diff --git a/test/helpers/integration-harness.ts b/test/helpers/integration-harness.ts
index af0070e..98addbe 100644
--- a/test/helpers/integration-harness.ts
+++ b/test/helpers/integration-harness.ts
@@ -101,7 +101,9 @@ function envForProcess(baseEnv: NodeJS.ProcessEnv): NodeJS.ProcessEnv {
     DEEPSEEK_API_KEY: 'sk-test',
     STORAGE_DRIVER: 'local',
     ENABLE_SWAGGER: 'false',
-    // No Bull Board in test
+    JWT_SECRET: baseEnv.JWT_SECRET || 'test-integration-secret',
+    JWT_ACCESS_EXPIRES_IN: '1h',
+    CREDENTIAL_ENCRYPTION_KEY: baseEnv.CREDENTIAL_ENCRYPTION_KEY || '0123456789abcdef0123456789abcdef',
   };
 }
 
diff --git a/test/m-ai-01-09-api-e2e.worker-int-spec.ts b/test/m-ai-01-09-api-e2e.worker-int-spec.ts
index b8dbada..aba2f64 100644
--- a/test/m-ai-01-09-api-e2e.worker-int-spec.ts
+++ b/test/m-ai-01-09-api-e2e.worker-int-spec.ts
@@ -232,11 +232,12 @@ describe('API E2E: Active Recall', () => {
     expect(res.status).toBe(401);
   });
 
-  it('404 不存在的 Question', async () => {
+  it('不存在的 Question 返回 404', async () => {
     const res = await httpPost('/api/active-recalls/nonexistent-id/submit', {
       answerText: 'A',
     }, userToken);
-    expect([403, 404]).toContain(res.status);
+    // Service throws NotFoundException → 404
+    expect(res.status).toBe(404);
   });
 });