diff --git a/extensions/feishu/src/bot-sender-name.test.ts b/extensions/feishu/src/bot-sender-name.test.ts
index 022d766fe14..07be9481675 100644
--- a/extensions/feishu/src/bot-sender-name.test.ts
+++ b/extensions/feishu/src/bot-sender-name.test.ts
@@ -1,5 +1,6 @@
 import { afterEach, describe, expect, it, vi } from "vitest";
 import { resolveFeishuSenderName } from "./bot-sender-name.js";
+import { FeishuConfigSchema } from "./config-schema.js";
 import type { ResolvedFeishuAccount } from "./types.js";
 
 const createFeishuClientMock = vi.hoisted(() => vi.fn());
@@ -16,7 +17,7 @@ const account = {
   appId: "app-id",
   appSecret: "secret",
   domain: "feishu",
-  config: {},
+  config: FeishuConfigSchema.parse({}),
 } satisfies ResolvedFeishuAccount;
 
 function mockUserNames(...names: string[]): ReturnType<typeof vi.fn> {
diff --git a/src/gateway/server-session-key.ts b/src/gateway/server-session-key.ts
index 72dc558db81..6f9a92ad25d 100644
--- a/src/gateway/server-session-key.ts
+++ b/src/gateway/server-session-key.ts
@@ -45,10 +45,13 @@ function setResolvedSessionKeyCache(
       resolvedSessionKeyByRunId.delete(oldest);
     }
   }
-  const expiresAt =
-    sessionKey === null ? resolveExpiresAtMsFromDurationMs(RUN_LOOKUP_MISS_TTL_MS) : null;
-  if (sessionKey === null && expiresAt === undefined) {
-    return;
+  let expiresAt: number | null = null;
+  if (sessionKey === null) {
+    const missExpiresAt = resolveExpiresAtMsFromDurationMs(RUN_LOOKUP_MISS_TTL_MS);
+    if (missExpiresAt === undefined) {
+      return;
+    }
+    expiresAt = missExpiresAt;
   }
   resolvedSessionKeyByRunId.set(cacheKey, {
     sessionKey,