diff --git a/tools/k1_harness/suites/app_protocol.py b/tools/k1_harness/suites/app_protocol.py
index 397e46a..568d630 100644
--- a/tools/k1_harness/suites/app_protocol.py
+++ b/tools/k1_harness/suites/app_protocol.py
@@ -17,7 +17,7 @@ from ..paths import TOOLS_DIR
 ROW_RE = re.compile(r"^\[(PASS|FAIL|SKIP|SENT)\s*\]\s*(.+?)(?:\s*\|\s*(.*))?$")
 
 
-def _absorb_output(report, suite: str, text: str) -> None:
+def _absorb_output(report, suite: str, text: str, stderr: str = "") -> None:
     n = 0
     for line in text.splitlines():
         m = ROW_RE.match(line.strip())
@@ -25,7 +25,16 @@ def _absorb_output(report, suite: str, text: str) -> None:
             report.add(suite, m.group(2), m.group(1), m.group(3) or "")
             n += 1
     if n == 0:
-        tail = "\\n".join(text.splitlines()[-5:])
+        blob = (text or "") + "\n" + (stderr or "")
+        if "未找到设备" in blob or "扫描 BLE" in blob:
+            report.add(
+                suite,
+                "BLE 扫描连接",
+                "FAIL",
+                "未发现 Smart Guitar MIDI（确认已开机且蓝牙开；勿在软关机态跑 BLE）",
+            )
+            return
+        tail = "\\n".join((text or "").splitlines()[-5:])
         report.add(suite, "子进程输出解析", "FAIL", f"未找到结果行；tail: {tail}")
 
 
@@ -56,6 +65,6 @@ def run(report, ctx) -> None:
     if ctx.allow_poweroff:
         cmd.append("--allow-poweroff")
     proc = subprocess.run(cmd, capture_output=True, text=True, timeout=600)
-    _absorb_output(report, suite, proc.stdout)
+    _absorb_output(report, suite, proc.stdout, proc.stderr or "")
     if proc.returncode != 0 and not any(c.suite == suite and c.status == "FAIL" for c in report.cases):
         report.add(suite, "BLE 协议子进程", "FAIL", f"exit={proc.returncode} {proc.stderr[-300:]}")
diff --git a/tools/k1_harness/suites/ble_smoke.py b/tools/k1_harness/suites/ble_smoke.py
index c07370c..1b0473f 100644
--- a/tools/k1_harness/suites/ble_smoke.py
+++ b/tools/k1_harness/suites/ble_smoke.py
@@ -22,7 +22,7 @@ def run(report, ctx) -> None:
         report.add(suite, "BLE smoke", "FAIL", "timeout 180s（设备未广播/未配对？）")
         return
     before = len(report.cases)
-    _absorb_output(report, suite, proc.stdout)
+    _absorb_output(report, suite, proc.stdout, proc.stderr or "")
     new = report.cases[before:]
     if not any(c.status == "FAIL" for c in new) and proc.returncode != 0:
         report.add(suite, "BLE smoke 退出码", "FAIL", f"exit={proc.returncode} {proc.stderr[-300:]}")
diff --git a/tools/k1_harness/suites/ui_nav.py b/tools/k1_harness/suites/ui_nav.py
index c9e13c4..ec5a5c2 100644
--- a/tools/k1_harness/suites/ui_nav.py
+++ b/tools/k1_harness/suites/ui_nav.py
@@ -68,9 +68,11 @@ def run(report, ctx) -> None:
                 else:
                     report.add(SUITE, "TAP 后页面状态", "FAIL", "TAP 后 log status 无响应")
 
-        for cmd, ack, name in (("ui boot", "UI_BOOT_OK", "开机画面绘制"),
-                               ("ui charge", "UI_CHARGE_", "充电画面绘制")):
-            ok = sess.cmd_ack(cmd, ack, timeout_s=3.0, retries=3)
+        for cmd, ack, name, to in (
+            ("ui boot", "UI_BOOT_OK", "开机画面绘制", 5.0),
+            ("ui charge", "UI_CHARGE_", "充电画面绘制", 15.0),
+        ):
+            ok = sess.cmd_ack(cmd, ack, timeout_s=to, retries=3)
             report.add(SUITE, name, "PASS" if ok else "FAIL", "" if ok else f"无 {ack}*")
 
         if tap_ack:
diff --git a/tools/k1_harness/transports/rtt_session.py b/tools/k1_harness/transports/rtt_session.py
index a54ccc5..523b6ef 100644
--- a/tools/k1_harness/transports/rtt_session.py
+++ b/tools/k1_harness/transports/rtt_session.py
@@ -18,11 +18,22 @@ CheckResult = _rtt.CheckResult
 
 
 @contextmanager
-def open_session(device: str = "AT32F403AC"):
-    """连接 J-Link + 启动 RTT，yield RttSession；退出时清理."""
+def open_session(device: str = "AT32F403AC", *, reset: bool = True):
+    """连接 J-Link + 启动 RTT，yield RttSession；退出时清理.
+
+    reset=True：先硬件复位并等待开机，避免前序 LCD/烧写把主循环卡死导致无 ACK。
+    """
+    import time
+
     _rtt.import_deps()
     jlink = connect_jlink(device)
     try:
+        if reset:
+            try:
+                jlink.reset(halt=False)
+            except Exception:
+                pass
+            time.sleep(5.0)
         cb = find_rtt_control_block(jlink)
         if cb is None:
             raise SystemExit("SEGGER RTT control block 未找到（固件未运行？）")
diff --git a/tools/test_protocol_ble.py b/tools/test_protocol_ble.py
index b9cf9c5..789c71e 100644
--- a/tools/test_protocol_ble.py
+++ b/tools/test_protocol_ble.py
@@ -424,12 +424,19 @@ def main():
         sys.exit("缺少 bleak: pip install bleak")
 
     print(f"选项: unpair={args.unpair} transport={args.transport}")
-    sim = BleMidiSim(
-        name=args.ble_name,
-        address=args.ble_address,
-        transport=args.transport,
-        unpair=args.unpair,
-    )
+    try:
+        sim = BleMidiSim(
+            name=args.ble_name,
+            address=args.ble_address,
+            transport=args.transport,
+            unpair=args.unpair,
+        )
+    except Exception as exc:
+        R = Results()
+        R.add("BLE 扫描连接", "FAIL", str(exc))
+        R.summary()
+        print(f"[FAIL] BLE 扫描连接 | {exc}")
+        sys.exit(1)
     print(
         f"=== BLE 测试: {sim.info.get('name')} ({sim.info.get('address')}) "
         f"transport={sim.info.get('transport')} payload={sim.info.get('max_payload')} ==="