diff --git a/extensions/feishu/src/client.test.ts b/extensions/feishu/src/client.test.ts
index 00f41732a10a..0f1e9805a649 100644
--- a/extensions/feishu/src/client.test.ts
+++ b/extensions/feishu/src/client.test.ts
@@ -10,6 +10,8 @@ const FEISHU_HTTP_TIMEOUT_MAX_MS = 300_000;
 type CreateFeishuClient = typeof import("./client.js").createFeishuClient;
 type CreateFeishuWSClient = typeof import("./client.js").createFeishuWSClient;
 type GetFeishuUserAgent = typeof import("./client.js").getFeishuUserAgent;
+type InvalidateFeishuTenantAccessToken =
+  typeof import("./client.js").invalidateFeishuTenantAccessToken;
 type ResetFeishuProxyAgentForTest = typeof import("./client.js").resetFeishuProxyAgentForTest;
 
 const requestInterceptorState = vi.hoisted(() => {
@@ -28,6 +30,15 @@ const clientCtorMock = vi.hoisted(() =>
     return { connected: true };
   }),
 );
+const tenantAccessTokenSymbol = Symbol("tenant-access-token");
+const cacheInstances = vi.hoisted(() => [] as Array<{ set: ReturnType<typeof vi.fn> }>);
+const defaultCacheCtorMock = vi.hoisted(() =>
+  vi.fn(function defaultCacheCtor() {
+    const cache = { get: vi.fn(), set: vi.fn().mockResolvedValue(true) };
+    cacheInstances.push(cache);
+    return cache;
+  }),
+);
 const wsClientCtorMock = vi.hoisted(() =>
   vi.fn(function wsClientCtor() {
     return { connected: true };
@@ -81,6 +92,7 @@ const registerFeishuSubagentHooksMock = vi.hoisted(() => vi.fn());
 let createFeishuClient: CreateFeishuClient;
 let createFeishuWSClient: CreateFeishuWSClient;
 let getFeishuUserAgent: GetFeishuUserAgent;
+let invalidateFeishuTenantAccessToken: InvalidateFeishuTenantAccessToken;
 let resetFeishuProxyAgentForTest: ResetFeishuProxyAgentForTest;
 
 let priorProxyEnv: Partial<Record<ProxyEnvKey, string | undefined>> = {};
@@ -203,6 +215,8 @@ beforeAll(async () => {
     Domain: { Feishu: 0, Lark: 1 },
     LoggerLevel: { info: "info" },
     Client: clientCtorMock,
+    CTenantAccessToken: tenantAccessTokenSymbol,
+    DefaultCache: defaultCacheCtorMock,
     WSClient: wsClientCtorMock,
     EventDispatcher: vi.fn(),
     defaultHttpInstance: mockBaseHttpInstance,
@@ -219,8 +233,13 @@ beforeAll(async () => {
     ),
   }));
 
-  ({ createFeishuClient, createFeishuWSClient, getFeishuUserAgent, resetFeishuProxyAgentForTest } =
-    await import("./client.js"));
+  ({
+    createFeishuClient,
+    createFeishuWSClient,
+    getFeishuUserAgent,
+    invalidateFeishuTenantAccessToken,
+    resetFeishuProxyAgentForTest,
+  } = await import("./client.js"));
 });
 
 beforeEach(() => {
@@ -258,6 +277,67 @@ afterAll(() => {
   vi.resetModules();
 });
 
+describe("tenant token cache ownership", () => {
+  it("shares one account cache across timeout-specific clients and isolates accounts", () => {
+    createFeishuClient({
+      accountId: "cache-a",
+      appId: "app-a",
+      appSecret: "secret-a", // pragma: allowlist secret
+      httpTimeoutMs: 1_000,
+    });
+    createFeishuClient({
+      accountId: "cache-a",
+      appId: "app-a",
+      appSecret: "secret-a", // pragma: allowlist secret
+      httpTimeoutMs: 2_000,
+    });
+    createFeishuClient({
+      accountId: "cache-b",
+      appId: "app-a",
+      appSecret: "secret-a", // pragma: allowlist secret
+    });
+
+    const first = readCallOptions(clientCtorMock, -3).cache;
+    expect(readCallOptions(clientCtorMock, -2).cache).toBe(first);
+    expect(readCallOptions(clientCtorMock, -1).cache).not.toBe(first);
+  });
+
+  it("invalidates only the current account identity and SDK namespace", async () => {
+    const oldCreds = {
+      accountId: "rotating",
+      appId: "app-old",
+      appSecret: "secret-old", // pragma: allowlist secret
+      domain: "feishu" as const,
+    };
+    createFeishuClient(oldCreds);
+    const oldCache = readCallOptions(clientCtorMock).cache as {
+      set: ReturnType<typeof vi.fn>;
+    };
+    const newCreds = {
+      ...oldCreds,
+      appId: "app-new",
+      appSecret: "secret-new", // pragma: allowlist secret
+      domain: "lark" as const,
+    };
+    createFeishuClient(newCreds);
+    const newCache = readCallOptions(clientCtorMock).cache as {
+      set: ReturnType<typeof vi.fn>;
+    };
+
+    await invalidateFeishuTenantAccessToken(oldCreds);
+    expect(oldCache.set).not.toHaveBeenCalled();
+
+    const before = Date.now();
+    await invalidateFeishuTenantAccessToken(newCreds);
+    expect(newCache.set).toHaveBeenCalledWith(tenantAccessTokenSymbol, "", expect.any(Number), {
+      namespace: "app-new",
+    });
+    const expiry = newCache.set.mock.calls[0]?.[2] as number;
+    expect(expiry).toBeGreaterThan(0);
+    expect(expiry).toBeLessThan(before);
+  });
+});
+
 describe("Feishu default User-Agent interceptor", () => {
   it("registers through the public interceptor API and overrides the SDK User-Agent", () => {
     expect(requestInterceptorState.registered).toBeTypeOf("function");
diff --git a/extensions/feishu/src/client.ts b/extensions/feishu/src/client.ts
index 525b5fe55526..ec161fdd536e 100644
--- a/extensions/feishu/src/client.ts
+++ b/extensions/feishu/src/client.ts
@@ -29,7 +29,9 @@ type FeishuClientSdk = Pick<
   typeof Lark,
   | "AppType"
   | "Client"
+  | "CTenantAccessToken"
   | "defaultHttpInstance"
+  | "DefaultCache"
   | "Domain"
   | "EventDispatcher"
   | "LoggerLevel"
@@ -39,7 +41,9 @@ type FeishuClientSdk = Pick<
 const feishuClientSdk: FeishuClientSdk = {
   AppType: Lark.AppType,
   Client: Lark.Client,
+  CTenantAccessToken: Lark.CTenantAccessToken,
   defaultHttpInstance: Lark.defaultHttpInstance,
+  DefaultCache: Lark.DefaultCache,
   Domain: Lark.Domain,
   EventDispatcher: Lark.EventDispatcher,
   LoggerLevel: Lark.LoggerLevel,
@@ -260,6 +264,34 @@ const clientCache = new Map<
     config: { appId: string; appSecret: string; domain?: FeishuDomain; httpTimeoutMs: number };
   }
 >();
+const tenantTokenCaches = new Map<
+  string,
+  {
+    cache: Lark.DefaultCache;
+    config: { appId: string; appSecret: string; domain?: FeishuDomain };
+  }
+>();
+
+function resolveTenantTokenCache(
+  creds: Required<Pick<FeishuClientCredentials, "appId" | "appSecret">> &
+    Pick<FeishuClientCredentials, "accountId" | "domain">,
+): Lark.DefaultCache {
+  const accountId = creds.accountId ?? "default";
+  const cached = tenantTokenCaches.get(accountId);
+  if (
+    cached?.config.appId === creds.appId &&
+    cached.config.appSecret === creds.appSecret &&
+    cached.config.domain === creds.domain
+  ) {
+    return cached.cache;
+  }
+  const cache = new feishuClientSdk.DefaultCache();
+  tenantTokenCaches.set(accountId, {
+    cache,
+    config: { appId: creds.appId, appSecret: creds.appSecret, domain: creds.domain },
+  });
+  return cache;
+}
 
 function resolveSdkDomain(domain: FeishuDomain | undefined): Lark.Domain {
   // The SDK parses :port in its domain as an API route parameter; custom origins
@@ -380,6 +412,7 @@ export function createFeishuClient(creds: FeishuClientCredentials): Lark.Client
     appSecret,
     appType: feishuClientSdk.AppType.SelfBuild,
     domain: resolveSdkDomain(domain),
+    cache: resolveTenantTokenCache({ accountId, appId, appSecret, domain }),
     httpInstance: createFeishuHttpInstance(defaultHttpTimeoutMs, domain),
   });
 
@@ -392,6 +425,26 @@ export function createFeishuClient(creds: FeishuClientCredentials): Lark.Client
   return client;
 }
 
+export async function invalidateFeishuTenantAccessToken(
+  creds: FeishuClientCredentials,
+): Promise<void> {
+  const { accountId = "default", appId, appSecret, domain } = creds;
+  if (!appId || !appSecret) {
+    return;
+  }
+  const cached = tenantTokenCaches.get(accountId);
+  if (
+    cached?.config.appId !== appId ||
+    cached.config.appSecret !== appSecret ||
+    cached.config.domain !== domain
+  ) {
+    return;
+  }
+  await cached.cache.set(feishuClientSdk.CTenantAccessToken, "", Date.now() - 1, {
+    namespace: appId,
+  });
+}
+
 type FeishuWsClientCallbacks = Pick<
   ConstructorParameters<typeof feishuClientSdk.WSClient>[0],
   "onError" | "onReady" | "onReconnected" | "onReconnecting"
diff --git a/extensions/feishu/src/comment-shared.ts b/extensions/feishu/src/comment-shared.ts
index ca5de3eaae5d..e6b56903ddd4 100644
--- a/extensions/feishu/src/comment-shared.ts
+++ b/extensions/feishu/src/comment-shared.ts
@@ -88,9 +88,19 @@ function createFeishuApiError(
   return new Error(formatFeishuApiFailure(error, errorPrefix, options), { cause: error });
 }
 
+const FEISHU_INVALID_TENANT_TOKEN_CODE = 99991663;
 const FEISHU_SEND_MAX_RETRIES = 2;
 const FEISHU_SEND_RETRY_BASE_MS = 500;
 
+function isFeishuInvalidTenantToken(value: unknown): boolean {
+  if (!isRecord(value)) {
+    return false;
+  }
+  const response = isRecord(value.response) ? value.response : undefined;
+  const data = isRecord(response?.data) ? response.data : value;
+  return data.code === FEISHU_INVALID_TENANT_TOKEN_CODE;
+}
+
 export async function requestFeishuApi<T>(
   request: () => Promise<T>,
   errorPrefix: string,
@@ -99,36 +109,51 @@ export async function requestFeishuApi<T>(
     includeNestedErrorLogId?: boolean;
     /** Base retry delay in ms; doubles on the second retry. @internal */
     retryDelayMs?: number;
+    invalidateTenantToken?: () => Promise<void>;
   } = {},
 ): Promise<T> {
-  try {
-    return await retryAsync(
-      async () => {
-        const result = await request();
-        // Feishu SDK may fulfill with a rate-limit body (e.g. { code: 11232, ... })
-        // instead of throwing. Rethrow it in the AxiosError response shape so
-        // getFeishuSendRateLimitCode classifies it retryable and exhaustion
-        // wraps it exactly like an SDK throw.
-        const fulfilledRateLimit = getFeishuSendRateLimitCodeFromResponse(result);
-        if (fulfilledRateLimit !== undefined) {
-          throw Object.assign(
-            new Error(`Request fulfilled with rate-limit code ${fulfilledRateLimit}`),
-            { response: { status: 200, data: result } },
+  let authRecoveryAttempted = false;
+  while (true) {
+    try {
+      return await retryAsync(
+        async () => {
+          const result = await request();
+          const fulfilledCode =
+            getFeishuSendRateLimitCodeFromResponse(result) ??
+            (isFeishuInvalidTenantToken(result) ? FEISHU_INVALID_TENANT_TOKEN_CODE : undefined);
+          if (fulfilledCode !== undefined) {
+            throw Object.assign(new Error(`Request fulfilled with code ${fulfilledCode}`), {
+              response: { status: 200, data: result },
+            });
+          }
+          return result;
+        },
+        {
+          attempts: FEISHU_SEND_MAX_RETRIES + 1,
+          minDelayMs: options.retryDelayMs ?? FEISHU_SEND_RETRY_BASE_MS,
+          shouldRetry: (error) => getFeishuSendRateLimitCode(error) !== undefined,
+        },
+      );
+    } catch (error) {
+      if (
+        !authRecoveryAttempted &&
+        options.invalidateTenantToken &&
+        isFeishuInvalidTenantToken(error)
+      ) {
+        authRecoveryAttempted = true;
+        try {
+          await options.invalidateTenantToken();
+        } catch (invalidationError) {
+          const original = createFeishuApiError(error, errorPrefix, options);
+          throw new AggregateError(
+            [original, invalidationError],
+            `${original.message}; tenant token invalidation failed: ${String(invalidationError)}`,
           );
         }
-        return result;
-      },
-      {
-        attempts: FEISHU_SEND_MAX_RETRIES + 1,
-        // With a 2-retry budget the core exponential schedule (1x, 2x base)
-        // matches the previous linear attempt*base backoff exactly; revisit
-        // the delay curve if FEISHU_SEND_MAX_RETRIES grows.
-        minDelayMs: options.retryDelayMs ?? FEISHU_SEND_RETRY_BASE_MS,
-        shouldRetry: (error) => getFeishuSendRateLimitCode(error) !== undefined,
-      },
-    );
-  } catch (error) {
-    throw createFeishuApiError(error, errorPrefix, options);
+        continue;
+      }
+      throw createFeishuApiError(error, errorPrefix, options);
+    }
   }
 }
 
diff --git a/extensions/feishu/src/dm-delivery-loopback.test.ts b/extensions/feishu/src/dm-delivery-loopback.test.ts
index a2d2bde61128..f23740375506 100644
--- a/extensions/feishu/src/dm-delivery-loopback.test.ts
+++ b/extensions/feishu/src/dm-delivery-loopback.test.ts
@@ -19,6 +19,141 @@ type RecordedFeishuRequest = {
 };
 
 describe("Feishu DM delivery over the real Lark SDK", () => {
+  it("reacquires one stale primary token without touching the secondary account", async () => {
+    const tokenCalls = new Map<string, number>();
+    const messageCalls = new Map<string, number>();
+    const visibleSends = new Map<string, number>();
+    const server = createServer((request, response) => {
+      void (async () => {
+        const chunks: Buffer[] = [];
+        for await (const chunk of request) {
+          chunks.push(typeof chunk === "string" ? Buffer.from(chunk) : chunk);
+        }
+        const url = new URL(request.url ?? "/", "http://127.0.0.1");
+        const body = JSON.parse(Buffer.concat(chunks).toString("utf8") || "{}") as Record<
+          string,
+          unknown
+        >;
+        const sendJson = (status: number, payload: unknown) => {
+          response.writeHead(status, { "content-type": "application/json" });
+          response.end(JSON.stringify(payload));
+        };
+
+        if (url.pathname === "/open-apis/auth/v3/tenant_access_token/internal") {
+          const appId = String(body.app_id);
+          const count = (tokenCalls.get(appId) ?? 0) + 1;
+          tokenCalls.set(appId, count);
+          sendJson(200, {
+            code: 0,
+            msg: "ok",
+            tenant_access_token:
+              appId === "cli_stale_primary" && count === 1
+                ? "tat-primary-stale"
+                : appId === "cli_stale_primary"
+                  ? "tat-primary-fresh"
+                  : "tat-secondary-valid",
+            expire: 7200,
+          });
+          return;
+        }
+
+        const authorization = String(request.headers.authorization);
+        messageCalls.set(authorization, (messageCalls.get(authorization) ?? 0) + 1);
+        if (authorization === "Bearer tat-primary-stale") {
+          sendJson(401, { code: 99991663, msg: "invalid tenant access token" });
+          return;
+        }
+        const receiveId = String(body.receive_id);
+        visibleSends.set(receiveId, (visibleSends.get(receiveId) ?? 0) + 1);
+        sendJson(200, {
+          code: 0,
+          msg: "success",
+          data: { message_id: `om_${receiveId}` },
+        });
+      })().catch((error: unknown) => {
+        response.writeHead(500, { "content-type": "application/json" });
+        response.end(JSON.stringify({ error: String(error) }));
+      });
+    });
+    await new Promise<void>((resolve, reject) => {
+      server.once("error", reject);
+      server.listen(0, "127.0.0.1", resolve);
+    });
+    const address = server.address() as AddressInfo;
+    const loopbackOrigin = `http://127.0.0.1:${address.port}`;
+    const interceptor = Lark.defaultHttpInstance.interceptors.request.use(
+      (options) => {
+        const upstream = new URL(options.url ?? "");
+        if (upstream.hostname === "open.feishu.cn") {
+          options.url = new URL(
+            `${upstream.pathname}${upstream.search}`,
+            loopbackOrigin,
+          ).toString();
+        }
+        return options;
+      },
+      undefined,
+      { synchronous: true },
+    );
+
+    try {
+      const cfg = {
+        channels: {
+          feishu: {
+            enabled: true,
+            appId: "cli_stale_primary",
+            appSecret: "loopback-placeholder", // pragma: allowlist secret
+            domain: "feishu",
+            accounts: {
+              secondary: {
+                appId: "cli_valid_secondary",
+                appSecret: "loopback-placeholder", // pragma: allowlist secret
+                domain: "feishu",
+              },
+            },
+          },
+        },
+      } as ClawdbotConfig;
+
+      await expect(
+        sendMessageFeishu({ cfg, to: "chat:oc_primary", text: "primary" }),
+      ).resolves.toMatchObject({ messageId: "om_oc_primary" });
+      await expect(
+        sendMessageFeishu({
+          cfg,
+          to: "chat:oc_secondary",
+          text: "secondary",
+          accountId: "secondary",
+        }),
+      ).resolves.toMatchObject({ messageId: "om_oc_secondary" });
+
+      expect(tokenCalls).toEqual(
+        new Map([
+          ["cli_stale_primary", 2],
+          ["cli_valid_secondary", 1],
+        ]),
+      );
+      expect(messageCalls).toEqual(
+        new Map([
+          ["Bearer tat-primary-stale", 1],
+          ["Bearer tat-primary-fresh", 1],
+          ["Bearer tat-secondary-valid", 1],
+        ]),
+      );
+      expect(visibleSends).toEqual(
+        new Map([
+          ["oc_primary", 1],
+          ["oc_secondary", 1],
+        ]),
+      );
+    } finally {
+      Lark.defaultHttpInstance.interceptors.request.eject(interceptor);
+      await new Promise<void>((resolve, reject) => {
+        server.close((error) => (error ? reject(error) : resolve()));
+      });
+    }
+  });
+
   it("authenticates conversation replies and preserves account, group, thread, and error boundaries", async () => {
     const requests: RecordedFeishuRequest[] = [];
     const server = createServer((request, response) => {
diff --git a/extensions/feishu/src/media.test.ts b/extensions/feishu/src/media.test.ts
index 951a135d46be..a77cb5a014c9 100644
--- a/extensions/feishu/src/media.test.ts
+++ b/extensions/feishu/src/media.test.ts
@@ -7,6 +7,7 @@ import { afterAll, beforeAll, beforeEach, describe, expect, it, vi } from "vites
 import type { ClawdbotConfig } from "../runtime-api.js";
 
 const createFeishuClientMock = vi.hoisted(() => vi.fn());
+const invalidateFeishuTenantAccessTokenMock = vi.hoisted(() => vi.fn());
 const resolveFeishuAccountMock = vi.hoisted(() => vi.fn());
 const normalizeFeishuTargetMock = vi.hoisted(() => vi.fn());
 const resolveReceiveIdTypeMock = vi.hoisted(() => vi.fn());
@@ -27,7 +28,10 @@ const validPngImage = Buffer.from(
   "hex",
 );
 
-vi.mock("./client.js", () => ({ createFeishuClient: createFeishuClientMock }));
+vi.mock("./client.js", () => ({
+  createFeishuClient: createFeishuClientMock,
+  invalidateFeishuTenantAccessToken: invalidateFeishuTenantAccessTokenMock,
+}));
 
 vi.mock("./accounts.js", () => ({
   resolveFeishuAccount: resolveFeishuAccountMock,
diff --git a/extensions/feishu/src/media.ts b/extensions/feishu/src/media.ts
index 3e43d8e4af4e..50571dc56617 100644
--- a/extensions/feishu/src/media.ts
+++ b/extensions/feishu/src/media.ts
@@ -24,7 +24,7 @@ import {
 } from "openclaw/plugin-sdk/temp-path";
 import type { ClawdbotConfig } from "../runtime-api.js";
 import { resolveFeishuRuntimeAccount } from "./accounts.js";
-import { createFeishuClient } from "./client.js";
+import { createFeishuClient, invalidateFeishuTenantAccessToken } from "./client.js";
 import { requestFeishuApi } from "./comment-shared.js";
 import { normalizeFeishuExternalKey } from "./external-keys.js";
 import { saveMediaStreamWithIdleTimeout } from "./media-chunk-idle.js";
@@ -101,6 +101,7 @@ type SaveMessageResourceResult = {
 function createConfiguredFeishuMediaClient(params: { cfg: ClawdbotConfig; accountId?: string }): {
   account: ReturnType<typeof resolveFeishuRuntimeAccount>;
   client: ReturnType<typeof createFeishuClient>;
+  invalidateTenantToken: () => Promise<void>;
 } {
   const account = resolveFeishuRuntimeAccount({ cfg: params.cfg, accountId: params.accountId });
   if (!account.configured) {
@@ -113,6 +114,7 @@ function createConfiguredFeishuMediaClient(params: { cfg: ClawdbotConfig; accoun
       ...account,
       httpTimeoutMs: FEISHU_MEDIA_HTTP_TIMEOUT_MS,
     }),
+    invalidateTenantToken: () => invalidateFeishuTenantAccessToken(account),
   };
 }
 
@@ -454,7 +456,7 @@ async function uploadImageFeishu(params: {
   accountId?: string;
 }): Promise<UploadImageResult> {
   const { cfg, image, imageType = "message", accountId } = params;
-  const { client } = createConfiguredFeishuMediaClient({ cfg, accountId });
+  const { client, invalidateTenantToken } = createConfiguredFeishuMediaClient({ cfg, accountId });
 
   // SDK accepts Buffer directly. Keep string path support on this helper, but
   // verify the path as a regular local file before uploading it.
@@ -471,7 +473,7 @@ async function uploadImageFeishu(params: {
         },
       }),
     "Feishu image upload failed",
-    { includeNestedErrorLogId: true },
+    { includeNestedErrorLogId: true, invalidateTenantToken },
   );
 
   return {
@@ -509,7 +511,7 @@ async function uploadFileFeishu(params: {
   accountId?: string;
 }): Promise<UploadFileResult> {
   const { cfg, file, fileName, fileType, duration, accountId } = params;
-  const { client } = createConfiguredFeishuMediaClient({ cfg, accountId });
+  const { client, invalidateTenantToken } = createConfiguredFeishuMediaClient({ cfg, accountId });
 
   // SDK accepts Buffer directly. Keep string path support on this helper, but
   // verify the path as a regular local file before uploading it.
@@ -530,7 +532,7 @@ async function uploadFileFeishu(params: {
         },
       }),
     "Feishu file upload failed",
-    { includeNestedErrorLogId: true },
+    { includeNestedErrorLogId: true, invalidateTenantToken },
   );
 
   return {
@@ -562,7 +564,7 @@ async function sendImageFeishu(params: {
     allowTopLevelReplyFallback,
     accountId,
   } = params;
-  const { client, receiveId, receiveIdType } = resolveFeishuSendTarget({
+  const { client, receiveId, receiveIdType, invalidateTenantToken } = resolveFeishuSendTarget({
     cfg,
     to,
     accountId,
@@ -584,6 +586,7 @@ async function sendImageFeishu(params: {
       },
       directErrorPrefix: "Feishu image send failed",
       replyErrorPrefix: "Feishu image reply failed",
+      invalidateTenantToken,
     });
   }
 
@@ -598,7 +601,7 @@ async function sendImageFeishu(params: {
         },
       }),
     "Feishu image send failed",
-    { includeNestedErrorLogId: true },
+    { includeNestedErrorLogId: true, invalidateTenantToken },
   );
   assertFeishuMessageApiSuccess(response, "Feishu image send failed");
   return toFeishuSendResult(response, receiveId, "media", "Feishu image send failed");
@@ -628,7 +631,7 @@ async function sendFileFeishu(params: {
     accountId,
   } = params;
   const msgType = params.msgType ?? "file";
-  const { client, receiveId, receiveIdType } = resolveFeishuSendTarget({
+  const { client, receiveId, receiveIdType, invalidateTenantToken } = resolveFeishuSendTarget({
     cfg,
     to,
     accountId,
@@ -650,6 +653,7 @@ async function sendFileFeishu(params: {
       },
       directErrorPrefix: "Feishu file send failed",
       replyErrorPrefix: "Feishu file reply failed",
+      invalidateTenantToken,
     });
   }
 
@@ -664,7 +668,7 @@ async function sendFileFeishu(params: {
         },
       }),
     "Feishu file send failed",
-    { includeNestedErrorLogId: true },
+    { includeNestedErrorLogId: true, invalidateTenantToken },
   );
   assertFeishuMessageApiSuccess(response, "Feishu file send failed");
   return toFeishuSendResult(
diff --git a/extensions/feishu/src/reply-dispatcher.test.ts b/extensions/feishu/src/reply-dispatcher.test.ts
index 385870eba357..a5a30c00029e 100644
--- a/extensions/feishu/src/reply-dispatcher.test.ts
+++ b/extensions/feishu/src/reply-dispatcher.test.ts
@@ -11,6 +11,7 @@ import { afterAll, beforeEach, describe, expect, it, vi } from "vitest";
 type StreamingSessionStub = {
   active: boolean;
   credentials: unknown;
+  deps: { invalidateTenantToken?: () => Promise<void> } | undefined;
   start: ReturnType<typeof vi.fn>;
   update: ReturnType<typeof vi.fn>;
   close: ReturnType<typeof vi.fn>;
@@ -27,6 +28,7 @@ const sendMarkdownCardFeishuMock = vi.hoisted(() => vi.fn());
 const sendStructuredCardFeishuMock = vi.hoisted(() => vi.fn());
 const sendMediaFeishuMock = vi.hoisted(() => vi.fn());
 const createFeishuClientMock = vi.hoisted(() => vi.fn());
+const invalidateFeishuTenantAccessTokenMock = vi.hoisted(() => vi.fn());
 const resolveReceiveIdTypeMock = vi.hoisted(() => vi.fn());
 const addTypingIndicatorMock = vi.hoisted(() => vi.fn(async () => ({ messageId: "om_msg" })));
 const removeTypingIndicatorMock = vi.hoisted(() => vi.fn(async () => {}));
@@ -107,7 +109,10 @@ vi.mock("openclaw/plugin-sdk/ssrf-runtime", async (importOriginal) => {
     resolvePinnedHostnameWithPolicy: resolvePinnedHostnameWithPolicyMock,
   };
 });
-vi.mock("./client.js", () => ({ createFeishuClient: createFeishuClientMock }));
+vi.mock("./client.js", () => ({
+  createFeishuClient: createFeishuClientMock,
+  invalidateFeishuTenantAccessToken: invalidateFeishuTenantAccessTokenMock,
+}));
 vi.mock("./targets.js", () => ({ resolveReceiveIdType: resolveReceiveIdTypeMock }));
 vi.mock("./typing.js", () => ({
   addTypingIndicator: addTypingIndicatorMock,
@@ -131,6 +136,7 @@ vi.mock("./streaming-card.js", () => {
     FeishuStreamingSession: class {
       active = false;
       credentials: unknown;
+      deps: { invalidateTenantToken?: () => Promise<void> } | undefined;
       start = vi.fn(async () => {
         this.active = true;
       });
@@ -149,8 +155,14 @@ vi.mock("./streaming-card.js", () => {
       });
       isActive = vi.fn(() => this.active);
 
-      constructor(_client: unknown, credentials: unknown) {
+      constructor(
+        _client: unknown,
+        credentials: unknown,
+        _log?: (message: string) => void,
+        deps?: { invalidateTenantToken?: () => Promise<void> },
+      ) {
         this.credentials = credentials;
+        this.deps = deps;
         streamingInstances.push(this);
       }
     },
@@ -410,6 +422,18 @@ describe("createFeishuReplyDispatcher streaming behavior", () => {
     );
   }
 
+  it("propagates the account token invalidator into streaming sessions", async () => {
+    const { options } = createDispatcherHarness();
+    await options.onReplyStart?.();
+    await options.deliver({ text: "hello" }, { kind: "final" });
+
+    const invalidate = requireStreamingInstance(0).deps?.invalidateTenantToken;
+    await invalidate?.();
+    expect(invalidateFeishuTenantAccessTokenMock).toHaveBeenCalledWith(
+      resolveFeishuAccountMock.mock.results[0]?.value,
+    );
+  });
+
   it("skips typing indicator when account typingIndicator is disabled", async () => {
     resolveFeishuAccountMock.mockReturnValue({
       accountId: "main",
diff --git a/extensions/feishu/src/reply-dispatcher.ts b/extensions/feishu/src/reply-dispatcher.ts
index 9ef31a9c11cc..30613acd02ed 100644
--- a/extensions/feishu/src/reply-dispatcher.ts
+++ b/extensions/feishu/src/reply-dispatcher.ts
@@ -22,7 +22,7 @@ import {
 import { stripReasoningTagsFromText } from "openclaw/plugin-sdk/text-chunking";
 import { resolveFeishuRuntimeAccount } from "./accounts.js";
 import { resolveConfiguredHttpTimeoutMs } from "./client-timeout.js";
-import { createFeishuClient } from "./client.js";
+import { createFeishuClient, invalidateFeishuTenantAccessToken } from "./client.js";
 import { resolveFeishuIdentityEmoji } from "./identity-header.js";
 import { chunkFeishuPostMarkdown, materializeFeishuPostMarkdownSoftBreaks } from "./markdown.js";
 import { buildFeishuMediaFallbackText } from "./media-fallback.js";
@@ -460,8 +460,11 @@ export function createFeishuReplyDispatcher(params: CreateFeishuReplyDispatcherP
         return;
       }
 
-      const session = new FeishuStreamingSession(createFeishuClient(account), creds, (message) =>
-        params.runtime.log?.(`feishu[${account.accountId}] ${message}`),
+      const session = new FeishuStreamingSession(
+        createFeishuClient(account),
+        creds,
+        (message) => params.runtime.log?.(`feishu[${account.accountId}] ${message}`),
+        { invalidateTenantToken: () => invalidateFeishuTenantAccessToken(account) },
       );
       const generation = ++streamingGeneration;
       streaming = session;
diff --git a/extensions/feishu/src/send-target.test.ts b/extensions/feishu/src/send-target.test.ts
index c28639269e61..e2a0bd5eb7e0 100644
--- a/extensions/feishu/src/send-target.test.ts
+++ b/extensions/feishu/src/send-target.test.ts
@@ -4,6 +4,7 @@ import type { ClawdbotConfig } from "../runtime-api.js";
 
 const resolveFeishuAccountMock = vi.hoisted(() => vi.fn());
 const createFeishuClientMock = vi.hoisted(() => vi.fn());
+const invalidateFeishuTenantAccessTokenMock = vi.hoisted(() => vi.fn());
 
 vi.mock("./accounts.js", () => ({
   resolveFeishuAccount: resolveFeishuAccountMock,
@@ -12,6 +13,7 @@ vi.mock("./accounts.js", () => ({
 
 vi.mock("./client.js", () => ({
   createFeishuClient: createFeishuClientMock,
+  invalidateFeishuTenantAccessToken: invalidateFeishuTenantAccessTokenMock,
 }));
 
 let resolveFeishuSendTarget: typeof import("./send-target.js").resolveFeishuSendTarget;
@@ -39,7 +41,7 @@ describe("resolveFeishuSendTarget", () => {
     createFeishuClientMock.mockReset().mockReturnValue(client);
   });
 
-  it("keeps explicit group targets as chat_id even when ID shape is ambiguous", () => {
+  it("keeps explicit group targets as chat_id and propagates account invalidation", async () => {
     const result = resolveFeishuSendTarget({
       cfg,
       to: "feishu:group:group_room_alpha",
@@ -48,6 +50,10 @@ describe("resolveFeishuSendTarget", () => {
     expect(result.receiveId).toBe("group_room_alpha");
     expect(result.receiveIdType).toBe("chat_id");
     expect(result.client).toBe(client);
+    await result.invalidateTenantToken();
+    expect(invalidateFeishuTenantAccessTokenMock).toHaveBeenCalledWith(
+      resolveFeishuAccountMock.mock.results[0]?.value,
+    );
   });
 
   it("maps dm-prefixed open IDs to open_id", () => {
diff --git a/extensions/feishu/src/send-target.ts b/extensions/feishu/src/send-target.ts
index a222c1f90690..fa59f1a0f103 100644
--- a/extensions/feishu/src/send-target.ts
+++ b/extensions/feishu/src/send-target.ts
@@ -1,11 +1,12 @@
 // Feishu plugin module implements send target behavior.
 import type { ClawdbotConfig } from "../runtime-api.js";
 import { resolveFeishuRuntimeAccount } from "./accounts.js";
-import { createFeishuClient } from "./client.js";
+import { createFeishuClient, invalidateFeishuTenantAccessToken } from "./client.js";
 import { resolveReceiveIdType, normalizeFeishuTarget } from "./targets.js";
 
 type FeishuSendTarget = {
   client: ReturnType<typeof createFeishuClient>;
+  invalidateTenantToken: () => Promise<void>;
   receiveId: string;
   receiveIdType: ReturnType<typeof resolveReceiveIdType>;
 };
@@ -30,6 +31,7 @@ export function resolveFeishuSendTarget(params: {
   const withoutProviderPrefix = target.replace(/^(feishu|lark):/i, "");
   return {
     client,
+    invalidateTenantToken: () => invalidateFeishuTenantAccessToken(account),
     receiveId,
     receiveIdType: resolveReceiveIdType(withoutProviderPrefix),
   };
diff --git a/extensions/feishu/src/send.retry.test.ts b/extensions/feishu/src/send.retry.test.ts
index 4c04fff27599..0ad731ad069e 100644
--- a/extensions/feishu/src/send.retry.test.ts
+++ b/extensions/feishu/src/send.retry.test.ts
@@ -321,3 +321,81 @@ describe("requestFeishuApi — retry on fulfilled rate-limit body (no throw)", (
     expect(request).toHaveBeenCalledTimes(3);
   });
 });
+
+describe("requestFeishuApi — invalid tenant token recovery", () => {
+  it("invalidates and retries once for thrown 99991663", async () => {
+    const invalidateTenantToken = vi.fn().mockResolvedValue(undefined);
+    const request = vi
+      .fn()
+      .mockRejectedValueOnce(axiosError(99991663))
+      .mockResolvedValueOnce({ code: 0 });
+
+    await expect(
+      requestFeishuApi(request, "prefix", { ...NO_DELAY, invalidateTenantToken }),
+    ).resolves.toEqual({ code: 0 });
+    expect(invalidateTenantToken).toHaveBeenCalledTimes(1);
+    expect(request).toHaveBeenCalledTimes(2);
+  });
+
+  it("invalidates and retries once for fulfilled 99991663", async () => {
+    const invalidateTenantToken = vi.fn().mockResolvedValue(undefined);
+    const request = vi
+      .fn()
+      .mockResolvedValueOnce({ code: 99991663, msg: "invalid tenant token" })
+      .mockResolvedValueOnce({ code: 0 });
+
+    await requestFeishuApi(request, "prefix", { ...NO_DELAY, invalidateTenantToken });
+    expect(invalidateTenantToken).toHaveBeenCalledTimes(1);
+    expect(request).toHaveBeenCalledTimes(2);
+  });
+
+  it("surfaces persistent 99991663 after one recovery", async () => {
+    const invalidateTenantToken = vi.fn().mockResolvedValue(undefined);
+    const request = vi.fn().mockRejectedValue(axiosError(99991663));
+
+    await expect(
+      requestFeishuApi(request, "prefix", { ...NO_DELAY, invalidateTenantToken }),
+    ).rejects.toThrow(/99991663/);
+    expect(invalidateTenantToken).toHaveBeenCalledTimes(1);
+    expect(request).toHaveBeenCalledTimes(2);
+  });
+
+  it.each([99991664, 401])("does not recover unrelated auth signal %s", async (signal) => {
+    const invalidateTenantToken = vi.fn().mockResolvedValue(undefined);
+    const error =
+      signal === 401
+        ? Object.assign(new Error("unauthorized"), { response: { status: 401, data: {} } })
+        : axiosError(signal);
+    const request = vi.fn().mockRejectedValue(error);
+
+    await expect(
+      requestFeishuApi(request, "prefix", { ...NO_DELAY, invalidateTenantToken }),
+    ).rejects.toThrow();
+    expect(invalidateTenantToken).not.toHaveBeenCalled();
+    expect(request).toHaveBeenCalledTimes(1);
+  });
+
+  it("preserves the Feishu diagnostic when invalidation fails", async () => {
+    const invalidateTenantToken = vi.fn().mockRejectedValue(new Error("cache unavailable"));
+
+    await expect(
+      requestFeishuApi(vi.fn().mockRejectedValue(axiosError(99991663)), "send failed", {
+        ...NO_DELAY,
+        invalidateTenantToken,
+      }),
+    ).rejects.toThrow(/99991663.*cache unavailable/);
+  });
+
+  it("restarts the complete rate-limit loop after invalidation", async () => {
+    const invalidateTenantToken = vi.fn().mockResolvedValue(undefined);
+    const request = vi
+      .fn()
+      .mockRejectedValueOnce(axiosError(230020))
+      .mockRejectedValueOnce(axiosError(99991663))
+      .mockResolvedValueOnce({ code: 0 });
+
+    await requestFeishuApi(request, "prefix", { ...NO_DELAY, invalidateTenantToken });
+    expect(request).toHaveBeenCalledTimes(3);
+    expect(invalidateTenantToken).toHaveBeenCalledTimes(1);
+  });
+});
diff --git a/extensions/feishu/src/send.ts b/extensions/feishu/src/send.ts
index 8366433bff67..abaf580b0952 100644
--- a/extensions/feishu/src/send.ts
+++ b/extensions/feishu/src/send.ts
@@ -114,6 +114,7 @@ async function sendFallbackDirect(
     msgType: string;
   },
   errorPrefix: string,
+  invalidateTenantToken?: () => Promise<void>,
 ): Promise<FeishuSendResult> {
   const response = await requestFeishuApi(
     () =>
@@ -126,7 +127,7 @@ async function sendFallbackDirect(
         },
       }),
     errorPrefix,
-    { includeNestedErrorLogId: true },
+    { includeNestedErrorLogId: true, invalidateTenantToken },
   );
   assertFeishuMessageApiSuccess(response, errorPrefix);
   return toFeishuSendResult(
@@ -153,10 +154,16 @@ export async function sendReplyOrFallbackDirect(
     };
     directErrorPrefix: string;
     replyErrorPrefix: string;
+    invalidateTenantToken?: () => Promise<void>;
   },
 ): Promise<FeishuSendResult> {
   if (!params.replyToMessageId) {
-    return sendFallbackDirect(client, params.directParams, params.directErrorPrefix);
+    return sendFallbackDirect(
+      client,
+      params.directParams,
+      params.directErrorPrefix,
+      params.invalidateTenantToken,
+    );
   }
 
   const replyTargetFallbackError =
@@ -179,7 +186,7 @@ export async function sendReplyOrFallbackDirect(
           },
         }),
       params.replyErrorPrefix,
-      { includeNestedErrorLogId: true },
+      { includeNestedErrorLogId: true, invalidateTenantToken: params.invalidateTenantToken },
     );
   } catch (err) {
     if (!isWithdrawnReplyError(err)) {
@@ -188,13 +195,23 @@ export async function sendReplyOrFallbackDirect(
     if (replyTargetFallbackError) {
       throw replyTargetFallbackError;
     }
-    return sendFallbackDirect(client, params.directParams, params.directErrorPrefix);
+    return sendFallbackDirect(
+      client,
+      params.directParams,
+      params.directErrorPrefix,
+      params.invalidateTenantToken,
+    );
   }
   if (shouldFallbackFromReplyTarget(response)) {
     if (replyTargetFallbackError) {
       throw replyTargetFallbackError;
     }
-    return sendFallbackDirect(client, params.directParams, params.directErrorPrefix);
+    return sendFallbackDirect(
+      client,
+      params.directParams,
+      params.directErrorPrefix,
+      params.invalidateTenantToken,
+    );
   }
   assertFeishuMessageApiSuccess(response, params.replyErrorPrefix);
   return toFeishuSendResult(
@@ -466,7 +483,11 @@ export async function sendMessageFeishu(
     mentions,
     accountId,
   } = params;
-  const { client, receiveId, receiveIdType } = resolveFeishuSendTarget({ cfg, to, accountId });
+  const { client, receiveId, receiveIdType, invalidateTenantToken } = resolveFeishuSendTarget({
+    cfg,
+    to,
+    accountId,
+  });
   const tableMode = resolveMarkdownTableMode({
     cfg,
     channel: "feishu",
@@ -490,6 +511,7 @@ export async function sendMessageFeishu(
     directParams,
     directErrorPrefix: "Feishu send failed",
     replyErrorPrefix: "Feishu reply failed",
+    invalidateTenantToken,
   });
 }
 
@@ -507,7 +529,11 @@ type SendFeishuCardParams = {
 export async function sendCardFeishu(params: SendFeishuCardParams): Promise<FeishuSendResult> {
   const { cfg, to, card, replyToMessageId, replyInThread, allowTopLevelReplyFallback, accountId } =
     params;
-  const { client, receiveId, receiveIdType } = resolveFeishuSendTarget({ cfg, to, accountId });
+  const { client, receiveId, receiveIdType, invalidateTenantToken } = resolveFeishuSendTarget({
+    cfg,
+    to,
+    accountId,
+  });
   const content = JSON.stringify(card);
 
   const directParams = { receiveId, receiveIdType, content, msgType: "interactive" };
@@ -520,6 +546,7 @@ export async function sendCardFeishu(params: SendFeishuCardParams): Promise<Feis
     directParams,
     directErrorPrefix: "Feishu card send failed",
     replyErrorPrefix: "Feishu card reply failed",
+    invalidateTenantToken,
   });
 }
 
diff --git a/extensions/feishu/src/streaming-card.test.ts b/extensions/feishu/src/streaming-card.test.ts
index cb9a5985521b..8a4c12df5747 100644
--- a/extensions/feishu/src/streaming-card.test.ts
+++ b/extensions/feishu/src/streaming-card.test.ts
@@ -287,6 +287,155 @@ describe("FeishuStreamingSession", () => {
     return { authTokens, client, deps };
   }
 
+  type CardKitRequest = (params: {
+    path: string;
+    method: "POST" | "PUT" | "PATCH";
+    body: string;
+    auditContext: string;
+    action: string;
+  }) => Promise<{ code?: number }>;
+
+  function requestCardKit(session: FeishuStreamingSession): CardKitRequest {
+    return (session as unknown as { requestCardKit: CardKitRequest }).requestCardKit.bind(session);
+  }
+
+  it.each([
+    ["create", "/cardkit/v1/cards", "POST"],
+    ["update", "/cardkit/v1/cards/card/elements/content/content", "PUT"],
+    ["replace", "/cardkit/v1/cards/card/elements/content", "PUT"],
+    ["note", "/cardkit/v1/cards/card/elements/note/content", "PUT"],
+    ["close", "/cardkit/v1/cards/card/settings", "PATCH"],
+  ] as const)(
+    "recovers exact 99991663 once for CardKit %s and releases every request",
+    async (action, path, method) => {
+      let authCalls = 0;
+      let cardCalls = 0;
+      const releases: Array<ReturnType<typeof vi.fn>> = [];
+      const guardedFetch = vi.fn(async (params: { url: string }) => {
+        const release = vi.fn().mockResolvedValue(undefined);
+        releases.push(release);
+        if (params.url.includes("/auth/")) {
+          authCalls += 1;
+          return {
+            response: jsonResponse({
+              code: 0,
+              msg: "ok",
+              tenant_access_token: `token-${authCalls}`,
+              expire: 7200,
+            }),
+            release,
+          };
+        }
+        cardCalls += 1;
+        return {
+          response: jsonResponse(
+            cardCalls === 1 ? { code: 99991663, msg: "invalid token" } : { code: 0, msg: "ok" },
+          ),
+          release,
+        };
+      });
+      const session = new FeishuStreamingSession(
+        {} as never,
+        { appId: `app-${action}`, appSecret: "secret" },
+        undefined,
+        { guardedFetch: guardedFetch as never },
+      );
+
+      await expect(
+        requestCardKit(session)({
+          path,
+          method,
+          body: "{}",
+          auditContext: `test.${action}`,
+          action,
+        }),
+      ).resolves.toMatchObject({ code: 0 });
+      expect({ authCalls, cardCalls }).toEqual({ authCalls: 2, cardCalls: 2 });
+      expect(releases).toHaveLength(4);
+      expect(releases.every((release) => release.mock.calls.length === 1)).toBe(true);
+    },
+  );
+
+  it.each([99991663, 99991664])(
+    "keeps persistent or unrelated CardKit auth code %s terminal after the allowed recovery",
+    async (code) => {
+      let authCalls = 0;
+      let cardCalls = 0;
+      const guardedFetch = vi.fn(async (params: { url: string }) => {
+        if (params.url.includes("/auth/")) {
+          authCalls += 1;
+          return {
+            response: jsonResponse({
+              code: 0,
+              msg: "ok",
+              tenant_access_token: `token-${authCalls}`,
+              expire: 7200,
+            }),
+            release: vi.fn(),
+          };
+        }
+        cardCalls += 1;
+        return { response: jsonResponse({ code, msg: "auth error" }), release: vi.fn() };
+      });
+      const session = new FeishuStreamingSession(
+        {} as never,
+        { appId: `app-terminal-${code}`, appSecret: "secret" },
+        undefined,
+        { guardedFetch: guardedFetch as never },
+      );
+
+      await expect(
+        requestCardKit(session)({
+          path: "/cardkit/v1/cards",
+          method: "POST",
+          body: "{}",
+          auditContext: "test.terminal",
+          action: "create",
+        }),
+      ).rejects.toThrow(String(code));
+      expect(cardCalls).toBe(code === 99991663 ? 2 : 1);
+      expect(authCalls).toBe(code === 99991663 ? 2 : 1);
+    },
+  );
+
+  it("isolates raw CardKit tokens by domain and app id", async () => {
+    const authCalls = [0, 0];
+    const sessions = ["feishu", "lark"].map((domain, index) => {
+      const guardedFetch = vi.fn(async (params: { url: string }) => {
+        if (params.url.includes("/auth/")) {
+          authCalls[index] = (authCalls[index] ?? 0) + 1;
+          return {
+            response: jsonResponse({
+              code: 0,
+              msg: "ok",
+              tenant_access_token: `token-${domain}`,
+              expire: 7200,
+            }),
+            release: vi.fn(),
+          };
+        }
+        return { response: jsonResponse({ code: 0 }), release: vi.fn() };
+      });
+      return new FeishuStreamingSession(
+        {} as never,
+        { appId: "same-app", appSecret: "secret", domain: domain as "feishu" | "lark" },
+        undefined,
+        { guardedFetch: guardedFetch as never },
+      );
+    });
+
+    for (const session of sessions) {
+      await requestCardKit(session)({
+        path: "/cardkit/v1/cards",
+        method: "POST",
+        body: "{}",
+        auditContext: "test.isolation",
+        action: "create",
+      });
+    }
+    expect(authCalls).toEqual([1, 1]);
+  });
+
   it("rejects oversized streaming tenant-token JSON before buffering the full body", async () => {
     let streamState:
       | {
diff --git a/extensions/feishu/src/streaming-card.ts b/extensions/feishu/src/streaming-card.ts
index 88c00f972b92..ae0c707ecaba 100644
--- a/extensions/feishu/src/streaming-card.ts
+++ b/extensions/feishu/src/streaming-card.ts
@@ -34,15 +34,18 @@ type CardState = {
 };
 
 type FeishuStreamingFetch = typeof fetch;
+type FeishuGuardedFetch = typeof fetchWithSsrFGuard;
 
 type FeishuStreamingDeps = {
   /** Override fetch for tests while preserving the real SSRF guard path. */
   fetchImpl?: FeishuStreamingFetch;
   /** Override hostname lookup for hermetic SSRF-guard tests. */
   lookupFn?: LookupFn;
+  invalidateTenantToken?: () => Promise<void>;
+  guardedFetch?: FeishuGuardedFetch;
 };
 
-type CardKitResponse = { code?: number; msg?: string };
+type CardKitResponse = { code?: number; msg?: string; data?: unknown };
 
 type FeishuStreamingCloseResult = {
   visibleReplySent: boolean;
@@ -90,6 +93,14 @@ const FEISHU_STREAMING_TOKEN_DEFAULT_LIFETIME_SECONDS = 7200;
 // Token cache (keyed by domain + appId)
 const tokenCache = new Map<string, { token: string; expiresAt: number }>();
 
+function resolveStreamingTokenCacheKey(creds: Credentials): string {
+  return `${creds.domain ?? "feishu"}|${creds.appId}`;
+}
+
+function invalidateStreamingToken(creds: Credentials): void {
+  tokenCache.delete(resolveStreamingTokenCacheKey(creds));
+}
+
 function resolveStreamingTokenExpiresAt(value: unknown, nowMs = Date.now()): number {
   const now = resolveDateTimestampMs(nowMs);
   if (typeof value === "number" && Number.isFinite(value) && value <= 0) {
@@ -137,23 +148,8 @@ function cancelUnreadResponseBody(response: Response): void {
   }
 }
 
-async function assertSuccessfulCardKitResponse(
-  response: Response,
-  auditContext: string,
-  action: string,
-): Promise<void> {
-  if (!response.ok) {
-    cancelUnreadResponseBody(response);
-    throw new Error(`${action} failed with HTTP ${response.status}`);
-  }
-  const data = await readFeishuJsonResponse<CardKitResponse>(response, auditContext);
-  if (data.code !== 0) {
-    throw new Error(`${action} failed: ${data.msg ?? "unknown error"} (code=${String(data.code)})`);
-  }
-}
-
 async function getToken(creds: Credentials, deps?: FeishuStreamingDeps): Promise<string> {
-  const key = `${creds.domain ?? "feishu"}|${creds.appId}`;
+  const key = resolveStreamingTokenCacheKey(creds);
   const cached = tokenCache.get(key);
   const rawNow = Date.now();
   const hasValidClock = asDateTimestampMs(rawNow) !== undefined;
@@ -163,7 +159,7 @@ async function getToken(creds: Credentials, deps?: FeishuStreamingDeps): Promise
     return cached.token;
   }
 
-  const { response, release } = await fetchWithSsrFGuard({
+  const { response, release } = await (deps?.guardedFetch ?? fetchWithSsrFGuard)({
     url: `${resolveApiBase(creds.domain)}/auth/v3/tenant_access_token/internal`,
     init: {
       method: "POST",
@@ -260,6 +256,8 @@ export class FeishuStreamingSession {
   private updateThrottleMs = STREAMING_UPDATE_THROTTLE_MS;
   private fetchImpl?: FeishuStreamingFetch;
   private lookupFn?: LookupFn;
+  private invalidateTenantToken?: () => Promise<void>;
+  private guardedFetch: FeishuGuardedFetch;
 
   constructor(
     client: Client,
@@ -272,6 +270,70 @@ export class FeishuStreamingSession {
     this.log = log;
     this.fetchImpl = deps?.fetchImpl;
     this.lookupFn = deps?.lookupFn;
+    this.invalidateTenantToken = deps?.invalidateTenantToken;
+    this.guardedFetch = deps?.guardedFetch ?? fetchWithSsrFGuard;
+  }
+
+  private async requestCardKit<T extends CardKitResponse>(params: {
+    path: string;
+    method: "POST" | "PUT" | "PATCH";
+    body: string;
+    auditContext: string;
+    action: string;
+  }): Promise<T> {
+    for (let attempt = 0; attempt < 2; attempt += 1) {
+      const { response, release } = await this.guardedFetch({
+        url: `${resolveApiBase(this.creds.domain)}${params.path}`,
+        init: {
+          method: params.method,
+          headers: {
+            Authorization: `Bearer ${await getToken(this.creds, {
+              fetchImpl: this.fetchImpl,
+              lookupFn: this.lookupFn,
+              guardedFetch: this.guardedFetch,
+            })}`,
+            "Content-Type": "application/json",
+            "User-Agent": getFeishuUserAgent(),
+          },
+          body: params.body,
+        },
+        fetchImpl: this.fetchImpl,
+        lookupFn: this.lookupFn,
+        policy: { allowedHostnames: resolveAllowedHostnames(this.creds.domain) },
+        auditContext: params.auditContext,
+        timeoutMs: this.creds.httpTimeoutMs ?? FEISHU_HTTP_TIMEOUT_MS,
+      });
+      try {
+        let data: T;
+        try {
+          data = await readFeishuJsonResponse<T>(response, params.auditContext);
+        } catch (error) {
+          if (!response.ok) {
+            cancelUnreadResponseBody(response);
+            throw new Error(`${params.action} failed with HTTP ${response.status}`, {
+              cause: error,
+            });
+          }
+          throw error;
+        }
+        if (data.code === 99991663 && attempt === 0) {
+          invalidateStreamingToken(this.creds);
+          continue;
+        }
+        if (!response.ok) {
+          throw new Error(`${params.action} failed with HTTP ${response.status}`);
+        }
+        if (data.code !== 0) {
+          throw new Error(
+            `${params.action} failed: ${data.msg ?? "unknown error"} (code=${String(data.code)})`,
+          );
+        }
+        return data;
+      } finally {
+        await release();
+      }
+    }
+    throw new Error(`${params.action} failed after tenant token recovery`);
   }
 
   async start(
@@ -283,7 +345,6 @@ export class FeishuStreamingSession {
       return;
     }
 
-    const apiBase = resolveApiBase(this.creds.domain);
     const elements: Record<string, unknown>[] = [
       { tag: "markdown", content: "", element_id: "content" },
     ];
@@ -312,41 +373,18 @@ export class FeishuStreamingSession {
     }
 
     // Create card entity
-    const { response: createRes, release: releaseCreate } = await fetchWithSsrFGuard({
-      url: `${apiBase}/cardkit/v1/cards`,
-      init: {
-        method: "POST",
-        headers: {
-          Authorization: `Bearer ${await getToken(this.creds, {
-            fetchImpl: this.fetchImpl,
-            lookupFn: this.lookupFn,
-          })}`,
-          "Content-Type": "application/json",
-          "User-Agent": getFeishuUserAgent(),
-        },
-        body: JSON.stringify({ type: "card_json", data: JSON.stringify(cardJson) }),
-      },
-      fetchImpl: this.fetchImpl,
-      lookupFn: this.lookupFn,
-      policy: { allowedHostnames: resolveAllowedHostnames(this.creds.domain) },
-      auditContext: "feishu.streaming-card.create",
-      timeoutMs: this.creds.httpTimeoutMs ?? FEISHU_HTTP_TIMEOUT_MS,
-    });
-    let createData: {
+    const createData = await this.requestCardKit<{
       code: number;
       msg: string;
       data?: { card_id: string };
-    };
-    try {
-      if (!createRes.ok) {
-        cancelUnreadResponseBody(createRes);
-        throw new Error(`Create card request failed with HTTP ${createRes.status}`);
-      }
-      createData = await readFeishuJsonResponse(createRes, "feishu.streaming-card.create");
-    } finally {
-      await releaseCreate();
-    }
-    if (createData.code !== 0 || !createData.data?.card_id) {
+    }>({
+      path: "/cardkit/v1/cards",
+      method: "POST",
+      body: JSON.stringify({ type: "card_json", data: JSON.stringify(cardJson) }),
+      auditContext: "feishu.streaming-card.create",
+      action: "Create card request",
+    });
+    if (!createData.data?.card_id) {
       throw new Error(`Create card failed: ${createData.msg}`);
     }
     const cardId = createData.data.card_id;
@@ -371,6 +409,7 @@ export class FeishuStreamingSession {
             },
           }),
         "Send card failed",
+        { invalidateTenantToken: this.invalidateTenantToken },
       );
     } else if (sendMode === "root_create") {
       // root_id is undeclared in the SDK types but accepted at runtime
@@ -384,6 +423,7 @@ export class FeishuStreamingSession {
             ),
           }),
         "Send card failed",
+        { invalidateTenantToken: this.invalidateTenantToken },
       );
     } else {
       sendRes = await requestFeishuApi(
@@ -397,6 +437,7 @@ export class FeishuStreamingSession {
             },
           }),
         "Send card failed",
+        { invalidateTenantToken: this.invalidateTenantToken },
       );
     }
     if (sendRes.code !== 0 || !sendRes.data?.message_id) {
@@ -421,42 +462,19 @@ export class FeishuStreamingSession {
     if (!this.state) {
       return false;
     }
-    const apiBase = resolveApiBase(this.creds.domain);
     this.state.sequence += 1;
     try {
-      const { response, release } = await fetchWithSsrFGuard({
-        url: `${apiBase}/cardkit/v1/cards/${this.state.cardId}/elements/content/content`,
-        init: {
-          method: "PUT",
-          headers: {
-            Authorization: `Bearer ${await getToken(this.creds, {
-              fetchImpl: this.fetchImpl,
-              lookupFn: this.lookupFn,
-            })}`,
-            "Content-Type": "application/json",
-            "User-Agent": getFeishuUserAgent(),
-          },
-          body: JSON.stringify({
-            content: text,
-            sequence: this.state.sequence,
-            uuid: `s_${this.state.cardId}_${this.state.sequence}`,
-          }),
-        },
-        fetchImpl: this.fetchImpl,
-        lookupFn: this.lookupFn,
-        policy: { allowedHostnames: resolveAllowedHostnames(this.creds.domain) },
+      await this.requestCardKit({
+        path: `/cardkit/v1/cards/${this.state.cardId}/elements/content/content`,
+        method: "PUT",
+        body: JSON.stringify({
+          content: text,
+          sequence: this.state.sequence,
+          uuid: `s_${this.state.cardId}_${this.state.sequence}`,
+        }),
         auditContext: "feishu.streaming-card.update",
-        timeoutMs: this.creds.httpTimeoutMs ?? FEISHU_HTTP_TIMEOUT_MS,
+        action: "Update card content",
       });
-      try {
-        await assertSuccessfulCardKitResponse(
-          response,
-          "feishu.streaming-card.update",
-          "Update card content",
-        );
-      } finally {
-        await release();
-      }
       return true;
     } catch (error) {
       onError?.(error);
@@ -471,42 +489,19 @@ export class FeishuStreamingSession {
     if (!this.state) {
       return false;
     }
-    const apiBase = resolveApiBase(this.creds.domain);
     this.state.sequence += 1;
     try {
-      const { response, release } = await fetchWithSsrFGuard({
-        url: `${apiBase}/cardkit/v1/cards/${this.state.cardId}/elements/content`,
-        init: {
-          method: "PUT",
-          headers: {
-            Authorization: `Bearer ${await getToken(this.creds, {
-              fetchImpl: this.fetchImpl,
-              lookupFn: this.lookupFn,
-            })}`,
-            "Content-Type": "application/json",
-            "User-Agent": getFeishuUserAgent(),
-          },
-          body: JSON.stringify({
-            element: JSON.stringify({ tag: "markdown", content: text, element_id: "content" }),
-            sequence: this.state.sequence,
-            uuid: `r_${this.state.cardId}_${this.state.sequence}`,
-          }),
-        },
-        fetchImpl: this.fetchImpl,
-        lookupFn: this.lookupFn,
-        policy: { allowedHostnames: resolveAllowedHostnames(this.creds.domain) },
+      await this.requestCardKit({
+        path: `/cardkit/v1/cards/${this.state.cardId}/elements/content`,
+        method: "PUT",
+        body: JSON.stringify({
+          element: JSON.stringify({ tag: "markdown", content: text, element_id: "content" }),
+          sequence: this.state.sequence,
+          uuid: `r_${this.state.cardId}_${this.state.sequence}`,
+        }),
         auditContext: "feishu.streaming-card.replace",
-        timeoutMs: this.creds.httpTimeoutMs ?? FEISHU_HTTP_TIMEOUT_MS,
+        action: "Replace card content",
       });
-      try {
-        await assertSuccessfulCardKitResponse(
-          response,
-          "feishu.streaming-card.replace",
-          "Replace card content",
-        );
-      } finally {
-        await release();
-      }
       return true;
     } catch (error) {
       onError?.(error);
@@ -585,44 +580,18 @@ export class FeishuStreamingSession {
     if (!this.state || !this.state.hasNote) {
       return;
     }
-    const apiBase = resolveApiBase(this.creds.domain);
     this.state.sequence += 1;
-    await fetchWithSsrFGuard({
-      url: `${apiBase}/cardkit/v1/cards/${this.state.cardId}/elements/note/content`,
-      init: {
-        method: "PUT",
-        headers: {
-          Authorization: `Bearer ${await getToken(this.creds, {
-            fetchImpl: this.fetchImpl,
-            lookupFn: this.lookupFn,
-          })}`,
-          "Content-Type": "application/json",
-          "User-Agent": getFeishuUserAgent(),
-        },
-        body: JSON.stringify({
-          content: `<font color='grey'>${note}</font>`,
-          sequence: this.state.sequence,
-          uuid: `n_${this.state.cardId}_${this.state.sequence}`,
-        }),
-      },
-      fetchImpl: this.fetchImpl,
-      lookupFn: this.lookupFn,
-      policy: { allowedHostnames: resolveAllowedHostnames(this.creds.domain) },
+    await this.requestCardKit({
+      path: `/cardkit/v1/cards/${this.state.cardId}/elements/note/content`,
+      method: "PUT",
+      body: JSON.stringify({
+        content: `<font color='grey'>${note}</font>`,
+        sequence: this.state.sequence,
+        uuid: `n_${this.state.cardId}_${this.state.sequence}`,
+      }),
       auditContext: "feishu.streaming-card.note-update",
-      timeoutMs: this.creds.httpTimeoutMs ?? FEISHU_HTTP_TIMEOUT_MS,
-    })
-      .then(async ({ response, release }) => {
-        try {
-          await assertSuccessfulCardKitResponse(
-            response,
-            "feishu.streaming-card.note-update",
-            "Update card note",
-          );
-        } finally {
-          await release();
-        }
-      })
-      .catch((e: unknown) => this.log?.(`Note update failed: ${String(e)}`));
+      action: "Update card note",
+    }).catch((e: unknown) => this.log?.(`Note update failed: ${String(e)}`));
   }
 
   async closeWithResult(
@@ -637,7 +606,6 @@ export class FeishuStreamingSession {
     await this.queue;
 
     const text = finalText ?? this.pendingText ?? this.state.currentText;
-    const apiBase = resolveApiBase(this.creds.domain);
     // A failed final rewrite does not erase previously accepted visible content.
     // sentText advances only for an accepted write; the return value reports any visible content.
     let visibleContentSent = Boolean(this.state.sentText.trim());
@@ -673,44 +641,22 @@ export class FeishuStreamingSession {
     this.state.sequence += 1;
     let closeError: unknown;
     try {
-      const { response, release } = await fetchWithSsrFGuard({
-        url: `${apiBase}/cardkit/v1/cards/${this.state.cardId}/settings`,
-        init: {
-          method: "PATCH",
-          headers: {
-            Authorization: `Bearer ${await getToken(this.creds, {
-              fetchImpl: this.fetchImpl,
-              lookupFn: this.lookupFn,
-            })}`,
-            "Content-Type": "application/json; charset=utf-8",
-            "User-Agent": getFeishuUserAgent(),
-          },
-          body: JSON.stringify({
-            settings: JSON.stringify({
-              config: {
-                streaming_mode: false,
-                summary: { content: truncateSummary(acceptedText) },
-              },
-            }),
-            sequence: this.state.sequence,
-            uuid: `c_${this.state.cardId}_${this.state.sequence}`,
+      await this.requestCardKit({
+        path: `/cardkit/v1/cards/${this.state.cardId}/settings`,
+        method: "PATCH",
+        body: JSON.stringify({
+          settings: JSON.stringify({
+            config: {
+              streaming_mode: false,
+              summary: { content: truncateSummary(acceptedText) },
+            },
           }),
-        },
-        fetchImpl: this.fetchImpl,
-        lookupFn: this.lookupFn,
-        policy: { allowedHostnames: resolveAllowedHostnames(this.creds.domain) },
+          sequence: this.state.sequence,
+          uuid: `c_${this.state.cardId}_${this.state.sequence}`,
+        }),
         auditContext: "feishu.streaming-card.close",
-        timeoutMs: this.creds.httpTimeoutMs ?? FEISHU_HTTP_TIMEOUT_MS,
+        action: "Close streaming card",
       });
-      try {
-        await assertSuccessfulCardKitResponse(
-          response,
-          "feishu.streaming-card.close",
-          "Close streaming card",
-        );
-      } finally {
-        await release();
-      }
     } catch (error: unknown) {
       closeError = error;
       this.log?.(`Close failed: ${String(error)}`);