diff --git a/qimingclaw/crates/agent-electron-client/src/main/ipc/digitalEmployeeHandlers.ts b/qimingclaw/crates/agent-electron-client/src/main/ipc/digitalEmployeeHandlers.ts
index 5f2c4cf7..bd1d0c7d 100644
--- a/qimingclaw/crates/agent-electron-client/src/main/ipc/digitalEmployeeHandlers.ts
+++ b/qimingclaw/crates/agent-electron-client/src/main/ipc/digitalEmployeeHandlers.ts
@@ -40,7 +40,7 @@ export function registerDigitalEmployeeHandlers(ctx: HandlerContext): void {
   });
 
   ipcMain.handle("digitalEmployee:flushSync", async () => {
-    return flushDigitalEmployeeSyncOutbox();
+    return flushDigitalEmployeeSyncOutbox({ force: true });
   });
 }
 
diff --git a/qimingclaw/crates/agent-electron-client/src/main/services/digitalEmployee/syncService.ts b/qimingclaw/crates/agent-electron-client/src/main/services/digitalEmployee/syncService.ts
index 220b225b..ca5f1b7c 100644
--- a/qimingclaw/crates/agent-electron-client/src/main/services/digitalEmployee/syncService.ts
+++ b/qimingclaw/crates/agent-electron-client/src/main/services/digitalEmployee/syncService.ts
@@ -1,11 +1,14 @@
 import log from "electron-log";
 import { getDeviceId } from "../system/deviceId";
+import { getDomainTokenKey } from "@shared/utils/domain";
 import { getDb, readSetting } from "../../db";
 
 const DEFAULT_SYNC_PATH = "/api/digital-employee/sync/outbox";
 const DEFAULT_INTERVAL_MS = 30_000;
 const DEFAULT_BATCH_SIZE = 50;
 const REQUEST_TIMEOUT_MS = 15_000;
+const MAX_RETRY_DELAY_MS = 30 * 60_000;
+const FAILED_RETRY_CANDIDATE_MULTIPLIER = 4;
 
 let syncTimer: ReturnType<typeof setInterval> | null = null;
 let syncing = false;
@@ -27,6 +30,7 @@ interface OutboxRow {
   operation: string;
   payload: string;
   attempts: number;
+  last_attempt_at?: string | null;
 }
 
 interface SyncAck {
@@ -93,7 +97,7 @@ export function getDigitalEmployeeSyncStatus(): DigitalEmployeeSyncStatus {
   };
 }
 
-export async function flushDigitalEmployeeSyncOutbox(): Promise<DigitalEmployeeSyncStatus> {
+export async function flushDigitalEmployeeSyncOutbox(options: { force?: boolean } = {}): Promise<DigitalEmployeeSyncStatus> {
   if (syncing) return getDigitalEmployeeSyncStatus();
 
   const config = resolveSyncConfig();
@@ -102,7 +106,7 @@ export async function flushDigitalEmployeeSyncOutbox(): Promise<DigitalEmployeeS
     return getDigitalEmployeeSyncStatus();
   }
 
-  const rows = readPendingOutbox(config.batchSize);
+  const rows = readPendingOutbox(config.batchSize, options.force === true);
   if (rows.length === 0) {
     lastSyncError = null;
     return getDigitalEmployeeSyncStatus();
@@ -198,8 +202,7 @@ function readAuthToken(serverHost: string | null): string | null {
     return oneShotToken;
   }
   if (serverHost) {
-    const domain = serverHost.replace(/^https?:\/\//, "").replace(/\/+$/, "");
-    const domainToken = readSetting(`auth.tokens.${domain}`);
+    const domainToken = readSetting(getDomainTokenKey(serverHost));
     if (typeof domainToken === "string" && domainToken.trim()) {
       return domainToken;
     }
@@ -207,20 +210,35 @@ function readAuthToken(serverHost: string | null): string | null {
   return null;
 }
 
-function readPendingOutbox(limit: number): OutboxRow[] {
+function readPendingOutbox(limit: number, force: boolean): OutboxRow[] {
   const db = getDb();
   if (!db) return [];
-  return db
+  const candidateLimit = force ? limit : limit * FAILED_RETRY_CANDIDATE_MULTIPLIER;
+  const rows = db
     .prepare(
       `
-        SELECT id, entity_type, entity_id, operation, payload, attempts
+        SELECT id, entity_type, entity_id, operation, payload, attempts, last_attempt_at
         FROM digital_sync_outbox
         WHERE status IN ('pending', 'failed')
         ORDER BY created_at ASC
         LIMIT ?
       `,
     )
-    .all(limit) as OutboxRow[];
+    .all(candidateLimit) as OutboxRow[];
+  if (force) return rows.slice(0, limit);
+  return rows.filter(isOutboxRowDueForRetry).slice(0, limit);
+}
+
+function isOutboxRowDueForRetry(row: OutboxRow): boolean {
+  if (!row.last_attempt_at) return true;
+  const lastAttemptAt = Date.parse(row.last_attempt_at);
+  if (!Number.isFinite(lastAttemptAt)) return true;
+  return Date.now() >= lastAttemptAt + retryDelayMs(row.attempts);
+}
+
+function retryDelayMs(attempts: number): number {
+  const exponent = Math.max(0, Math.min(attempts - 1, 10));
+  return Math.min(DEFAULT_INTERVAL_MS * 2 ** exponent, MAX_RETRY_DELAY_MS);
 }
 
 async function postOutbox(
diff --git a/qimingclaw/docs/digital-employee-frontend-integration-plan.md b/qimingclaw/docs/digital-employee-frontend-integration-plan.md
index f91749d6..fa5acdfe 100644
--- a/qimingclaw/docs/digital-employee-frontend-integration-plan.md
+++ b/qimingclaw/docs/digital-employee-frontend-integration-plan.md
@@ -439,10 +439,10 @@ crates/agent-electron-client/src/preload/webviewPerfBridge.ts
 ```
 
 - 可通过 settings `digital_employee_sync_config.endpoint` 覆盖同步地址。
-- 使用 `auth.saved_key` 或域名级 saved key 作为客户端凭证。
-- 请求同时携带 `Authorization: Bearer <clientKey>` 和 `X-Qiming-Client-Key`，兼容后端后续选择。
+- 使用 `auth.saved_key` 或域名级 saved key 作为客户端标识。
+- 使用管理端登录态 token 作为 `Authorization: Bearer <token>`，同时携带 `X-Qiming-Client-Key`。
 - 同步成功后回填 outbox 状态，并根据后端 ack 回填实体 `remote_id` / `last_synced_at`。
-- 同步失败时标记 failed 和错误信息，下轮继续补偿，不影响 `/computer/chat` 和 ACP 执行链路。
+- 同步失败时标记 failed 和错误信息；定时 worker 按指数退避补偿，手动 `flushSync` 可强制立即重试，不影响 `/computer/chat` 和 ACP 执行链路。
 
 新增 IPC / Bridge：
 
@@ -472,8 +472,7 @@ qiming-backend/app-platform-modules/app-platform-agent/app-platform-agent-core-a
 下一步：
 
 - 在有 Maven 的环境验证 qiming-backend 编译与接口启动。
-- 数字员工页面读取 `getSyncStatus()`，展示联动状态。
-- 增加 outbox 重试退避策略，避免接口长期不可用时频繁请求。
+- 数字员工页面继续细化同步状态交互，例如手动同步按钮和失败原因展开。
 
 ## 管理端联动原则