diff --git a/sane/scanner.cpp b/sane/scanner.cpp
index 6860cd9..b3c2fc3 100644
--- a/sane/scanner.cpp
+++ b/sane/scanner.cpp
@@ -807,8 +807,27 @@ void scanner::scan_done(void)
 {
 	std::string msg(scan_msg_);
 
-	while (images_.count())
-		std::this_thread::sleep_for(std::chrono::milliseconds(5));
+	if (err_ != SCANNER_ERR_USER_CANCELED)
+	{
+		int cnt = images_.count(), elapse = 0,
+			unit = 5, total = 1000;
+
+		while (cnt)
+		{
+			std::this_thread::sleep_for(std::chrono::milliseconds(unit));
+			elapse++;
+			if (cnt == images_.count())
+			{
+				if (elapse >= total / unit)
+					break;
+			}
+			else
+			{
+				elapse = 0;
+			}
+			cnt = images_.count();
+		}
+	}
 
 	if (indicator_)
 		indicator_->notify_scan_over(&msg[0], err_ != SCANNER_ERR_OK);
diff --git a/twain/twain/huagaods.cpp b/twain/twain/huagaods.cpp
index 579b502..277118f 100644
--- a/twain/twain/huagaods.cpp
+++ b/twain/twain/huagaods.cpp
@@ -1699,7 +1699,7 @@ Result huagao_ds::call(const Identity& origin, DataGroup dg, Dat dat, Msg msg, v
 		//trigger_ProcessEvent(dg, dat, msg);	// some APPs may be not trigger (Control, Event, ProcessEvent), we help them :( ...	 	// 浜戦槄鍗锋壂鎻忕涓嶇瓑鐘舵€佹敼鍙橈紝鐩存帴鍙栧浘锛屾澶勮缃竴娆＄姸鎬?2022-11-07
 
 		rt = Base::call(origin, dg, dat, msg, data);
-		if (log_all_triple_ || ((int)rt.returnCode() && rt.returnCode() != ReturnCode::NotDsEvent))
+		if (log_all_triple_ || ((int)rt.returnCode() && rt.returnCode() != ReturnCode::NotDsEvent && msg != Msg::ProcessEvent))
 		{
 			wchar_t	dgs[20] = { 0 }, dts[20] = { 0 }, ms[20] = { 0 }, ss[20] = { 0 }, rcs[20] = { 0 }, cs[20] = { 0 };
 			if (dat == Dat::Capability)