diff --git a/tools/LOG_README.md b/tools/LOG_README.md
index 67170ae..d16b765 100644
--- a/tools/LOG_README.md
+++ b/tools/LOG_README.md
@@ -52,3 +52,18 @@ python rtt_log_dump.py --out problem.log
 - `[TP]` — raw/cal 坐标、irq 状态
 - `[MSG] id=12` — 触摸消息是否发出
 - `[UI] mode_select miss` — UI 命中测试是否失败
+
+## 已验证（2026-08-31）
+
+烧录：`cspybat` + `C:\Temp\k1flash\YNGJ-GT1-M.out` 下载，J-Link reset/run 后约 4s 开机。
+
+日志导出示例（`python rtt_log_dump.py --out test.log`）：
+
+```
+[00185][I][BOOT] app_log init boot=1
+[00224][I][NVM ] init ok ver=2
+[00224][I][BOOT] main init done ui=Idle
+[00224][I][PWR ] auto power_on
+[00401][I][PWR ] periph ready send POWER_ON
+[00500][I][MSG ] id=0 hi=0 lo=0
+```
diff --git a/tools/flash_app.bat b/tools/flash_app.bat
index 79971eb..2262582 100644
--- a/tools/flash_app.bat
+++ b/tools/flash_app.bat
@@ -14,10 +14,13 @@ if not exist "%OUT%" (
   exit /b 1
 )
 
+REM Avoid stale debugger locking SWD (cspybat can hang otherwise)
+taskkill /F /IM cspybat.exe >nul 2>&1
+
 mkdir "%STAGE%" 2>nul
 copy /Y "%OUT%" "%STAGE%\YNGJ-GT1-M.out" >nul
 
-echo [1/3] Downloading...
+echo [1/3] Downloading (may take ~60s)...
 %CSPY% -f "%GEN%" "--debug_file=%STAGE%\YNGJ-GT1-M.out" --download_only --backend -f "%DRV%"
 if errorlevel 1 exit /b 1
 
@@ -25,7 +28,8 @@ echo [2/3] Reset and run...
 %JLINK% -CommandFile "%~dp0reset_run.jlink"
 if errorlevel 1 exit /b 1
 
-echo [3/3] Wait for auto PowerOn + logo (about 3s)...
-timeout /t 3 /nobreak >nul
+echo [3/3] Wait for auto PowerOn + logo (about 4s)...
+timeout /t 4 /nobreak >nul
 echo Done. UI should be on mode-select screen.
+echo Log dump: python rtt_log_dump.py --out problem.log
 exit /b 0