diff --git a/backend/agenteval/web/app.py b/backend/agenteval/web/app.py
index 5db0690..1039251 100644
--- a/backend/agenteval/web/app.py
+++ b/backend/agenteval/web/app.py
@@ -1,5 +1,6 @@
 """FastAPI web backend for AgentEvalTool."""
 
+import asyncio
 import logging
 from contextlib import asynccontextmanager
 from pathlib import Path
@@ -30,9 +31,34 @@ from agenteval.web.routers import (
 from agenteval.web.websocket import ws_manager
 
 
+async def _intelligent_eval_scan_loop() -> None:
+    """Scan executing intelligent evals and enqueue worker tasks every minute.
+
+    v1.1.0 缺陷修复：`scan_and_enqueue_tasks` 此前没有调度点，OpenClaw Worker
+    每分钟唤醒却永远取不到任务。平台启动后每 60s 扫描一次 executing 的评估，
+    与 Worker 的每分钟唤醒对齐。失败不阻断（下次循环继续）。
+    """
+    _logger = logging.getLogger("agenteval")
+    while True:
+        try:
+            session = get_session()
+            try:
+                from agenteval.intelligent_eval.task_queue import scan_and_enqueue_tasks
+
+                n = scan_and_enqueue_tasks(session)
+                if n:
+                    _logger.info("智能评估扫描：入队 %d 个 Worker 任务", n)
+            finally:
+                session.close()
+        except Exception as exc:
+            logging.getLogger("agenteval").warning("智能评估扫描失败（忽略）: %s", exc)
+        await asyncio.sleep(60)
+
+
 @asynccontextmanager
 async def lifespan(_: FastAPI):
     init_db()
+    scan_task = asyncio.create_task(_intelligent_eval_scan_loop())
     # 恢复耐久 Campaign/智能作业，并清理无法安全重放的中断运行（尽力而为，不阻断启动）。
     try:
         session = get_session()
@@ -65,6 +91,12 @@ async def lifespan(_: FastAPI):
     except Exception as exc:
         logging.getLogger("agenteval").warning("启动清理失败（忽略）: %s", exc)
     yield
+    # 优雅停止后台扫描，再停其他进程内任务。
+    scan_task.cancel()
+    try:
+        await scan_task
+    except asyncio.CancelledError:
+        pass
     # 优雅停止所有进程内任务：先停活动调度循环，再停在跑的评测运行，
     # 最后停活动智能作业（分析 / 周期对比）和 judge 复核。
     try:
diff --git a/tests/integration/test_intelligent_eval_scan_scheduler.py b/tests/integration/test_intelligent_eval_scan_scheduler.py
new file mode 100644
index 0000000..e0c28bc
--- /dev/null
+++ b/tests/integration/test_intelligent_eval_scan_scheduler.py
@@ -0,0 +1,34 @@
+"""Lifespan scan-loop test (v1.1.0 defect fix).
+
+`scan_and_enqueue_tasks` previously had no scheduler — the OpenClaw Worker
+wakes every minute but could never pull a task. The lifespan now starts an
+asyncio background task that scans executing evals every 60s. This test
+verifies that on application startup the scan is actually invoked.
+"""
+from unittest.mock import MagicMock
+
+from fastapi.testclient import TestClient
+
+
+def test_lifespan_starts_scan_loop(monkeypatch):
+    """Lifespan startup must invoke the intelligent-eval scan loop once."""
+    import agenteval.intelligent_eval.task_queue as tq
+    import agenteval.web.app as app_mod
+
+    calls: list[int] = []
+    real_scan = tq.scan_and_enqueue_tasks
+
+    def fake_scan(session):
+        calls.append(1)
+        return real_scan(session)
+
+    # The scan loop calls get_session() to open a DB session; replace it with a
+    # no-op mock so the test does not touch the real SQLite file.
+    monkeypatch.setattr(app_mod, "get_session", lambda: MagicMock())
+    monkeypatch.setattr(tq, "scan_and_enqueue_tasks", fake_scan)
+
+    with TestClient(app_mod.app) as client:
+        assert client.get("/api/health").status_code == 200
+
+    # The background task runs immediately (before its first 60s sleep).
+    assert calls, "scan_and_enqueue_tasks should have been invoked on startup"