diff --git a/extensions/feishu/src/monitor.broadcast.reply-once.lifecycle.test.ts b/extensions/feishu/src/monitor.broadcast.reply-once.lifecycle.test.ts
index 295db8659ee..3c1a51a084a 100644
--- a/extensions/feishu/src/monitor.broadcast.reply-once.lifecycle.test.ts
+++ b/extensions/feishu/src/monitor.broadcast.reply-once.lifecycle.test.ts
@@ -10,7 +10,14 @@ const monitorWebSocketMock = vi.hoisted(() => vi.fn(async () => {}));
 const monitorWebhookMock = vi.hoisted(() => vi.fn(async () => {}));
 const createFeishuThreadBindingManagerMock = vi.hoisted(() => vi.fn(() => ({ stop: vi.fn() })));
 const createFeishuReplyDispatcherMock = vi.hoisted(() => vi.fn());
-const resolveBoundConversationMock = vi.hoisted(() => vi.fn(() => null));
+const resolveBoundConversationMock = vi.hoisted(() =>
+  vi.fn<
+    () => {
+      bindingId: string;
+      targetSessionKey: string;
+    } | null
+  >(() => null),
+);
 const touchBindingMock = vi.hoisted(() => vi.fn());
 const resolveAgentRouteMock = vi.hoisted(() => vi.fn());
 const dispatchReplyFromConfigMock = vi.hoisted(() => vi.fn());