diff --git a/deploy/profile-scripts/b_td1_v3_scanner.py b/deploy/profile-scripts/b_td1_v3_scanner.py
index 6c166a62..b5365e1f 100644
--- a/deploy/profile-scripts/b_td1_v3_scanner.py
+++ b/deploy/profile-scripts/b_td1_v3_scanner.py
@@ -18,9 +18,10 @@
   python3 b_td1_v3_scanner.py --force    # 忽略门控
   python3 b_td1_v3_scanner.py --top N    # 输出前 N 只（默认 5）
 """
-import sys, json, sqlite3
+import sys, json, sqlite3, time
 from pathlib import Path
 from datetime import datetime
+from concurrent.futures import ThreadPoolExecutor, as_completed
 
 sys.path.insert(0, str(Path(__file__).parent))
 from indicators import calc_ma, calc_rsi
@@ -154,18 +155,31 @@ def main():
         return
 
     all_stocks, existing = get_stock_pool()
-    print(f"  股票池 {len(all_stocks)} 只", flush=True)
+    pool = [c for c in all_stocks if c not in existing]
+    print(f"  股票池 {len(all_stocks)} 只, 待扫 {len(pool)} 只（8线程并发）", flush=True)
+    t0 = time.time()
     hits = []
-    for code in all_stocks:
-        if code in existing:
-            continue
+    # ── 2026-08-17 并发化（知微提单 t_b27ad65f）：串行14min→并发~2min，防 executor 600s 超时 ──
+    # 8 线程对齐 mr_scanner/s2_scanner 既有实践；腾讯K线接口不支持批量，只能合理并发
+    def _scan(code):
         try:
             klines = fetch_tx_klines(code, datalen=120)
             sig = check_b_td1(klines, code)
             if sig:
-                hits.append((code, code, sig))  # name 暂用 code（与 mr_scanner 同源）
+                return (code, code, sig)
         except Exception:
             pass
+        return None
+    done = 0
+    with ThreadPoolExecutor(max_workers=8) as ex:
+        fut_map = {ex.submit(_scan, c): c for c in pool}
+        for fut in as_completed(fut_map):
+            done += 1
+            if done % 500 == 0:
+                print(f"  [{done}/{len(pool)}] 命中{len(hits)} | {time.time()-t0:.0f}s", flush=True)
+            r = fut.result()
+            if r:
+                hits.append(r)
     # score 降序 top-N
     hits.sort(key=lambda x: -x[2]["score"])
     hits = hits[: args.top]
diff --git a/deploy/profile-scripts/strategy_executor.py b/deploy/profile-scripts/strategy_executor.py
index f3e054a9..7dbde476 100644
--- a/deploy/profile-scripts/strategy_executor.py
+++ b/deploy/profile-scripts/strategy_executor.py
@@ -94,7 +94,12 @@ def is_trading_time():
 
 
 def run_scanner(scanner_name):
-    """执行一个扫描器（带超时防挂）"""
+    """执行一个扫描器（带超时防挂 + returncode 检查 + 完整 stderr 落盘）
+    2026-08-17 知微提单 t_b27ad65f 辅修：
+      1. returncode 检查——scanner 崩溃(exit!=0)记 ✗，不再误报「✓完成」
+      2. 超时 600→480s（每扫描器预算，避免挤占 cron harness 600s 总预算）
+      3. 完整 stderr 落盘（截断 200→1000 字符，便于追根因）
+    """
     script = _SCRIPT_DIR / scanner_name
     if not script.exists():
         log(f"  ⚠️ {scanner_name} 不存在，跳过")
@@ -103,17 +108,28 @@ def run_scanner(scanner_name):
     try:
         r = subprocess.run(
             [sys.executable, str(script)],
-            capture_output=True, text=True, timeout=600,
+            capture_output=True, text=True, timeout=480,
             cwd=str(_SCRIPT_DIR),
         )
-        out = (r.stdout or "").strip()[:300]
-        err = (r.stderr or "").strip()[:200]
-        log(f"  ✓ {scanner_name} 完成: {out}")
-        if err:
-            log(f"  ⚠️ {scanner_name} stderr: {err}")
-        return True
-    except subprocess.TimeoutExpired:
-        log(f"  ⏱ {scanner_name} 超时(600s)跳过")
+        out = (r.stdout or "").strip()[-500:]  # 尾部（含完成/命中汇总）
+        err = (r.stderr or "").strip()[-1000:]  # 完整 stderr（截断1000）
+        if r.returncode == 0:
+            log(f"  ✓ {scanner_name} 完成(rc=0): {out}")
+            if err:
+                log(f"  ⚠️ {scanner_name} stderr(rc=0): {err}")
+            return True
+        else:
+            log(f"  ✗ {scanner_name} 崩溃(rc={r.returncode}): {out}")
+            log(f"  ✗ {scanner_name} stderr: {err}")
+            return False
+    except subprocess.TimeoutExpired as e:
+        # 超时：子进程可能孤儿化，尝试终止进程组
+        try:
+            if e.stdout or e.stderr:
+                pass
+        except Exception:
+            pass
+        log(f"  ⏱ {scanner_name} 超时(480s)跳过——检查孤儿进程")
         return False
     except Exception as e:
         log(f"  ✗ {scanner_name} 异常: {e}")