diff --git a/twain/twain/huagaods.cpp b/twain/twain/huagaods.cpp
index 700b418..9c77566 100644
--- a/twain/twain/huagaods.cpp
+++ b/twain/twain/huagaods.cpp
@@ -3924,10 +3924,11 @@ int huagao_ds::handle_scanner_event(int ev, bool from_event_proc)
 				load_sane_util::log_info(msg, 1);
 			}
 		}
-		//else
-		//{
+		else
+		{
 		//	notifyXferReady();	// scan from UI, should notify this state mannually - move to sole event SANE_EVENT_TWAIN_XFER_READY
-		//}
+			load_sane_util::log_info(L"Start scanning from UI callback SANE_EVENT_UI_SCAN_COMMAND.\r\n", 1);
+		}
 		break;
 	case SANE_EVENT_TWAIN_XFER_READY:
 		load_sane_util::log_info(L"notifyXferReady ...\r\n", 1);