,23 @@ defineEmits<{
       >
         换绑角色
       </el-button>
-      <el-button
-        type="primary"
-        size="large"
-        :loading="confirmingRole"
-        :disabled="!isBindingPrepared || !isRoleReady || rebindingRole"
-        @click="$emit('confirmRole')"
+      <el-tooltip
+        :disabled="!confirmRoleDisabledReason"
+        :content="confirmRoleDisabledReason"
+        placement="top"
       >
-        我已完成绑定，下一步
-      </el-button>
+        <span class="action-tooltip-wrap">
+          <el-button
+            type="primary"
+            size="large"
+            :loading="confirmingRole"
+            :disabled="Boolean(confirmRoleDisabledReason)"
+            @click="$emit('confirmRole')"
+          >
+            我已完成绑定，下一步
+          </el-button>
+        </span>
+      </el-tooltip>
     </div>
 
     <div class="meta-footer">
@@ -127,6 +140,11 @@ defineEmits<{
   color: #1d4ed8;
 }
 
+.status-banner.warning {
+  background: #fff7ed;
+  color: #c2410c;
+}
+
 .qr-block {
   display: flex;
   flex-direction: column;
@@ -239,6 +257,10 @@ defineEmits<{
   flex-wrap: wrap;
 }
 
+.action-tooltip-wrap {
+  display: inline-flex;
+}
+
 .action-row :deep(.el-button) {
   margin-left: 0;
 }
diff --git a/apps/frontend/src/views/claim/kuaishou-cloud/composables/useKuaishouCloudClaim.ts b/apps/frontend/src/views/claim/kuaishou-cloud/composables/useKuaishouCloudClaim.ts
index 7d09ef4c..3560de50 100644
--- a/apps/frontend/src/views/claim/kuaishou-cloud/composables/useKuaishouCloudClaim.ts
+++ b/apps/frontend/src/views/claim/kuaishou-cloud/composables/useKuaishouCloudClaim.ts
@@ -76,6 +76,31 @@ export function useKuaishouCloudClaim(token: () => string) {
   const isBindingPreparing = computed(() => flow.value?.binding.prepareStatus === 'pending')
   const canEnterBindingStep = computed(() => isTicketVerified.value)
   const isRoleReady = computed(() => Boolean(roleName.value || roleId.value))
+  const hasDefaultRoleSnapshot = computed(() =>
+    Boolean(flow.value?.role.defaultName || flow.value?.role.defaultRid),
+  )
+  const isDefaultRole = computed(() => flow.value?.role.isDefaultRole === true)
+  const isCustomerRoleReady = computed(
+    () => isRoleReady.value && hasDefaultRoleSnapshot.value && !isDefaultRole.value,
+  )
+  const confirmRoleDisabledReason = computed(() => {
+    if (!isBindingPrepared.value) {
+      return '绑定二维码还在准备中，请稍后自动刷新'
+    }
+    if (!hasDefaultRoleSnapshot.value) {
+      return flow.value?.role.defaultErrorMessage || '系统还未获取到虚拟机默认角色信息，请稍后刷新'
+    }
+    if (!isRoleReady.value) {
+      return '请先扫码绑定自己的角色，并刷新角色信息'
+    }
+    if (isDefaultRole.value) {
+      return '当前仍是虚拟机默认角色，请重新绑定自己的角色信息'
+    }
+    if (rebindingRole.value) {
+      return '正在换绑角色，请稍候'
+    }
+    return ''
+  })
   const isRoleConfirmed = computed(() => isKuaishouCloudRoleConfirmedStatus(task.value?.status))
   const isDispatched = computed(
     () => String(flow.value?.dispatch.status || '').trim() === 'success',
@@ -239,11 +264,15 @@ export function useKuaishouCloudClaim(token: () => string) {
     refreshingRole.value = true
     try {
       await loadDetail({ silent: true })
-      if (isRoleReady.value) {
+      if (isCustomerRoleReady.value) {
         showSuccess('角色信息已刷新')
+      } else if (isDefaultRole.value) {
+        showError('当前仍是虚拟机默认角色，请重新绑定自己的角色信息')
       } else {
         showError(
-          flow.value?.role.errorMessage || '暂时还没有识别到角色信息，请完成绑定后稍等片刻再试',
+          flow.value?.role.errorMessage ||
+            flow.value?.role.defaultErrorMessage ||
+            '暂时还没有识别到角色信息，请完成绑定后稍等片刻再试',
         )
       }
     } finally {
@@ -441,6 +470,10 @@ export function useKuaishouCloudClaim(token: () => string) {
     isBindingPreparing,
     canEnterBindingStep,
     isRoleReady,
+    hasDefaultRoleSnapshot,
+    isDefaultRole,
+    isCustomerRoleReady,
+    confirmRoleDisabledReason,
     isRoleConfirmed,
     isDispatched,
     isRedeemFailed,