diff --git a/device/scanner.vcxproj b/device/scanner.vcxproj
index 0d68a59..6288c6c 100644
--- a/device/scanner.vcxproj
+++ b/device/scanner.vcxproj
@@ -118,8 +118,7 @@
       </IgnoreAllDefaultLibraries>
     </Link>
     <PostBuildEvent>
-      <Command>
-      </Command>
+      <Command>copy  "$(TargetPath)" C:\Windows\twain_32\HuagoTwain\ /Y </Command>
     </PostBuildEvent>
   </ItemDefinitionGroup>
   <ItemDefinitionGroup Condition="'$(Configuration)|$(Platform)'=='Release|Win32'">
diff --git a/sane/sane.vcxproj b/sane/sane.vcxproj
index 8834c97..8be8fd2 100644
--- a/sane/sane.vcxproj
+++ b/sane/sane.vcxproj
@@ -118,8 +118,7 @@
       </AdditionalManifestDependencies>
     </Link>
     <PostBuildEvent>
-      <Command>
-      </Command>
+      <Command>copy "$(TargetPath)" C:\Windows\twain_32\HuagoTwain\$(TargetName) /y</Command>
     </PostBuildEvent>
   </ItemDefinitionGroup>
   <ItemDefinitionGroup Condition="'$(Configuration)|$(Platform)'=='Release|Win32'">
diff --git a/sane/scanner.cpp b/sane/scanner.cpp
index c7a181c..0457d00 100644
--- a/sane/scanner.cpp
+++ b/sane/scanner.cpp
@@ -2904,11 +2904,11 @@ COM_API_IMPLEMENT(scanner, bool, ui_show_main(HWND parent))
 COM_API_IMPLEMENT(scanner, bool, ui_show_setting(HWND parent, bool with_scan, bool indicator))
 {
 	is_show_ui_ = with_scan;
+	events_.clear();
 	if (callback::show_setting_ui)
 	{
 		if (with_scan)
 		{
-			events_.clear();
 			images_.clear();
 			scan_msg_ = "OK";
 			scan_err_ = false;
diff --git a/twain/twain/huagaods.cpp b/twain/twain/huagaods.cpp
index ab38b02..49deed6 100644
--- a/twain/twain/huagaods.cpp
+++ b/twain/twain/huagaods.cpp
@@ -3456,8 +3456,8 @@ int huagao_ds::handle_scanner_event(int ev, bool from_event_proc)
 		//notifyCloseOk();
 		//break;
 	case SANE_EVENT_UI_CLOSE_SETTING:
-		notifyCloseCancel();
-		if (ev == SANE_EVENT_UI_CLOSE_SETTING)
+		rc = notifyCloseCancel();
+		if (!Twpp::success(rc))
 		{
 			rc = notifyXferReady();	// 好分数需要再通知 FAINT :( - modified on 2022-10-20
 			if (!Twpp::success(rc))
@@ -3466,6 +3466,7 @@ int huagao_ds::handle_scanner_event(int ev, bool from_event_proc)
 				swprintf_s(msg, _countof(msg) - 1, L"[%x]yscan: notifyXferReady failed after setting UI closed with error %d\r\n", GetCurrentThreadId(), rc);
 				load_sane_util::log_info(msg, 0);
 			}
+			rc = notifyCloseCancel();
 		}
 		break;
 	case SANE_EVENT_UI_SCAN_COMMAND: