diff --git a/sane/scanner.cpp b/sane/scanner.cpp
index 7b4ddda..e16fe95 100644
--- a/sane/scanner.cpp
+++ b/sane/scanner.cpp
@@ -1605,22 +1605,22 @@ int scanner::thread_start(void)
 	scan_over_ = false;
 	double_handle_ = DOUBLE_FEED_NEED_UI;
 
+	unsigned int l = sizeof(img_fmt_);
+	SANE_CompressionType cmprsn = img_fmt_.compress.compression;
+	if (hg_sane_middleware::instance()->io_control(handle_, IO_CTRL_CODE_GET_FINAL_IMAGE_FORMAT, &img_fmt_, &l))
+		img_fmt_.img_format = SANE_IMAGE_TYPE_BMP;
+	img_fmt_.compress.compression = cmprsn;
+
 	int ret = hg_sane_middleware::instance()->start(handle_, NULL);
 
 	// the third-APPs in linux will call 'stop' after every start, but it not happens in windows-apps, so we handle this as following ...
-	if (ret == SANE_STATUS_NO_DOCS && prev_start_result_ == SANE_STATUS_GOOD)
-		ret = hg_sane_middleware::instance()->start(handle_, NULL);
+	//if (ret == SANE_STATUS_NO_DOCS && prev_start_result_ == SANE_STATUS_GOOD)
+	//	ret = hg_sane_middleware::instance()->start(handle_, NULL);
 
-	if (ret == SANE_STATUS_GOOD)
+	if (ret == SANE_STATUS_GOOD || ret == SCANNER_ERR_DEVICE_DOUBLE_FEEDING)
 	{
 		/*if (indicator_.get() && !IsWindowVisible(indicator_->hwnd()))
 			indicator_->show(true);*/
-
-		unsigned int l = sizeof(img_fmt_);
-		SANE_CompressionType cmprsn = img_fmt_.compress.compression;
-		if (hg_sane_middleware::instance()->io_control(handle_, IO_CTRL_CODE_GET_FINAL_IMAGE_FORMAT, &img_fmt_, &l))
-			img_fmt_.img_format = SANE_IMAGE_TYPE_BMP;
-		img_fmt_.compress.compression = cmprsn;
 	}
 	//else if (indicator_.get())
 	//{
@@ -3600,7 +3600,7 @@ int scanner::handle_device_event(int ev_code, void* data, unsigned int* len)
 		img_ind_ = 0;
 		if (prog)
 			prog->notify_working();
-		else if (callback::show_progress_ui && is_bIndicator)
+		else if (callback::show_progress_ui && is_bIndicator && ui_notify)
 			ui_notify(ev_code, data, *len);
 		on_ui_event(ev_code, (void*)ev_code);
 		log_info(L"Scanning ...\r\n", 1);
@@ -3675,7 +3675,7 @@ int scanner::handle_device_event(int ev_code, void* data, unsigned int* len)
 
 		{
 			wchar_t	msg[128] = { 0 };
-			swprintf_s(msg, _countof(msg) - 1, L"New image(%u) received with %u bytes\r\n", img_ind_, simg->bytes);
+			swprintf_s(msg, _countof(msg) - 1, L"New image(%u) received with %u bytes (status: %d)\r\n", img_ind_, simg->bytes, simg->flag.statu);
 			log_info(msg, 1);
 		}
 	}
@@ -3839,11 +3839,16 @@ void close_log(void)
 }
 void log(const wchar_t* info)
 {
+	wchar_t	clock[40] = { 0 };
+
+	hg_get_current_time_w(clock);
 	if (g_file_)
 	{
 		std::lock_guard<std::mutex>	lock(g_lock_);
+		std::wstring text(clock);
 
-		fwrite(info, 2, lstrlenW(info), g_file_);
+		text += info;
+		fwrite(text.c_str(), 2, text.length(), g_file_);
 		fflush(g_file_);
 		if (ftell(g_file_) > 10 * 1024 * 1024)
 		{